diff options
Diffstat (limited to 'chromium/third_party/sqlite/sqlite-src-3240000/src/shell.c.in')
| -rw-r--r-- | chromium/third_party/sqlite/sqlite-src-3240000/src/shell.c.in | 8787 |
1 files changed, 0 insertions, 8787 deletions
diff --git a/chromium/third_party/sqlite/sqlite-src-3240000/src/shell.c.in b/chromium/third_party/sqlite/sqlite-src-3240000/src/shell.c.in deleted file mode 100644 index b9d7cecbc70..00000000000 --- a/chromium/third_party/sqlite/sqlite-src-3240000/src/shell.c.in +++ /dev/null @@ -1,8787 +0,0 @@ -/* -** 2001 September 15 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -************************************************************************* -** This file contains code to implement the "sqlite" command line -** utility for accessing SQLite databases. -*/ -#if (defined(_WIN32) || defined(WIN32)) && !defined(_CRT_SECURE_NO_WARNINGS) -/* This needs to come before any includes for MSVC compiler */ -#define _CRT_SECURE_NO_WARNINGS -#endif - -/* -** Warning pragmas copied from msvc.h in the core. -*/ -#if defined(_MSC_VER) -#pragma warning(disable : 4054) -#pragma warning(disable : 4055) -#pragma warning(disable : 4100) -#pragma warning(disable : 4127) -#pragma warning(disable : 4130) -#pragma warning(disable : 4152) -#pragma warning(disable : 4189) -#pragma warning(disable : 4206) -#pragma warning(disable : 4210) -#pragma warning(disable : 4232) -#pragma warning(disable : 4244) -#pragma warning(disable : 4305) -#pragma warning(disable : 4306) -#pragma warning(disable : 4702) -#pragma warning(disable : 4706) -#endif /* defined(_MSC_VER) */ - -/* -** No support for loadable extensions in VxWorks. -*/ -#if (defined(__RTP__) || defined(_WRS_KERNEL)) && !SQLITE_OMIT_LOAD_EXTENSION -# define SQLITE_OMIT_LOAD_EXTENSION 1 -#endif - -/* -** Enable large-file support for fopen() and friends on unix. -*/ -#ifndef SQLITE_DISABLE_LFS -# define _LARGE_FILE 1 -# ifndef _FILE_OFFSET_BITS -# define _FILE_OFFSET_BITS 64 -# endif -# define _LARGEFILE_SOURCE 1 -#endif - -#include <stdlib.h> -#include <string.h> -#include <stdio.h> -#include <assert.h> -#include "sqlite3.h" -typedef sqlite3_int64 i64; -typedef sqlite3_uint64 u64; -typedef unsigned char u8; -#if SQLITE_USER_AUTHENTICATION -# include "sqlite3userauth.h" -#endif -#include <ctype.h> -#include <stdarg.h> - -#if !defined(_WIN32) && !defined(WIN32) -# include <signal.h> -# if !defined(__RTP__) && !defined(_WRS_KERNEL) -# include <pwd.h> -# endif -#endif -#if (!defined(_WIN32) && !defined(WIN32)) || defined(__MINGW32__) -# include <unistd.h> -# include <dirent.h> -# if defined(__MINGW32__) -# define DIRENT dirent -# ifndef S_ISLNK -# define S_ISLNK(mode) (0) -# endif -# endif -#endif -#include <sys/types.h> -#include <sys/stat.h> - -#if HAVE_READLINE -# include <readline/readline.h> -# include <readline/history.h> -#endif - -#if HAVE_EDITLINE -# include <editline/readline.h> -#endif - -#if HAVE_EDITLINE || HAVE_READLINE - -# define shell_add_history(X) add_history(X) -# define shell_read_history(X) read_history(X) -# define shell_write_history(X) write_history(X) -# define shell_stifle_history(X) stifle_history(X) -# define shell_readline(X) readline(X) - -#elif HAVE_LINENOISE - -# include "linenoise.h" -# define shell_add_history(X) linenoiseHistoryAdd(X) -# define shell_read_history(X) linenoiseHistoryLoad(X) -# define shell_write_history(X) linenoiseHistorySave(X) -# define shell_stifle_history(X) linenoiseHistorySetMaxLen(X) -# define shell_readline(X) linenoise(X) - -#else - -# define shell_read_history(X) -# define shell_write_history(X) -# define shell_stifle_history(X) - -# define SHELL_USE_LOCAL_GETLINE 1 -#endif - - -#if defined(_WIN32) || defined(WIN32) -# include <io.h> -# include <fcntl.h> -# define isatty(h) _isatty(h) -# ifndef access -# define access(f,m) _access((f),(m)) -# endif -# ifndef unlink -# define unlink _unlink -# endif -# undef popen -# define popen _popen -# undef pclose -# define pclose _pclose -#else - /* Make sure isatty() has a prototype. */ - extern int isatty(int); - -# if !defined(__RTP__) && !defined(_WRS_KERNEL) - /* popen and pclose are not C89 functions and so are - ** sometimes omitted from the <stdio.h> header */ - extern FILE *popen(const char*,const char*); - extern int pclose(FILE*); -# else -# define SQLITE_OMIT_POPEN 1 -# endif -#endif - -#if defined(_WIN32_WCE) -/* Windows CE (arm-wince-mingw32ce-gcc) does not provide isatty() - * thus we always assume that we have a console. That can be - * overridden with the -batch command line option. - */ -#define isatty(x) 1 -#endif - -/* ctype macros that work with signed characters */ -#define IsSpace(X) isspace((unsigned char)X) -#define IsDigit(X) isdigit((unsigned char)X) -#define ToLower(X) (char)tolower((unsigned char)X) - -#if defined(_WIN32) || defined(WIN32) -#include <windows.h> - -/* string conversion routines only needed on Win32 */ -extern char *sqlite3_win32_unicode_to_utf8(LPCWSTR); -extern char *sqlite3_win32_mbcs_to_utf8_v2(const char *, int); -extern char *sqlite3_win32_utf8_to_mbcs_v2(const char *, int); -extern LPWSTR sqlite3_win32_utf8_to_unicode(const char *zText); -#endif - -/* On Windows, we normally run with output mode of TEXT so that \n characters -** are automatically translated into \r\n. However, this behavior needs -** to be disabled in some cases (ex: when generating CSV output and when -** rendering quoted strings that contain \n characters). The following -** routines take care of that. -*/ -#if defined(_WIN32) || defined(WIN32) -static void setBinaryMode(FILE *file, int isOutput){ - if( isOutput ) fflush(file); - _setmode(_fileno(file), _O_BINARY); -} -static void setTextMode(FILE *file, int isOutput){ - if( isOutput ) fflush(file); - _setmode(_fileno(file), _O_TEXT); -} -#else -# define setBinaryMode(X,Y) -# define setTextMode(X,Y) -#endif - - -/* True if the timer is enabled */ -static int enableTimer = 0; - -/* Return the current wall-clock time */ -static sqlite3_int64 timeOfDay(void){ - static sqlite3_vfs *clockVfs = 0; - sqlite3_int64 t; - if( clockVfs==0 ) clockVfs = sqlite3_vfs_find(0); - if( clockVfs->iVersion>=2 && clockVfs->xCurrentTimeInt64!=0 ){ - clockVfs->xCurrentTimeInt64(clockVfs, &t); - }else{ - double r; - clockVfs->xCurrentTime(clockVfs, &r); - t = (sqlite3_int64)(r*86400000.0); - } - return t; -} - -#if !defined(_WIN32) && !defined(WIN32) && !defined(__minux) -#include <sys/time.h> -#include <sys/resource.h> - -/* VxWorks does not support getrusage() as far as we can determine */ -#if defined(_WRS_KERNEL) || defined(__RTP__) -struct rusage { - struct timeval ru_utime; /* user CPU time used */ - struct timeval ru_stime; /* system CPU time used */ -}; -#define getrusage(A,B) memset(B,0,sizeof(*B)) -#endif - -/* Saved resource information for the beginning of an operation */ -static struct rusage sBegin; /* CPU time at start */ -static sqlite3_int64 iBegin; /* Wall-clock time at start */ - -/* -** Begin timing an operation -*/ -static void beginTimer(void){ - if( enableTimer ){ - getrusage(RUSAGE_SELF, &sBegin); - iBegin = timeOfDay(); - } -} - -/* Return the difference of two time_structs in seconds */ -static double timeDiff(struct timeval *pStart, struct timeval *pEnd){ - return (pEnd->tv_usec - pStart->tv_usec)*0.000001 + - (double)(pEnd->tv_sec - pStart->tv_sec); -} - -/* -** Print the timing results. -*/ -static void endTimer(void){ - if( enableTimer ){ - sqlite3_int64 iEnd = timeOfDay(); - struct rusage sEnd; - getrusage(RUSAGE_SELF, &sEnd); - printf("Run Time: real %.3f user %f sys %f\n", - (iEnd - iBegin)*0.001, - timeDiff(&sBegin.ru_utime, &sEnd.ru_utime), - timeDiff(&sBegin.ru_stime, &sEnd.ru_stime)); - } -} - -#define BEGIN_TIMER beginTimer() -#define END_TIMER endTimer() -#define HAS_TIMER 1 - -#elif (defined(_WIN32) || defined(WIN32)) - -/* Saved resource information for the beginning of an operation */ -static HANDLE hProcess; -static FILETIME ftKernelBegin; -static FILETIME ftUserBegin; -static sqlite3_int64 ftWallBegin; -typedef BOOL (WINAPI *GETPROCTIMES)(HANDLE, LPFILETIME, LPFILETIME, - LPFILETIME, LPFILETIME); -static GETPROCTIMES getProcessTimesAddr = NULL; - -/* -** Check to see if we have timer support. Return 1 if necessary -** support found (or found previously). -*/ -static int hasTimer(void){ - if( getProcessTimesAddr ){ - return 1; - } else { - /* GetProcessTimes() isn't supported in WIN95 and some other Windows - ** versions. See if the version we are running on has it, and if it - ** does, save off a pointer to it and the current process handle. - */ - hProcess = GetCurrentProcess(); - if( hProcess ){ - HINSTANCE hinstLib = LoadLibrary(TEXT("Kernel32.dll")); - if( NULL != hinstLib ){ - getProcessTimesAddr = - (GETPROCTIMES) GetProcAddress(hinstLib, "GetProcessTimes"); - if( NULL != getProcessTimesAddr ){ - return 1; - } - FreeLibrary(hinstLib); - } - } - } - return 0; -} - -/* -** Begin timing an operation -*/ -static void beginTimer(void){ - if( enableTimer && getProcessTimesAddr ){ - FILETIME ftCreation, ftExit; - getProcessTimesAddr(hProcess,&ftCreation,&ftExit, - &ftKernelBegin,&ftUserBegin); - ftWallBegin = timeOfDay(); - } -} - -/* Return the difference of two FILETIME structs in seconds */ -static double timeDiff(FILETIME *pStart, FILETIME *pEnd){ - sqlite_int64 i64Start = *((sqlite_int64 *) pStart); - sqlite_int64 i64End = *((sqlite_int64 *) pEnd); - return (double) ((i64End - i64Start) / 10000000.0); -} - -/* -** Print the timing results. -*/ -static void endTimer(void){ - if( enableTimer && getProcessTimesAddr){ - FILETIME ftCreation, ftExit, ftKernelEnd, ftUserEnd; - sqlite3_int64 ftWallEnd = timeOfDay(); - getProcessTimesAddr(hProcess,&ftCreation,&ftExit,&ftKernelEnd,&ftUserEnd); - printf("Run Time: real %.3f user %f sys %f\n", - (ftWallEnd - ftWallBegin)*0.001, - timeDiff(&ftUserBegin, &ftUserEnd), - timeDiff(&ftKernelBegin, &ftKernelEnd)); - } -} - -#define BEGIN_TIMER beginTimer() -#define END_TIMER endTimer() -#define HAS_TIMER hasTimer() - -#else -#define BEGIN_TIMER -#define END_TIMER -#define HAS_TIMER 0 -#endif - -/* -** Used to prevent warnings about unused parameters -*/ -#define UNUSED_PARAMETER(x) (void)(x) - -/* -** Number of elements in an array -*/ -#define ArraySize(X) (int)(sizeof(X)/sizeof(X[0])) - -/* -** If the following flag is set, then command execution stops -** at an error if we are not interactive. -*/ -static int bail_on_error = 0; - -/* -** Threat stdin as an interactive input if the following variable -** is true. Otherwise, assume stdin is connected to a file or pipe. -*/ -static int stdin_is_interactive = 1; - -/* -** On Windows systems we have to know if standard output is a console -** in order to translate UTF-8 into MBCS. The following variable is -** true if translation is required. -*/ -static int stdout_is_console = 1; - -/* -** The following is the open SQLite database. We make a pointer -** to this database a static variable so that it can be accessed -** by the SIGINT handler to interrupt database processing. -*/ -static sqlite3 *globalDb = 0; - -/* -** True if an interrupt (Control-C) has been received. -*/ -static volatile int seenInterrupt = 0; - -/* -** This is the name of our program. It is set in main(), used -** in a number of other places, mostly for error messages. -*/ -static char *Argv0; - -/* -** Prompt strings. Initialized in main. Settable with -** .prompt main continue -*/ -static char mainPrompt[20]; /* First line prompt. default: "sqlite> "*/ -static char continuePrompt[20]; /* Continuation prompt. default: " ...> " */ - -/* -** Render output like fprintf(). Except, if the output is going to the -** console and if this is running on a Windows machine, translate the -** output from UTF-8 into MBCS. -*/ -#if defined(_WIN32) || defined(WIN32) -void utf8_printf(FILE *out, const char *zFormat, ...){ - va_list ap; - va_start(ap, zFormat); - if( stdout_is_console && (out==stdout || out==stderr) ){ - char *z1 = sqlite3_vmprintf(zFormat, ap); - char *z2 = sqlite3_win32_utf8_to_mbcs_v2(z1, 0); - sqlite3_free(z1); - fputs(z2, out); - sqlite3_free(z2); - }else{ - vfprintf(out, zFormat, ap); - } - va_end(ap); -} -#elif !defined(utf8_printf) -# define utf8_printf fprintf -#endif - -/* -** Render output like fprintf(). This should not be used on anything that -** includes string formatting (e.g. "%s"). -*/ -#if !defined(raw_printf) -# define raw_printf fprintf -#endif - -/* Indicate out-of-memory and exit. */ -static void shell_out_of_memory(void){ - raw_printf(stderr,"Error: out of memory\n"); - exit(1); -} - -/* -** Write I/O traces to the following stream. -*/ -#ifdef SQLITE_ENABLE_IOTRACE -static FILE *iotrace = 0; -#endif - -/* -** This routine works like printf in that its first argument is a -** format string and subsequent arguments are values to be substituted -** in place of % fields. The result of formatting this string -** is written to iotrace. -*/ -#ifdef SQLITE_ENABLE_IOTRACE -static void SQLITE_CDECL iotracePrintf(const char *zFormat, ...){ - va_list ap; - char *z; - if( iotrace==0 ) return; - va_start(ap, zFormat); - z = sqlite3_vmprintf(zFormat, ap); - va_end(ap); - utf8_printf(iotrace, "%s", z); - sqlite3_free(z); -} -#endif - -/* -** Output string zUtf to stream pOut as w characters. If w is negative, -** then right-justify the text. W is the width in UTF-8 characters, not -** in bytes. This is different from the %*.*s specification in printf -** since with %*.*s the width is measured in bytes, not characters. -*/ -static void utf8_width_print(FILE *pOut, int w, const char *zUtf){ - int i; - int n; - int aw = w<0 ? -w : w; - char zBuf[1000]; - if( aw>(int)sizeof(zBuf)/3 ) aw = (int)sizeof(zBuf)/3; - for(i=n=0; zUtf[i]; i++){ - if( (zUtf[i]&0xc0)!=0x80 ){ - n++; - if( n==aw ){ - do{ i++; }while( (zUtf[i]&0xc0)==0x80 ); - break; - } - } - } - if( n>=aw ){ - utf8_printf(pOut, "%.*s", i, zUtf); - }else if( w<0 ){ - utf8_printf(pOut, "%*s%s", aw-n, "", zUtf); - }else{ - utf8_printf(pOut, "%s%*s", zUtf, aw-n, ""); - } -} - - -/* -** Determines if a string is a number of not. -*/ -static int isNumber(const char *z, int *realnum){ - if( *z=='-' || *z=='+' ) z++; - if( !IsDigit(*z) ){ - return 0; - } - z++; - if( realnum ) *realnum = 0; - while( IsDigit(*z) ){ z++; } - if( *z=='.' ){ - z++; - if( !IsDigit(*z) ) return 0; - while( IsDigit(*z) ){ z++; } - if( realnum ) *realnum = 1; - } - if( *z=='e' || *z=='E' ){ - z++; - if( *z=='+' || *z=='-' ) z++; - if( !IsDigit(*z) ) return 0; - while( IsDigit(*z) ){ z++; } - if( realnum ) *realnum = 1; - } - return *z==0; -} - -/* -** Compute a string length that is limited to what can be stored in -** lower 30 bits of a 32-bit signed integer. -*/ -static int strlen30(const char *z){ - const char *z2 = z; - while( *z2 ){ z2++; } - return 0x3fffffff & (int)(z2 - z); -} - -/* -** Return the length of a string in characters. Multibyte UTF8 characters -** count as a single character. -*/ -static int strlenChar(const char *z){ - int n = 0; - while( *z ){ - if( (0xc0&*(z++))!=0x80 ) n++; - } - return n; -} - -/* -** This routine reads a line of text from FILE in, stores -** the text in memory obtained from malloc() and returns a pointer -** to the text. NULL is returned at end of file, or if malloc() -** fails. -** -** If zLine is not NULL then it is a malloced buffer returned from -** a previous call to this routine that may be reused. -*/ -static char *local_getline(char *zLine, FILE *in){ - int nLine = zLine==0 ? 0 : 100; - int n = 0; - - while( 1 ){ - if( n+100>nLine ){ - nLine = nLine*2 + 100; - zLine = realloc(zLine, nLine); - if( zLine==0 ) return 0; - } - if( fgets(&zLine[n], nLine - n, in)==0 ){ - if( n==0 ){ - free(zLine); - return 0; - } - zLine[n] = 0; - break; - } - while( zLine[n] ) n++; - if( n>0 && zLine[n-1]=='\n' ){ - n--; - if( n>0 && zLine[n-1]=='\r' ) n--; - zLine[n] = 0; - break; - } - } -#if defined(_WIN32) || defined(WIN32) - /* For interactive input on Windows systems, translate the - ** multi-byte characterset characters into UTF-8. */ - if( stdin_is_interactive && in==stdin ){ - char *zTrans = sqlite3_win32_mbcs_to_utf8_v2(zLine, 0); - if( zTrans ){ - int nTrans = strlen30(zTrans)+1; - if( nTrans>nLine ){ - zLine = realloc(zLine, nTrans); - if( zLine==0 ){ - sqlite3_free(zTrans); - return 0; - } - } - memcpy(zLine, zTrans, nTrans); - sqlite3_free(zTrans); - } - } -#endif /* defined(_WIN32) || defined(WIN32) */ - return zLine; -} - -/* -** Retrieve a single line of input text. -** -** If in==0 then read from standard input and prompt before each line. -** If isContinuation is true, then a continuation prompt is appropriate. -** If isContinuation is zero, then the main prompt should be used. -** -** If zPrior is not NULL then it is a buffer from a prior call to this -** routine that can be reused. -** -** The result is stored in space obtained from malloc() and must either -** be freed by the caller or else passed back into this routine via the -** zPrior argument for reuse. -*/ -static char *one_input_line(FILE *in, char *zPrior, int isContinuation){ - char *zPrompt; - char *zResult; - if( in!=0 ){ - zResult = local_getline(zPrior, in); - }else{ - zPrompt = isContinuation ? continuePrompt : mainPrompt; -#if SHELL_USE_LOCAL_GETLINE - printf("%s", zPrompt); - fflush(stdout); - zResult = local_getline(zPrior, stdin); -#else - free(zPrior); - zResult = shell_readline(zPrompt); - if( zResult && *zResult ) shell_add_history(zResult); -#endif - } - return zResult; -} - - -/* -** Return the value of a hexadecimal digit. Return -1 if the input -** is not a hex digit. -*/ -static int hexDigitValue(char c){ - if( c>='0' && c<='9' ) return c - '0'; - if( c>='a' && c<='f' ) return c - 'a' + 10; - if( c>='A' && c<='F' ) return c - 'A' + 10; - return -1; -} - -/* -** Interpret zArg as an integer value, possibly with suffixes. -*/ -static sqlite3_int64 integerValue(const char *zArg){ - sqlite3_int64 v = 0; - static const struct { char *zSuffix; int iMult; } aMult[] = { - { "KiB", 1024 }, - { "MiB", 1024*1024 }, - { "GiB", 1024*1024*1024 }, - { "KB", 1000 }, - { "MB", 1000000 }, - { "GB", 1000000000 }, - { "K", 1000 }, - { "M", 1000000 }, - { "G", 1000000000 }, - }; - int i; - int isNeg = 0; - if( zArg[0]=='-' ){ - isNeg = 1; - zArg++; - }else if( zArg[0]=='+' ){ - zArg++; - } - if( zArg[0]=='0' && zArg[1]=='x' ){ - int x; - zArg += 2; - while( (x = hexDigitValue(zArg[0]))>=0 ){ - v = (v<<4) + x; - zArg++; - } - }else{ - while( IsDigit(zArg[0]) ){ - v = v*10 + zArg[0] - '0'; - zArg++; - } - } - for(i=0; i<ArraySize(aMult); i++){ - if( sqlite3_stricmp(aMult[i].zSuffix, zArg)==0 ){ - v *= aMult[i].iMult; - break; - } - } - return isNeg? -v : v; -} - -/* -** A variable length string to which one can append text. -*/ -typedef struct ShellText ShellText; -struct ShellText { - char *z; - int n; - int nAlloc; -}; - -/* -** Initialize and destroy a ShellText object -*/ -static void initText(ShellText *p){ - memset(p, 0, sizeof(*p)); -} -static void freeText(ShellText *p){ - free(p->z); - initText(p); -} - -/* zIn is either a pointer to a NULL-terminated string in memory obtained -** from malloc(), or a NULL pointer. The string pointed to by zAppend is -** added to zIn, and the result returned in memory obtained from malloc(). -** zIn, if it was not NULL, is freed. -** -** If the third argument, quote, is not '\0', then it is used as a -** quote character for zAppend. -*/ -static void appendText(ShellText *p, char const *zAppend, char quote){ - int len; - int i; - int nAppend = strlen30(zAppend); - - len = nAppend+p->n+1; - if( quote ){ - len += 2; - for(i=0; i<nAppend; i++){ - if( zAppend[i]==quote ) len++; - } - } - - if( p->n+len>=p->nAlloc ){ - p->nAlloc = p->nAlloc*2 + len + 20; - p->z = realloc(p->z, p->nAlloc); - if( p->z==0 ){ - memset(p, 0, sizeof(*p)); - return; - } - } - - if( quote ){ - char *zCsr = p->z+p->n; - *zCsr++ = quote; - for(i=0; i<nAppend; i++){ - *zCsr++ = zAppend[i]; - if( zAppend[i]==quote ) *zCsr++ = quote; - } - *zCsr++ = quote; - p->n = (int)(zCsr - p->z); - *zCsr = '\0'; - }else{ - memcpy(p->z+p->n, zAppend, nAppend); - p->n += nAppend; - p->z[p->n] = '\0'; - } -} - -/* -** Attempt to determine if identifier zName needs to be quoted, either -** because it contains non-alphanumeric characters, or because it is an -** SQLite keyword. Be conservative in this estimate: When in doubt assume -** that quoting is required. -** -** Return '"' if quoting is required. Return 0 if no quoting is required. -*/ -static char quoteChar(const char *zName){ - int i; - if( !isalpha((unsigned char)zName[0]) && zName[0]!='_' ) return '"'; - for(i=0; zName[i]; i++){ - if( !isalnum((unsigned char)zName[i]) && zName[i]!='_' ) return '"'; - } - return sqlite3_keyword_check(zName, i) ? '"' : 0; -} - -/* -** Construct a fake object name and column list to describe the structure -** of the view, virtual table, or table valued function zSchema.zName. -*/ -static char *shellFakeSchema( - sqlite3 *db, /* The database connection containing the vtab */ - const char *zSchema, /* Schema of the database holding the vtab */ - const char *zName /* The name of the virtual table */ -){ - sqlite3_stmt *pStmt = 0; - char *zSql; - ShellText s; - char cQuote; - char *zDiv = "("; - int nRow = 0; - - zSql = sqlite3_mprintf("PRAGMA \"%w\".table_info=%Q;", - zSchema ? zSchema : "main", zName); - sqlite3_prepare_v2(db, zSql, -1, &pStmt, 0); - sqlite3_free(zSql); - initText(&s); - if( zSchema ){ - cQuote = quoteChar(zSchema); - if( cQuote && sqlite3_stricmp(zSchema,"temp")==0 ) cQuote = 0; - appendText(&s, zSchema, cQuote); - appendText(&s, ".", 0); - } - cQuote = quoteChar(zName); - appendText(&s, zName, cQuote); - while( sqlite3_step(pStmt)==SQLITE_ROW ){ - const char *zCol = (const char*)sqlite3_column_text(pStmt, 1); - nRow++; - appendText(&s, zDiv, 0); - zDiv = ","; - cQuote = quoteChar(zCol); - appendText(&s, zCol, cQuote); - } - appendText(&s, ")", 0); - sqlite3_finalize(pStmt); - if( nRow==0 ){ - freeText(&s); - s.z = 0; - } - return s.z; -} - -/* -** SQL function: shell_module_schema(X) -** -** Return a fake schema for the table-valued function or eponymous virtual -** table X. -*/ -static void shellModuleSchema( - sqlite3_context *pCtx, - int nVal, - sqlite3_value **apVal -){ - const char *zName = (const char*)sqlite3_value_text(apVal[0]); - char *zFake = shellFakeSchema(sqlite3_context_db_handle(pCtx), 0, zName); - UNUSED_PARAMETER(nVal); - if( zFake ){ - sqlite3_result_text(pCtx, sqlite3_mprintf("/* %s */", zFake), - -1, sqlite3_free); - free(zFake); - } -} - -/* -** SQL function: shell_add_schema(S,X) -** -** Add the schema name X to the CREATE statement in S and return the result. -** Examples: -** -** CREATE TABLE t1(x) -> CREATE TABLE xyz.t1(x); -** -** Also works on -** -** CREATE INDEX -** CREATE UNIQUE INDEX -** CREATE VIEW -** CREATE TRIGGER -** CREATE VIRTUAL TABLE -** -** This UDF is used by the .schema command to insert the schema name of -** attached databases into the middle of the sqlite_master.sql field. -*/ -static void shellAddSchemaName( - sqlite3_context *pCtx, - int nVal, - sqlite3_value **apVal -){ - static const char *aPrefix[] = { - "TABLE", - "INDEX", - "UNIQUE INDEX", - "VIEW", - "TRIGGER", - "VIRTUAL TABLE" - }; - int i = 0; - const char *zIn = (const char*)sqlite3_value_text(apVal[0]); - const char *zSchema = (const char*)sqlite3_value_text(apVal[1]); - const char *zName = (const char*)sqlite3_value_text(apVal[2]); - sqlite3 *db = sqlite3_context_db_handle(pCtx); - UNUSED_PARAMETER(nVal); - if( zIn!=0 && strncmp(zIn, "CREATE ", 7)==0 ){ - for(i=0; i<(int)(sizeof(aPrefix)/sizeof(aPrefix[0])); i++){ - int n = strlen30(aPrefix[i]); - if( strncmp(zIn+7, aPrefix[i], n)==0 && zIn[n+7]==' ' ){ - char *z = 0; - char *zFake = 0; - if( zSchema ){ - char cQuote = quoteChar(zSchema); - if( cQuote && sqlite3_stricmp(zSchema,"temp")!=0 ){ - z = sqlite3_mprintf("%.*s \"%w\".%s", n+7, zIn, zSchema, zIn+n+8); - }else{ - z = sqlite3_mprintf("%.*s %s.%s", n+7, zIn, zSchema, zIn+n+8); - } - } - if( zName - && aPrefix[i][0]=='V' - && (zFake = shellFakeSchema(db, zSchema, zName))!=0 - ){ - if( z==0 ){ - z = sqlite3_mprintf("%s\n/* %s */", zIn, zFake); - }else{ - z = sqlite3_mprintf("%z\n/* %s */", z, zFake); - } - free(zFake); - } - if( z ){ - sqlite3_result_text(pCtx, z, -1, sqlite3_free); - return; - } - } - } - } - sqlite3_result_value(pCtx, apVal[0]); -} - -/* -** The source code for several run-time loadable extensions is inserted -** below by the ../tool/mkshellc.tcl script. Before processing that included -** code, we need to override some macros to make the included program code -** work here in the middle of this regular program. -*/ -#define SQLITE_EXTENSION_INIT1 -#define SQLITE_EXTENSION_INIT2(X) (void)(X) - -#if defined(_WIN32) && defined(_MSC_VER) -INCLUDE test_windirent.h -INCLUDE test_windirent.c -#define dirent DIRENT -#endif -INCLUDE ../ext/misc/shathree.c -INCLUDE ../ext/misc/fileio.c -INCLUDE ../ext/misc/completion.c -INCLUDE ../ext/misc/appendvfs.c -#ifdef SQLITE_HAVE_ZLIB -INCLUDE ../ext/misc/zipfile.c -INCLUDE ../ext/misc/sqlar.c -#endif -INCLUDE ../ext/expert/sqlite3expert.h -INCLUDE ../ext/expert/sqlite3expert.c - -#if defined(SQLITE_ENABLE_SESSION) -/* -** State information for a single open session -*/ -typedef struct OpenSession OpenSession; -struct OpenSession { - char *zName; /* Symbolic name for this session */ - int nFilter; /* Number of xFilter rejection GLOB patterns */ - char **azFilter; /* Array of xFilter rejection GLOB patterns */ - sqlite3_session *p; /* The open session */ -}; -#endif - -/* -** Shell output mode information from before ".explain on", -** saved so that it can be restored by ".explain off" -*/ -typedef struct SavedModeInfo SavedModeInfo; -struct SavedModeInfo { - int valid; /* Is there legit data in here? */ - int mode; /* Mode prior to ".explain on" */ - int showHeader; /* The ".header" setting prior to ".explain on" */ - int colWidth[100]; /* Column widths prior to ".explain on" */ -}; - -typedef struct ExpertInfo ExpertInfo; -struct ExpertInfo { - sqlite3expert *pExpert; - int bVerbose; -}; - -/* A single line in the EQP output */ -typedef struct EQPGraphRow EQPGraphRow; -struct EQPGraphRow { - int iEqpId; /* ID for this row */ - int iParentId; /* ID of the parent row */ - EQPGraphRow *pNext; /* Next row in sequence */ - char zText[1]; /* Text to display for this row */ -}; - -/* All EQP output is collected into an instance of the following */ -typedef struct EQPGraph EQPGraph; -struct EQPGraph { - EQPGraphRow *pRow; /* Linked list of all rows of the EQP output */ - EQPGraphRow *pLast; /* Last element of the pRow list */ - char zPrefix[100]; /* Graph prefix */ -}; - -/* -** State information about the database connection is contained in an -** instance of the following structure. -*/ -typedef struct ShellState ShellState; -struct ShellState { - sqlite3 *db; /* The database */ - u8 autoExplain; /* Automatically turn on .explain mode */ - u8 autoEQP; /* Run EXPLAIN QUERY PLAN prior to seach SQL stmt */ - u8 autoEQPtest; /* autoEQP is in test mode */ - u8 statsOn; /* True to display memory stats before each finalize */ - u8 scanstatsOn; /* True to display scan stats before each finalize */ - u8 openMode; /* SHELL_OPEN_NORMAL, _APPENDVFS, or _ZIPFILE */ - u8 doXdgOpen; /* Invoke start/open/xdg-open in output_reset() */ - u8 nEqpLevel; /* Depth of the EQP output graph */ - unsigned mEqpLines; /* Mask of veritical lines in the EQP output graph */ - int outCount; /* Revert to stdout when reaching zero */ - int cnt; /* Number of records displayed so far */ - FILE *out; /* Write results here */ - FILE *traceOut; /* Output for sqlite3_trace() */ - int nErr; /* Number of errors seen */ - int mode; /* An output mode setting */ - int modePrior; /* Saved mode */ - int cMode; /* temporary output mode for the current query */ - int normalMode; /* Output mode before ".explain on" */ - int writableSchema; /* True if PRAGMA writable_schema=ON */ - int showHeader; /* True to show column names in List or Column mode */ - int nCheck; /* Number of ".check" commands run */ - unsigned shellFlgs; /* Various flags */ - char *zDestTable; /* Name of destination table when MODE_Insert */ - char *zTempFile; /* Temporary file that might need deleting */ - char zTestcase[30]; /* Name of current test case */ - char colSeparator[20]; /* Column separator character for several modes */ - char rowSeparator[20]; /* Row separator character for MODE_Ascii */ - char colSepPrior[20]; /* Saved column separator */ - char rowSepPrior[20]; /* Saved row separator */ - int colWidth[100]; /* Requested width of each column when in column mode*/ - int actualWidth[100]; /* Actual width of each column */ - char nullValue[20]; /* The text to print when a NULL comes back from - ** the database */ - char outfile[FILENAME_MAX]; /* Filename for *out */ - const char *zDbFilename; /* name of the database file */ - char *zFreeOnClose; /* Filename to free when closing */ - const char *zVfs; /* Name of VFS to use */ - sqlite3_stmt *pStmt; /* Current statement if any. */ - FILE *pLog; /* Write log output here */ - int *aiIndent; /* Array of indents used in MODE_Explain */ - int nIndent; /* Size of array aiIndent[] */ - int iIndent; /* Index of current op in aiIndent[] */ - EQPGraph sGraph; /* Information for the graphical EXPLAIN QUERY PLAN */ -#if defined(SQLITE_ENABLE_SESSION) - int nSession; /* Number of active sessions */ - OpenSession aSession[4]; /* Array of sessions. [0] is in focus. */ -#endif - ExpertInfo expert; /* Valid if previous command was ".expert OPT..." */ -}; - - -/* Allowed values for ShellState.autoEQP -*/ -#define AUTOEQP_off 0 /* Automatic EXPLAIN QUERY PLAN is off */ -#define AUTOEQP_on 1 /* Automatic EQP is on */ -#define AUTOEQP_trigger 2 /* On and also show plans for triggers */ -#define AUTOEQP_full 3 /* Show full EXPLAIN */ - -/* Allowed values for ShellState.openMode -*/ -#define SHELL_OPEN_UNSPEC 0 /* No open-mode specified */ -#define SHELL_OPEN_NORMAL 1 /* Normal database file */ -#define SHELL_OPEN_APPENDVFS 2 /* Use appendvfs */ -#define SHELL_OPEN_ZIPFILE 3 /* Use the zipfile virtual table */ -#define SHELL_OPEN_READONLY 4 /* Open a normal database read-only */ - -/* -** These are the allowed shellFlgs values -*/ -#define SHFLG_Pagecache 0x00000001 /* The --pagecache option is used */ -#define SHFLG_Lookaside 0x00000002 /* Lookaside memory is used */ -#define SHFLG_Backslash 0x00000004 /* The --backslash option is used */ -#define SHFLG_PreserveRowid 0x00000008 /* .dump preserves rowid values */ -#define SHFLG_Newlines 0x00000010 /* .dump --newline flag */ -#define SHFLG_CountChanges 0x00000020 /* .changes setting */ -#define SHFLG_Echo 0x00000040 /* .echo or --echo setting */ - -/* -** Macros for testing and setting shellFlgs -*/ -#define ShellHasFlag(P,X) (((P)->shellFlgs & (X))!=0) -#define ShellSetFlag(P,X) ((P)->shellFlgs|=(X)) -#define ShellClearFlag(P,X) ((P)->shellFlgs&=(~(X))) - -/* -** These are the allowed modes. -*/ -#define MODE_Line 0 /* One column per line. Blank line between records */ -#define MODE_Column 1 /* One record per line in neat columns */ -#define MODE_List 2 /* One record per line with a separator */ -#define MODE_Semi 3 /* Same as MODE_List but append ";" to each line */ -#define MODE_Html 4 /* Generate an XHTML table */ -#define MODE_Insert 5 /* Generate SQL "insert" statements */ -#define MODE_Quote 6 /* Quote values as for SQL */ -#define MODE_Tcl 7 /* Generate ANSI-C or TCL quoted elements */ -#define MODE_Csv 8 /* Quote strings, numbers are plain */ -#define MODE_Explain 9 /* Like MODE_Column, but do not truncate data */ -#define MODE_Ascii 10 /* Use ASCII unit and record separators (0x1F/0x1E) */ -#define MODE_Pretty 11 /* Pretty-print schemas */ -#define MODE_EQP 12 /* Converts EXPLAIN QUERY PLAN output into a graph */ - -static const char *modeDescr[] = { - "line", - "column", - "list", - "semi", - "html", - "insert", - "quote", - "tcl", - "csv", - "explain", - "ascii", - "prettyprint", - "eqp" -}; - -/* -** These are the column/row/line separators used by the various -** import/export modes. -*/ -#define SEP_Column "|" -#define SEP_Row "\n" -#define SEP_Tab "\t" -#define SEP_Space " " -#define SEP_Comma "," -#define SEP_CrLf "\r\n" -#define SEP_Unit "\x1F" -#define SEP_Record "\x1E" - -/* -** A callback for the sqlite3_log() interface. -*/ -static void shellLog(void *pArg, int iErrCode, const char *zMsg){ - ShellState *p = (ShellState*)pArg; - if( p->pLog==0 ) return; - utf8_printf(p->pLog, "(%d) %s\n", iErrCode, zMsg); - fflush(p->pLog); -} - -/* -** SQL function: shell_putsnl(X) -** -** Write the text X to the screen (or whatever output is being directed) -** adding a newline at the end, and then return X. -*/ -static void shellPutsFunc( - sqlite3_context *pCtx, - int nVal, - sqlite3_value **apVal -){ - ShellState *p = (ShellState*)sqlite3_user_data(pCtx); - (void)nVal; - utf8_printf(p->out, "%s\n", sqlite3_value_text(apVal[0])); - sqlite3_result_value(pCtx, apVal[0]); -} - -/* -** SQL function: edit(VALUE) -** edit(VALUE,EDITOR) -** -** These steps: -** -** (1) Write VALUE into a temporary file. -** (2) Run program EDITOR on that temporary file. -** (3) Read the temporary file back and return its content as the result. -** (4) Delete the temporary file -** -** If the EDITOR argument is omitted, use the value in the VISUAL -** environment variable. If still there is no EDITOR, through an error. -** -** Also throw an error if the EDITOR program returns a non-zero exit code. -*/ -#ifndef SQLITE_NOHAVE_SYSTEM -static void editFunc( - sqlite3_context *context, - int argc, - sqlite3_value **argv -){ - const char *zEditor; - char *zTempFile = 0; - sqlite3 *db; - char *zCmd = 0; - int bBin; - int rc; - FILE *f = 0; - sqlite3_int64 sz; - sqlite3_int64 x; - unsigned char *p = 0; - - if( argc==2 ){ - zEditor = (const char*)sqlite3_value_text(argv[1]); - }else{ - zEditor = getenv("VISUAL"); - } - if( zEditor==0 ){ - sqlite3_result_error(context, "no editor for edit()", -1); - return; - } - if( sqlite3_value_type(argv[0])==SQLITE_NULL ){ - sqlite3_result_error(context, "NULL input to edit()", -1); - return; - } - db = sqlite3_context_db_handle(context); - zTempFile = 0; - sqlite3_file_control(db, 0, SQLITE_FCNTL_TEMPFILENAME, &zTempFile); - if( zTempFile==0 ){ - sqlite3_uint64 r = 0; - sqlite3_randomness(sizeof(r), &r); - zTempFile = sqlite3_mprintf("temp%llx", r); - if( zTempFile==0 ){ - sqlite3_result_error_nomem(context); - return; - } - } - bBin = sqlite3_value_type(argv[0])==SQLITE_BLOB; - f = fopen(zTempFile, bBin ? "wb" : "w"); - if( f==0 ){ - sqlite3_result_error(context, "edit() cannot open temp file", -1); - goto edit_func_end; - } - sz = sqlite3_value_bytes(argv[0]); - if( bBin ){ - x = fwrite(sqlite3_value_blob(argv[0]), 1, sz, f); - }else{ - x = fwrite(sqlite3_value_text(argv[0]), 1, sz, f); - } - fclose(f); - f = 0; - if( x!=sz ){ - sqlite3_result_error(context, "edit() could not write the whole file", -1); - goto edit_func_end; - } - zCmd = sqlite3_mprintf("%s \"%s\"", zEditor, zTempFile); - if( zCmd==0 ){ - sqlite3_result_error_nomem(context); - goto edit_func_end; - } - rc = system(zCmd); - sqlite3_free(zCmd); - if( rc ){ - sqlite3_result_error(context, "EDITOR returned non-zero", -1); - goto edit_func_end; - } - f = fopen(zTempFile, bBin ? "rb" : "r"); - if( f==0 ){ - sqlite3_result_error(context, - "edit() cannot reopen temp file after edit", -1); - goto edit_func_end; - } - fseek(f, 0, SEEK_END); - sz = ftell(f); - rewind(f); - p = sqlite3_malloc64( sz+(bBin==0) ); - if( p==0 ){ - sqlite3_result_error_nomem(context); - goto edit_func_end; - } - if( bBin ){ - x = fread(p, 1, sz, f); - }else{ - x = fread(p, 1, sz, f); - p[sz] = 0; - } - fclose(f); - f = 0; - if( x!=sz ){ - sqlite3_result_error(context, "could not read back the whole file", -1); - goto edit_func_end; - } - if( bBin ){ - sqlite3_result_blob64(context, p, sz, sqlite3_free); - }else{ - sqlite3_result_text64(context, (const char*)p, sz, - sqlite3_free, SQLITE_UTF8); - } - p = 0; - -edit_func_end: - if( f ) fclose(f); - unlink(zTempFile); - sqlite3_free(zTempFile); - sqlite3_free(p); -} -#endif /* SQLITE_NOHAVE_SYSTEM */ - -/* -** Save or restore the current output mode -*/ -static void outputModePush(ShellState *p){ - p->modePrior = p->mode; - memcpy(p->colSepPrior, p->colSeparator, sizeof(p->colSeparator)); - memcpy(p->rowSepPrior, p->rowSeparator, sizeof(p->rowSeparator)); -} -static void outputModePop(ShellState *p){ - p->mode = p->modePrior; - memcpy(p->colSeparator, p->colSepPrior, sizeof(p->colSeparator)); - memcpy(p->rowSeparator, p->rowSepPrior, sizeof(p->rowSeparator)); -} - -/* -** Output the given string as a hex-encoded blob (eg. X'1234' ) -*/ -static void output_hex_blob(FILE *out, const void *pBlob, int nBlob){ - int i; - char *zBlob = (char *)pBlob; - raw_printf(out,"X'"); - for(i=0; i<nBlob; i++){ raw_printf(out,"%02x",zBlob[i]&0xff); } - raw_printf(out,"'"); -} - -/* -** Find a string that is not found anywhere in z[]. Return a pointer -** to that string. -** -** Try to use zA and zB first. If both of those are already found in z[] -** then make up some string and store it in the buffer zBuf. -*/ -static const char *unused_string( - const char *z, /* Result must not appear anywhere in z */ - const char *zA, const char *zB, /* Try these first */ - char *zBuf /* Space to store a generated string */ -){ - unsigned i = 0; - if( strstr(z, zA)==0 ) return zA; - if( strstr(z, zB)==0 ) return zB; - do{ - sqlite3_snprintf(20,zBuf,"(%s%u)", zA, i++); - }while( strstr(z,zBuf)!=0 ); - return zBuf; -} - -/* -** Output the given string as a quoted string using SQL quoting conventions. -** -** See also: output_quoted_escaped_string() -*/ -static void output_quoted_string(FILE *out, const char *z){ - int i; - char c; - setBinaryMode(out, 1); - for(i=0; (c = z[i])!=0 && c!='\''; i++){} - if( c==0 ){ - utf8_printf(out,"'%s'",z); - }else{ - raw_printf(out, "'"); - while( *z ){ - for(i=0; (c = z[i])!=0 && c!='\''; i++){} - if( c=='\'' ) i++; - if( i ){ - utf8_printf(out, "%.*s", i, z); - z += i; - } - if( c=='\'' ){ - raw_printf(out, "'"); - continue; - } - if( c==0 ){ - break; - } - z++; - } - raw_printf(out, "'"); - } - setTextMode(out, 1); -} - -/* -** Output the given string as a quoted string using SQL quoting conventions. -** Additionallly , escape the "\n" and "\r" characters so that they do not -** get corrupted by end-of-line translation facilities in some operating -** systems. -** -** This is like output_quoted_string() but with the addition of the \r\n -** escape mechanism. -*/ -static void output_quoted_escaped_string(FILE *out, const char *z){ - int i; - char c; - setBinaryMode(out, 1); - for(i=0; (c = z[i])!=0 && c!='\'' && c!='\n' && c!='\r'; i++){} - if( c==0 ){ - utf8_printf(out,"'%s'",z); - }else{ - const char *zNL = 0; - const char *zCR = 0; - int nNL = 0; - int nCR = 0; - char zBuf1[20], zBuf2[20]; - for(i=0; z[i]; i++){ - if( z[i]=='\n' ) nNL++; - if( z[i]=='\r' ) nCR++; - } - if( nNL ){ - raw_printf(out, "replace("); - zNL = unused_string(z, "\\n", "\\012", zBuf1); - } - if( nCR ){ - raw_printf(out, "replace("); - zCR = unused_string(z, "\\r", "\\015", zBuf2); - } - raw_printf(out, "'"); - while( *z ){ - for(i=0; (c = z[i])!=0 && c!='\n' && c!='\r' && c!='\''; i++){} - if( c=='\'' ) i++; - if( i ){ - utf8_printf(out, "%.*s", i, z); - z += i; - } - if( c=='\'' ){ - raw_printf(out, "'"); - continue; - } - if( c==0 ){ - break; - } - z++; - if( c=='\n' ){ - raw_printf(out, "%s", zNL); - continue; - } - raw_printf(out, "%s", zCR); - } - raw_printf(out, "'"); - if( nCR ){ - raw_printf(out, ",'%s',char(13))", zCR); - } - if( nNL ){ - raw_printf(out, ",'%s',char(10))", zNL); - } - } - setTextMode(out, 1); -} - -/* -** Output the given string as a quoted according to C or TCL quoting rules. -*/ -static void output_c_string(FILE *out, const char *z){ - unsigned int c; - fputc('"', out); - while( (c = *(z++))!=0 ){ - if( c=='\\' ){ - fputc(c, out); - fputc(c, out); - }else if( c=='"' ){ - fputc('\\', out); - fputc('"', out); - }else if( c=='\t' ){ - fputc('\\', out); - fputc('t', out); - }else if( c=='\n' ){ - fputc('\\', out); - fputc('n', out); - }else if( c=='\r' ){ - fputc('\\', out); - fputc('r', out); - }else if( !isprint(c&0xff) ){ - raw_printf(out, "\\%03o", c&0xff); - }else{ - fputc(c, out); - } - } - fputc('"', out); -} - -/* -** Output the given string with characters that are special to -** HTML escaped. -*/ -static void output_html_string(FILE *out, const char *z){ - int i; - if( z==0 ) z = ""; - while( *z ){ - for(i=0; z[i] - && z[i]!='<' - && z[i]!='&' - && z[i]!='>' - && z[i]!='\"' - && z[i]!='\''; - i++){} - if( i>0 ){ - utf8_printf(out,"%.*s",i,z); - } - if( z[i]=='<' ){ - raw_printf(out,"<"); - }else if( z[i]=='&' ){ - raw_printf(out,"&"); - }else if( z[i]=='>' ){ - raw_printf(out,">"); - }else if( z[i]=='\"' ){ - raw_printf(out,"""); - }else if( z[i]=='\'' ){ - raw_printf(out,"'"); - }else{ - break; - } - z += i + 1; - } -} - -/* -** If a field contains any character identified by a 1 in the following -** array, then the string must be quoted for CSV. -*/ -static const char needCsvQuote[] = { - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -}; - -/* -** Output a single term of CSV. Actually, p->colSeparator is used for -** the separator, which may or may not be a comma. p->nullValue is -** the null value. Strings are quoted if necessary. The separator -** is only issued if bSep is true. -*/ -static void output_csv(ShellState *p, const char *z, int bSep){ - FILE *out = p->out; - if( z==0 ){ - utf8_printf(out,"%s",p->nullValue); - }else{ - int i; - int nSep = strlen30(p->colSeparator); - for(i=0; z[i]; i++){ - if( needCsvQuote[((unsigned char*)z)[i]] - || (z[i]==p->colSeparator[0] && - (nSep==1 || memcmp(z, p->colSeparator, nSep)==0)) ){ - i = 0; - break; - } - } - if( i==0 ){ - char *zQuoted = sqlite3_mprintf("\"%w\"", z); - utf8_printf(out, "%s", zQuoted); - sqlite3_free(zQuoted); - }else{ - utf8_printf(out, "%s", z); - } - } - if( bSep ){ - utf8_printf(p->out, "%s", p->colSeparator); - } -} - -/* -** This routine runs when the user presses Ctrl-C -*/ -static void interrupt_handler(int NotUsed){ - UNUSED_PARAMETER(NotUsed); - seenInterrupt++; - if( seenInterrupt>2 ) exit(1); - if( globalDb ) sqlite3_interrupt(globalDb); -} - -#if (defined(_WIN32) || defined(WIN32)) && !defined(_WIN32_WCE) -/* -** This routine runs for console events (e.g. Ctrl-C) on Win32 -*/ -static BOOL WINAPI ConsoleCtrlHandler( - DWORD dwCtrlType /* One of the CTRL_*_EVENT constants */ -){ - if( dwCtrlType==CTRL_C_EVENT ){ - interrupt_handler(0); - return TRUE; - } - return FALSE; -} -#endif - -#ifndef SQLITE_OMIT_AUTHORIZATION -/* -** When the ".auth ON" is set, the following authorizer callback is -** invoked. It always returns SQLITE_OK. -*/ -static int shellAuth( - void *pClientData, - int op, - const char *zA1, - const char *zA2, - const char *zA3, - const char *zA4 -){ - ShellState *p = (ShellState*)pClientData; - static const char *azAction[] = { 0, - "CREATE_INDEX", "CREATE_TABLE", "CREATE_TEMP_INDEX", - "CREATE_TEMP_TABLE", "CREATE_TEMP_TRIGGER", "CREATE_TEMP_VIEW", - "CREATE_TRIGGER", "CREATE_VIEW", "DELETE", - "DROP_INDEX", "DROP_TABLE", "DROP_TEMP_INDEX", - "DROP_TEMP_TABLE", "DROP_TEMP_TRIGGER", "DROP_TEMP_VIEW", - "DROP_TRIGGER", "DROP_VIEW", "INSERT", - "PRAGMA", "READ", "SELECT", - "TRANSACTION", "UPDATE", "ATTACH", - "DETACH", "ALTER_TABLE", "REINDEX", - "ANALYZE", "CREATE_VTABLE", "DROP_VTABLE", - "FUNCTION", "SAVEPOINT", "RECURSIVE" - }; - int i; - const char *az[4]; - az[0] = zA1; - az[1] = zA2; - az[2] = zA3; - az[3] = zA4; - utf8_printf(p->out, "authorizer: %s", azAction[op]); - for(i=0; i<4; i++){ - raw_printf(p->out, " "); - if( az[i] ){ - output_c_string(p->out, az[i]); - }else{ - raw_printf(p->out, "NULL"); - } - } - raw_printf(p->out, "\n"); - return SQLITE_OK; -} -#endif - -/* -** Print a schema statement. Part of MODE_Semi and MODE_Pretty output. -** -** This routine converts some CREATE TABLE statements for shadow tables -** in FTS3/4/5 into CREATE TABLE IF NOT EXISTS statements. -*/ -static void printSchemaLine(FILE *out, const char *z, const char *zTail){ - if( sqlite3_strglob("CREATE TABLE ['\"]*", z)==0 ){ - utf8_printf(out, "CREATE TABLE IF NOT EXISTS %s%s", z+13, zTail); - }else{ - utf8_printf(out, "%s%s", z, zTail); - } -} -static void printSchemaLineN(FILE *out, char *z, int n, const char *zTail){ - char c = z[n]; - z[n] = 0; - printSchemaLine(out, z, zTail); - z[n] = c; -} - -/* -** Return true if string z[] has nothing but whitespace and comments to the -** end of the first line. -*/ -static int wsToEol(const char *z){ - int i; - for(i=0; z[i]; i++){ - if( z[i]=='\n' ) return 1; - if( IsSpace(z[i]) ) continue; - if( z[i]=='-' && z[i+1]=='-' ) return 1; - return 0; - } - return 1; -} - -/* -** Add a new entry to the EXPLAIN QUERY PLAN data -*/ -static void eqp_append(ShellState *p, int iEqpId, int p2, const char *zText){ - EQPGraphRow *pNew; - int nText = strlen30(zText); - if( p->autoEQPtest ){ - utf8_printf(p->out, "%d,%d,%s\n", iEqpId, p2, zText); - } - pNew = sqlite3_malloc64( sizeof(*pNew) + nText ); - if( pNew==0 ) shell_out_of_memory(); - pNew->iEqpId = iEqpId; - pNew->iParentId = p2; - memcpy(pNew->zText, zText, nText+1); - pNew->pNext = 0; - if( p->sGraph.pLast ){ - p->sGraph.pLast->pNext = pNew; - }else{ - p->sGraph.pRow = pNew; - } - p->sGraph.pLast = pNew; -} - -/* -** Free and reset the EXPLAIN QUERY PLAN data that has been collected -** in p->sGraph. -*/ -static void eqp_reset(ShellState *p){ - EQPGraphRow *pRow, *pNext; - for(pRow = p->sGraph.pRow; pRow; pRow = pNext){ - pNext = pRow->pNext; - sqlite3_free(pRow); - } - memset(&p->sGraph, 0, sizeof(p->sGraph)); -} - -/* Return the next EXPLAIN QUERY PLAN line with iEqpId that occurs after -** pOld, or return the first such line if pOld is NULL -*/ -static EQPGraphRow *eqp_next_row(ShellState *p, int iEqpId, EQPGraphRow *pOld){ - EQPGraphRow *pRow = pOld ? pOld->pNext : p->sGraph.pRow; - while( pRow && pRow->iParentId!=iEqpId ) pRow = pRow->pNext; - return pRow; -} - -/* Render a single level of the graph that has iEqpId as its parent. Called -** recursively to render sublevels. -*/ -static void eqp_render_level(ShellState *p, int iEqpId){ - EQPGraphRow *pRow, *pNext; - int n = strlen30(p->sGraph.zPrefix); - char *z; - for(pRow = eqp_next_row(p, iEqpId, 0); pRow; pRow = pNext){ - pNext = eqp_next_row(p, iEqpId, pRow); - z = pRow->zText; - utf8_printf(p->out, "%s%s%s\n", p->sGraph.zPrefix, pNext ? "|--" : "`--", z); - if( n<(int)sizeof(p->sGraph.zPrefix)-7 ){ - memcpy(&p->sGraph.zPrefix[n], pNext ? "| " : " ", 4); - eqp_render_level(p, pRow->iEqpId); - p->sGraph.zPrefix[n] = 0; - } - } -} - -/* -** Display and reset the EXPLAIN QUERY PLAN data -*/ -static void eqp_render(ShellState *p){ - EQPGraphRow *pRow = p->sGraph.pRow; - if( pRow ){ - if( pRow->zText[0]=='-' ){ - if( pRow->pNext==0 ){ - eqp_reset(p); - return; - } - utf8_printf(p->out, "%s\n", pRow->zText+3); - p->sGraph.pRow = pRow->pNext; - sqlite3_free(pRow); - }else{ - utf8_printf(p->out, "QUERY PLAN\n"); - } - p->sGraph.zPrefix[0] = 0; - eqp_render_level(p, 0); - eqp_reset(p); - } -} - -/* -** This is the callback routine that the shell -** invokes for each row of a query result. -*/ -static int shell_callback( - void *pArg, - int nArg, /* Number of result columns */ - char **azArg, /* Text of each result column */ - char **azCol, /* Column names */ - int *aiType /* Column types */ -){ - int i; - ShellState *p = (ShellState*)pArg; - - if( azArg==0 ) return 0; - switch( p->cMode ){ - case MODE_Line: { - int w = 5; - if( azArg==0 ) break; - for(i=0; i<nArg; i++){ - int len = strlen30(azCol[i] ? azCol[i] : ""); - if( len>w ) w = len; - } - if( p->cnt++>0 ) utf8_printf(p->out, "%s", p->rowSeparator); - for(i=0; i<nArg; i++){ - utf8_printf(p->out,"%*s = %s%s", w, azCol[i], - azArg[i] ? azArg[i] : p->nullValue, p->rowSeparator); - } - break; - } - case MODE_Explain: - case MODE_Column: { - static const int aExplainWidths[] = {4, 13, 4, 4, 4, 13, 2, 13}; - const int *colWidth; - int showHdr; - char *rowSep; - if( p->cMode==MODE_Column ){ - colWidth = p->colWidth; - showHdr = p->showHeader; - rowSep = p->rowSeparator; - }else{ - colWidth = aExplainWidths; - showHdr = 1; - rowSep = SEP_Row; - } - if( p->cnt++==0 ){ - for(i=0; i<nArg; i++){ - int w, n; - if( i<ArraySize(p->colWidth) ){ - w = colWidth[i]; - }else{ - w = 0; - } - if( w==0 ){ - w = strlenChar(azCol[i] ? azCol[i] : ""); - if( w<10 ) w = 10; - n = strlenChar(azArg && azArg[i] ? azArg[i] : p->nullValue); - if( w<n ) w = n; - } - if( i<ArraySize(p->actualWidth) ){ - p->actualWidth[i] = w; - } - if( showHdr ){ - utf8_width_print(p->out, w, azCol[i]); - utf8_printf(p->out, "%s", i==nArg-1 ? rowSep : " "); - } - } - if( showHdr ){ - for(i=0; i<nArg; i++){ - int w; - if( i<ArraySize(p->actualWidth) ){ - w = p->actualWidth[i]; - if( w<0 ) w = -w; - }else{ - w = 10; - } - utf8_printf(p->out,"%-*.*s%s",w,w, - "----------------------------------------------------------" - "----------------------------------------------------------", - i==nArg-1 ? rowSep : " "); - } - } - } - if( azArg==0 ) break; - for(i=0; i<nArg; i++){ - int w; - if( i<ArraySize(p->actualWidth) ){ - w = p->actualWidth[i]; - }else{ - w = 10; - } - if( p->cMode==MODE_Explain && azArg[i] && strlenChar(azArg[i])>w ){ - w = strlenChar(azArg[i]); - } - if( i==1 && p->aiIndent && p->pStmt ){ - if( p->iIndent<p->nIndent ){ - utf8_printf(p->out, "%*.s", p->aiIndent[p->iIndent], ""); - } - p->iIndent++; - } - utf8_width_print(p->out, w, azArg[i] ? azArg[i] : p->nullValue); - utf8_printf(p->out, "%s", i==nArg-1 ? rowSep : " "); - } - break; - } - case MODE_Semi: { /* .schema and .fullschema output */ - printSchemaLine(p->out, azArg[0], ";\n"); - break; - } - case MODE_Pretty: { /* .schema and .fullschema with --indent */ - char *z; - int j; - int nParen = 0; - char cEnd = 0; - char c; - int nLine = 0; - assert( nArg==1 ); - if( azArg[0]==0 ) break; - if( sqlite3_strlike("CREATE VIEW%", azArg[0], 0)==0 - || sqlite3_strlike("CREATE TRIG%", azArg[0], 0)==0 - ){ - utf8_printf(p->out, "%s;\n", azArg[0]); - break; - } - z = sqlite3_mprintf("%s", azArg[0]); - j = 0; - for(i=0; IsSpace(z[i]); i++){} - for(; (c = z[i])!=0; i++){ - if( IsSpace(c) ){ - if( z[j-1]=='\r' ) z[j-1] = '\n'; - if( IsSpace(z[j-1]) || z[j-1]=='(' ) continue; - }else if( (c=='(' || c==')') && j>0 && IsSpace(z[j-1]) ){ - j--; - } - z[j++] = c; - } - while( j>0 && IsSpace(z[j-1]) ){ j--; } - z[j] = 0; - if( strlen30(z)>=79 ){ - for(i=j=0; (c = z[i])!=0; i++){ /* Copy changes from z[i] back to z[j] */ - if( c==cEnd ){ - cEnd = 0; - }else if( c=='"' || c=='\'' || c=='`' ){ - cEnd = c; - }else if( c=='[' ){ - cEnd = ']'; - }else if( c=='-' && z[i+1]=='-' ){ - cEnd = '\n'; - }else if( c=='(' ){ - nParen++; - }else if( c==')' ){ - nParen--; - if( nLine>0 && nParen==0 && j>0 ){ - printSchemaLineN(p->out, z, j, "\n"); - j = 0; - } - } - z[j++] = c; - if( nParen==1 && cEnd==0 - && (c=='(' || c=='\n' || (c==',' && !wsToEol(z+i+1))) - ){ - if( c=='\n' ) j--; - printSchemaLineN(p->out, z, j, "\n "); - j = 0; - nLine++; - while( IsSpace(z[i+1]) ){ i++; } - } - } - z[j] = 0; - } - printSchemaLine(p->out, z, ";\n"); - sqlite3_free(z); - break; - } - case MODE_List: { - if( p->cnt++==0 && p->showHeader ){ - for(i=0; i<nArg; i++){ - utf8_printf(p->out,"%s%s",azCol[i], - i==nArg-1 ? p->rowSeparator : p->colSeparator); - } - } - if( azArg==0 ) break; - for(i=0; i<nArg; i++){ - char *z = azArg[i]; - if( z==0 ) z = p->nullValue; - utf8_printf(p->out, "%s", z); - if( i<nArg-1 ){ - utf8_printf(p->out, "%s", p->colSeparator); - }else{ - utf8_printf(p->out, "%s", p->rowSeparator); - } - } - break; - } - case MODE_Html: { - if( p->cnt++==0 && p->showHeader ){ - raw_printf(p->out,"<TR>"); - for(i=0; i<nArg; i++){ - raw_printf(p->out,"<TH>"); - output_html_string(p->out, azCol[i]); - raw_printf(p->out,"</TH>\n"); - } - raw_printf(p->out,"</TR>\n"); - } - if( azArg==0 ) break; - raw_printf(p->out,"<TR>"); - for(i=0; i<nArg; i++){ - raw_printf(p->out,"<TD>"); - output_html_string(p->out, azArg[i] ? azArg[i] : p->nullValue); - raw_printf(p->out,"</TD>\n"); - } - raw_printf(p->out,"</TR>\n"); - break; - } - case MODE_Tcl: { - if( p->cnt++==0 && p->showHeader ){ - for(i=0; i<nArg; i++){ - output_c_string(p->out,azCol[i] ? azCol[i] : ""); - if(i<nArg-1) utf8_printf(p->out, "%s", p->colSeparator); - } - utf8_printf(p->out, "%s", p->rowSeparator); - } - if( azArg==0 ) break; - for(i=0; i<nArg; i++){ - output_c_string(p->out, azArg[i] ? azArg[i] : p->nullValue); - if(i<nArg-1) utf8_printf(p->out, "%s", p->colSeparator); - } - utf8_printf(p->out, "%s", p->rowSeparator); - break; - } - case MODE_Csv: { - setBinaryMode(p->out, 1); - if( p->cnt++==0 && p->showHeader ){ - for(i=0; i<nArg; i++){ - output_csv(p, azCol[i] ? azCol[i] : "", i<nArg-1); - } - utf8_printf(p->out, "%s", p->rowSeparator); - } - if( nArg>0 ){ - for(i=0; i<nArg; i++){ - output_csv(p, azArg[i], i<nArg-1); - } - utf8_printf(p->out, "%s", p->rowSeparator); - } - setTextMode(p->out, 1); - break; - } - case MODE_Insert: { - if( azArg==0 ) break; - utf8_printf(p->out,"INSERT INTO %s",p->zDestTable); - if( p->showHeader ){ - raw_printf(p->out,"("); - for(i=0; i<nArg; i++){ - if( i>0 ) raw_printf(p->out, ","); - if( quoteChar(azCol[i]) ){ - char *z = sqlite3_mprintf("\"%w\"", azCol[i]); - utf8_printf(p->out, "%s", z); - sqlite3_free(z); - }else{ - raw_printf(p->out, "%s", azCol[i]); - } - } - raw_printf(p->out,")"); - } - p->cnt++; - for(i=0; i<nArg; i++){ - raw_printf(p->out, i>0 ? "," : " VALUES("); - if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){ - utf8_printf(p->out,"NULL"); - }else if( aiType && aiType[i]==SQLITE_TEXT ){ - if( ShellHasFlag(p, SHFLG_Newlines) ){ - output_quoted_string(p->out, azArg[i]); - }else{ - output_quoted_escaped_string(p->out, azArg[i]); - } - }else if( aiType && aiType[i]==SQLITE_INTEGER ){ - utf8_printf(p->out,"%s", azArg[i]); - }else if( aiType && aiType[i]==SQLITE_FLOAT ){ - char z[50]; - double r = sqlite3_column_double(p->pStmt, i); - sqlite3_snprintf(50,z,"%!.20g", r); - raw_printf(p->out, "%s", z); - }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){ - const void *pBlob = sqlite3_column_blob(p->pStmt, i); - int nBlob = sqlite3_column_bytes(p->pStmt, i); - output_hex_blob(p->out, pBlob, nBlob); - }else if( isNumber(azArg[i], 0) ){ - utf8_printf(p->out,"%s", azArg[i]); - }else if( ShellHasFlag(p, SHFLG_Newlines) ){ - output_quoted_string(p->out, azArg[i]); - }else{ - output_quoted_escaped_string(p->out, azArg[i]); - } - } - raw_printf(p->out,");\n"); - break; - } - case MODE_Quote: { - if( azArg==0 ) break; - if( p->cnt==0 && p->showHeader ){ - for(i=0; i<nArg; i++){ - if( i>0 ) raw_printf(p->out, ","); - output_quoted_string(p->out, azCol[i]); - } - raw_printf(p->out,"\n"); - } - p->cnt++; - for(i=0; i<nArg; i++){ - if( i>0 ) raw_printf(p->out, ","); - if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){ - utf8_printf(p->out,"NULL"); - }else if( aiType && aiType[i]==SQLITE_TEXT ){ - output_quoted_string(p->out, azArg[i]); - }else if( aiType && aiType[i]==SQLITE_INTEGER ){ - utf8_printf(p->out,"%s", azArg[i]); - }else if( aiType && aiType[i]==SQLITE_FLOAT ){ - char z[50]; - double r = sqlite3_column_double(p->pStmt, i); - sqlite3_snprintf(50,z,"%!.20g", r); - raw_printf(p->out, "%s", z); - }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){ - const void *pBlob = sqlite3_column_blob(p->pStmt, i); - int nBlob = sqlite3_column_bytes(p->pStmt, i); - output_hex_blob(p->out, pBlob, nBlob); - }else if( isNumber(azArg[i], 0) ){ - utf8_printf(p->out,"%s", azArg[i]); - }else{ - output_quoted_string(p->out, azArg[i]); - } - } - raw_printf(p->out,"\n"); - break; - } - case MODE_Ascii: { - if( p->cnt++==0 && p->showHeader ){ - for(i=0; i<nArg; i++){ - if( i>0 ) utf8_printf(p->out, "%s", p->colSeparator); - utf8_printf(p->out,"%s",azCol[i] ? azCol[i] : ""); - } - utf8_printf(p->out, "%s", p->rowSeparator); - } - if( azArg==0 ) break; - for(i=0; i<nArg; i++){ - if( i>0 ) utf8_printf(p->out, "%s", p->colSeparator); - utf8_printf(p->out,"%s",azArg[i] ? azArg[i] : p->nullValue); - } - utf8_printf(p->out, "%s", p->rowSeparator); - break; - } - case MODE_EQP: { - eqp_append(p, atoi(azArg[0]), atoi(azArg[1]), azArg[3]); - break; - } - } - return 0; -} - -/* -** This is the callback routine that the SQLite library -** invokes for each row of a query result. -*/ -static int callback(void *pArg, int nArg, char **azArg, char **azCol){ - /* since we don't have type info, call the shell_callback with a NULL value */ - return shell_callback(pArg, nArg, azArg, azCol, NULL); -} - -/* -** This is the callback routine from sqlite3_exec() that appends all -** output onto the end of a ShellText object. -*/ -static int captureOutputCallback(void *pArg, int nArg, char **azArg, char **az){ - ShellText *p = (ShellText*)pArg; - int i; - UNUSED_PARAMETER(az); - if( azArg==0 ) return 0; - if( p->n ) appendText(p, "|", 0); - for(i=0; i<nArg; i++){ - if( i ) appendText(p, ",", 0); - if( azArg[i] ) appendText(p, azArg[i], 0); - } - return 0; -} - -/* -** Generate an appropriate SELFTEST table in the main database. -*/ -static void createSelftestTable(ShellState *p){ - char *zErrMsg = 0; - sqlite3_exec(p->db, - "SAVEPOINT selftest_init;\n" - "CREATE TABLE IF NOT EXISTS selftest(\n" - " tno INTEGER PRIMARY KEY,\n" /* Test number */ - " op TEXT,\n" /* Operator: memo run */ - " cmd TEXT,\n" /* Command text */ - " ans TEXT\n" /* Desired answer */ - ");" - "CREATE TEMP TABLE [_shell$self](op,cmd,ans);\n" - "INSERT INTO [_shell$self](rowid,op,cmd)\n" - " VALUES(coalesce((SELECT (max(tno)+100)/10 FROM selftest),10),\n" - " 'memo','Tests generated by --init');\n" - "INSERT INTO [_shell$self]\n" - " SELECT 'run',\n" - " 'SELECT hex(sha3_query(''SELECT type,name,tbl_name,sql " - "FROM sqlite_master ORDER BY 2'',224))',\n" - " hex(sha3_query('SELECT type,name,tbl_name,sql " - "FROM sqlite_master ORDER BY 2',224));\n" - "INSERT INTO [_shell$self]\n" - " SELECT 'run'," - " 'SELECT hex(sha3_query(''SELECT * FROM \"' ||" - " printf('%w',name) || '\" NOT INDEXED'',224))',\n" - " hex(sha3_query(printf('SELECT * FROM \"%w\" NOT INDEXED',name),224))\n" - " FROM (\n" - " SELECT name FROM sqlite_master\n" - " WHERE type='table'\n" - " AND name<>'selftest'\n" - " AND coalesce(rootpage,0)>0\n" - " )\n" - " ORDER BY name;\n" - "INSERT INTO [_shell$self]\n" - " VALUES('run','PRAGMA integrity_check','ok');\n" - "INSERT INTO selftest(tno,op,cmd,ans)" - " SELECT rowid*10,op,cmd,ans FROM [_shell$self];\n" - "DROP TABLE [_shell$self];" - ,0,0,&zErrMsg); - if( zErrMsg ){ - utf8_printf(stderr, "SELFTEST initialization failure: %s\n", zErrMsg); - sqlite3_free(zErrMsg); - } - sqlite3_exec(p->db, "RELEASE selftest_init",0,0,0); -} - - -/* -** Set the destination table field of the ShellState structure to -** the name of the table given. Escape any quote characters in the -** table name. -*/ -static void set_table_name(ShellState *p, const char *zName){ - int i, n; - char cQuote; - char *z; - - if( p->zDestTable ){ - free(p->zDestTable); - p->zDestTable = 0; - } - if( zName==0 ) return; - cQuote = quoteChar(zName); - n = strlen30(zName); - if( cQuote ) n += n+2; - z = p->zDestTable = malloc( n+1 ); - if( z==0 ) shell_out_of_memory(); - n = 0; - if( cQuote ) z[n++] = cQuote; - for(i=0; zName[i]; i++){ - z[n++] = zName[i]; - if( zName[i]==cQuote ) z[n++] = cQuote; - } - if( cQuote ) z[n++] = cQuote; - z[n] = 0; -} - - -/* -** Execute a query statement that will generate SQL output. Print -** the result columns, comma-separated, on a line and then add a -** semicolon terminator to the end of that line. -** -** If the number of columns is 1 and that column contains text "--" -** then write the semicolon on a separate line. That way, if a -** "--" comment occurs at the end of the statement, the comment -** won't consume the semicolon terminator. -*/ -static int run_table_dump_query( - ShellState *p, /* Query context */ - const char *zSelect, /* SELECT statement to extract content */ - const char *zFirstRow /* Print before first row, if not NULL */ -){ - sqlite3_stmt *pSelect; - int rc; - int nResult; - int i; - const char *z; - rc = sqlite3_prepare_v2(p->db, zSelect, -1, &pSelect, 0); - if( rc!=SQLITE_OK || !pSelect ){ - utf8_printf(p->out, "/**** ERROR: (%d) %s *****/\n", rc, - sqlite3_errmsg(p->db)); - if( (rc&0xff)!=SQLITE_CORRUPT ) p->nErr++; - return rc; - } - rc = sqlite3_step(pSelect); - nResult = sqlite3_column_count(pSelect); - while( rc==SQLITE_ROW ){ - if( zFirstRow ){ - utf8_printf(p->out, "%s", zFirstRow); - zFirstRow = 0; - } - z = (const char*)sqlite3_column_text(pSelect, 0); - utf8_printf(p->out, "%s", z); - for(i=1; i<nResult; i++){ - utf8_printf(p->out, ",%s", sqlite3_column_text(pSelect, i)); - } - if( z==0 ) z = ""; - while( z[0] && (z[0]!='-' || z[1]!='-') ) z++; - if( z[0] ){ - raw_printf(p->out, "\n;\n"); - }else{ - raw_printf(p->out, ";\n"); - } - rc = sqlite3_step(pSelect); - } - rc = sqlite3_finalize(pSelect); - if( rc!=SQLITE_OK ){ - utf8_printf(p->out, "/**** ERROR: (%d) %s *****/\n", rc, - sqlite3_errmsg(p->db)); - if( (rc&0xff)!=SQLITE_CORRUPT ) p->nErr++; - } - return rc; -} - -/* -** Allocate space and save off current error string. -*/ -static char *save_err_msg( - sqlite3 *db /* Database to query */ -){ - int nErrMsg = 1+strlen30(sqlite3_errmsg(db)); - char *zErrMsg = sqlite3_malloc64(nErrMsg); - if( zErrMsg ){ - memcpy(zErrMsg, sqlite3_errmsg(db), nErrMsg); - } - return zErrMsg; -} - -#ifdef __linux__ -/* -** Attempt to display I/O stats on Linux using /proc/PID/io -*/ -static void displayLinuxIoStats(FILE *out){ - FILE *in; - char z[200]; - sqlite3_snprintf(sizeof(z), z, "/proc/%d/io", getpid()); - in = fopen(z, "rb"); - if( in==0 ) return; - while( fgets(z, sizeof(z), in)!=0 ){ - static const struct { - const char *zPattern; - const char *zDesc; - } aTrans[] = { - { "rchar: ", "Bytes received by read():" }, - { "wchar: ", "Bytes sent to write():" }, - { "syscr: ", "Read() system calls:" }, - { "syscw: ", "Write() system calls:" }, - { "read_bytes: ", "Bytes read from storage:" }, - { "write_bytes: ", "Bytes written to storage:" }, - { "cancelled_write_bytes: ", "Cancelled write bytes:" }, - }; - int i; - for(i=0; i<ArraySize(aTrans); i++){ - int n = strlen30(aTrans[i].zPattern); - if( strncmp(aTrans[i].zPattern, z, n)==0 ){ - utf8_printf(out, "%-36s %s", aTrans[i].zDesc, &z[n]); - break; - } - } - } - fclose(in); -} -#endif - -/* -** Display a single line of status using 64-bit values. -*/ -static void displayStatLine( - ShellState *p, /* The shell context */ - char *zLabel, /* Label for this one line */ - char *zFormat, /* Format for the result */ - int iStatusCtrl, /* Which status to display */ - int bReset /* True to reset the stats */ -){ - sqlite3_int64 iCur = -1; - sqlite3_int64 iHiwtr = -1; - int i, nPercent; - char zLine[200]; - sqlite3_status64(iStatusCtrl, &iCur, &iHiwtr, bReset); - for(i=0, nPercent=0; zFormat[i]; i++){ - if( zFormat[i]=='%' ) nPercent++; - } - if( nPercent>1 ){ - sqlite3_snprintf(sizeof(zLine), zLine, zFormat, iCur, iHiwtr); - }else{ - sqlite3_snprintf(sizeof(zLine), zLine, zFormat, iHiwtr); - } - raw_printf(p->out, "%-36s %s\n", zLabel, zLine); -} - -/* -** Display memory stats. -*/ -static int display_stats( - sqlite3 *db, /* Database to query */ - ShellState *pArg, /* Pointer to ShellState */ - int bReset /* True to reset the stats */ -){ - int iCur; - int iHiwtr; - FILE *out; - if( pArg==0 || pArg->out==0 ) return 0; - out = pArg->out; - - if( pArg->pStmt && (pArg->statsOn & 2) ){ - int nCol, i, x; - sqlite3_stmt *pStmt = pArg->pStmt; - char z[100]; - nCol = sqlite3_column_count(pStmt); - raw_printf(out, "%-36s %d\n", "Number of output columns:", nCol); - for(i=0; i<nCol; i++){ - sqlite3_snprintf(sizeof(z),z,"Column %d %nname:", i, &x); - utf8_printf(out, "%-36s %s\n", z, sqlite3_column_name(pStmt,i)); -#ifndef SQLITE_OMIT_DECLTYPE - sqlite3_snprintf(30, z+x, "declared type:"); - utf8_printf(out, "%-36s %s\n", z, sqlite3_column_decltype(pStmt, i)); -#endif -#ifdef SQLITE_ENABLE_COLUMN_METADATA - sqlite3_snprintf(30, z+x, "database name:"); - utf8_printf(out, "%-36s %s\n", z, sqlite3_column_database_name(pStmt,i)); - sqlite3_snprintf(30, z+x, "table name:"); - utf8_printf(out, "%-36s %s\n", z, sqlite3_column_table_name(pStmt,i)); - sqlite3_snprintf(30, z+x, "origin name:"); - utf8_printf(out, "%-36s %s\n", z, sqlite3_column_origin_name(pStmt,i)); -#endif - } - } - - displayStatLine(pArg, "Memory Used:", - "%lld (max %lld) bytes", SQLITE_STATUS_MEMORY_USED, bReset); - displayStatLine(pArg, "Number of Outstanding Allocations:", - "%lld (max %lld)", SQLITE_STATUS_MALLOC_COUNT, bReset); - if( pArg->shellFlgs & SHFLG_Pagecache ){ - displayStatLine(pArg, "Number of Pcache Pages Used:", - "%lld (max %lld) pages", SQLITE_STATUS_PAGECACHE_USED, bReset); - } - displayStatLine(pArg, "Number of Pcache Overflow Bytes:", - "%lld (max %lld) bytes", SQLITE_STATUS_PAGECACHE_OVERFLOW, bReset); - displayStatLine(pArg, "Largest Allocation:", - "%lld bytes", SQLITE_STATUS_MALLOC_SIZE, bReset); - displayStatLine(pArg, "Largest Pcache Allocation:", - "%lld bytes", SQLITE_STATUS_PAGECACHE_SIZE, bReset); -#ifdef YYTRACKMAXSTACKDEPTH - displayStatLine(pArg, "Deepest Parser Stack:", - "%lld (max %lld)", SQLITE_STATUS_PARSER_STACK, bReset); -#endif - - if( db ){ - if( pArg->shellFlgs & SHFLG_Lookaside ){ - iHiwtr = iCur = -1; - sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED, - &iCur, &iHiwtr, bReset); - raw_printf(pArg->out, - "Lookaside Slots Used: %d (max %d)\n", - iCur, iHiwtr); - sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_HIT, - &iCur, &iHiwtr, bReset); - raw_printf(pArg->out, "Successful lookaside attempts: %d\n", - iHiwtr); - sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE, - &iCur, &iHiwtr, bReset); - raw_printf(pArg->out, "Lookaside failures due to size: %d\n", - iHiwtr); - sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL, - &iCur, &iHiwtr, bReset); - raw_printf(pArg->out, "Lookaside failures due to OOM: %d\n", - iHiwtr); - } - iHiwtr = iCur = -1; - sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_USED, &iCur, &iHiwtr, bReset); - raw_printf(pArg->out, "Pager Heap Usage: %d bytes\n", - iCur); - iHiwtr = iCur = -1; - sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_HIT, &iCur, &iHiwtr, 1); - raw_printf(pArg->out, "Page cache hits: %d\n", iCur); - iHiwtr = iCur = -1; - sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_MISS, &iCur, &iHiwtr, 1); - raw_printf(pArg->out, "Page cache misses: %d\n", iCur); - iHiwtr = iCur = -1; - sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_WRITE, &iCur, &iHiwtr, 1); - raw_printf(pArg->out, "Page cache writes: %d\n", iCur); - iHiwtr = iCur = -1; - sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_SPILL, &iCur, &iHiwtr, 1); - raw_printf(pArg->out, "Page cache spills: %d\n", iCur); - iHiwtr = iCur = -1; - sqlite3_db_status(db, SQLITE_DBSTATUS_SCHEMA_USED, &iCur, &iHiwtr, bReset); - raw_printf(pArg->out, "Schema Heap Usage: %d bytes\n", - iCur); - iHiwtr = iCur = -1; - sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHiwtr, bReset); - raw_printf(pArg->out, "Statement Heap/Lookaside Usage: %d bytes\n", - iCur); - } - - if( pArg->pStmt ){ - iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_FULLSCAN_STEP, - bReset); - raw_printf(pArg->out, "Fullscan Steps: %d\n", iCur); - iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_SORT, bReset); - raw_printf(pArg->out, "Sort Operations: %d\n", iCur); - iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_AUTOINDEX,bReset); - raw_printf(pArg->out, "Autoindex Inserts: %d\n", iCur); - iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_VM_STEP, bReset); - raw_printf(pArg->out, "Virtual Machine Steps: %d\n", iCur); - iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_REPREPARE, bReset); - raw_printf(pArg->out, "Reprepare operations: %d\n", iCur); - iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_RUN, bReset); - raw_printf(pArg->out, "Number of times run: %d\n", iCur); - iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_MEMUSED, bReset); - raw_printf(pArg->out, "Memory used by prepared stmt: %d\n", iCur); - } - -#ifdef __linux__ - displayLinuxIoStats(pArg->out); -#endif - - /* Do not remove this machine readable comment: extra-stats-output-here */ - - return 0; -} - -/* -** Display scan stats. -*/ -static void display_scanstats( - sqlite3 *db, /* Database to query */ - ShellState *pArg /* Pointer to ShellState */ -){ -#ifndef SQLITE_ENABLE_STMT_SCANSTATUS - UNUSED_PARAMETER(db); - UNUSED_PARAMETER(pArg); -#else - int i, k, n, mx; - raw_printf(pArg->out, "-------- scanstats --------\n"); - mx = 0; - for(k=0; k<=mx; k++){ - double rEstLoop = 1.0; - for(i=n=0; 1; i++){ - sqlite3_stmt *p = pArg->pStmt; - sqlite3_int64 nLoop, nVisit; - double rEst; - int iSid; - const char *zExplain; - if( sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_NLOOP, (void*)&nLoop) ){ - break; - } - sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_SELECTID, (void*)&iSid); - if( iSid>mx ) mx = iSid; - if( iSid!=k ) continue; - if( n==0 ){ - rEstLoop = (double)nLoop; - if( k>0 ) raw_printf(pArg->out, "-------- subquery %d -------\n", k); - } - n++; - sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_NVISIT, (void*)&nVisit); - sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_EST, (void*)&rEst); - sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_EXPLAIN, (void*)&zExplain); - utf8_printf(pArg->out, "Loop %2d: %s\n", n, zExplain); - rEstLoop *= rEst; - raw_printf(pArg->out, - " nLoop=%-8lld nRow=%-8lld estRow=%-8lld estRow/Loop=%-8g\n", - nLoop, nVisit, (sqlite3_int64)(rEstLoop+0.5), rEst - ); - } - } - raw_printf(pArg->out, "---------------------------\n"); -#endif -} - -/* -** Parameter azArray points to a zero-terminated array of strings. zStr -** points to a single nul-terminated string. Return non-zero if zStr -** is equal, according to strcmp(), to any of the strings in the array. -** Otherwise, return zero. -*/ -static int str_in_array(const char *zStr, const char **azArray){ - int i; - for(i=0; azArray[i]; i++){ - if( 0==strcmp(zStr, azArray[i]) ) return 1; - } - return 0; -} - -/* -** If compiled statement pSql appears to be an EXPLAIN statement, allocate -** and populate the ShellState.aiIndent[] array with the number of -** spaces each opcode should be indented before it is output. -** -** The indenting rules are: -** -** * For each "Next", "Prev", "VNext" or "VPrev" instruction, indent -** all opcodes that occur between the p2 jump destination and the opcode -** itself by 2 spaces. -** -** * For each "Goto", if the jump destination is earlier in the program -** and ends on one of: -** Yield SeekGt SeekLt RowSetRead Rewind -** or if the P1 parameter is one instead of zero, -** then indent all opcodes between the earlier instruction -** and "Goto" by 2 spaces. -*/ -static void explain_data_prepare(ShellState *p, sqlite3_stmt *pSql){ - const char *zSql; /* The text of the SQL statement */ - const char *z; /* Used to check if this is an EXPLAIN */ - int *abYield = 0; /* True if op is an OP_Yield */ - int nAlloc = 0; /* Allocated size of p->aiIndent[], abYield */ - int iOp; /* Index of operation in p->aiIndent[] */ - - const char *azNext[] = { "Next", "Prev", "VPrev", "VNext", "SorterNext", - "NextIfOpen", "PrevIfOpen", 0 }; - const char *azYield[] = { "Yield", "SeekLT", "SeekGT", "RowSetRead", - "Rewind", 0 }; - const char *azGoto[] = { "Goto", 0 }; - - /* Try to figure out if this is really an EXPLAIN statement. If this - ** cannot be verified, return early. */ - if( sqlite3_column_count(pSql)!=8 ){ - p->cMode = p->mode; - return; - } - zSql = sqlite3_sql(pSql); - if( zSql==0 ) return; - for(z=zSql; *z==' ' || *z=='\t' || *z=='\n' || *z=='\f' || *z=='\r'; z++); - if( sqlite3_strnicmp(z, "explain", 7) ){ - p->cMode = p->mode; - return; - } - - for(iOp=0; SQLITE_ROW==sqlite3_step(pSql); iOp++){ - int i; - int iAddr = sqlite3_column_int(pSql, 0); - const char *zOp = (const char*)sqlite3_column_text(pSql, 1); - - /* Set p2 to the P2 field of the current opcode. Then, assuming that - ** p2 is an instruction address, set variable p2op to the index of that - ** instruction in the aiIndent[] array. p2 and p2op may be different if - ** the current instruction is part of a sub-program generated by an - ** SQL trigger or foreign key. */ - int p2 = sqlite3_column_int(pSql, 3); - int p2op = (p2 + (iOp-iAddr)); - - /* Grow the p->aiIndent array as required */ - if( iOp>=nAlloc ){ - if( iOp==0 ){ - /* Do further verfication that this is explain output. Abort if - ** it is not */ - static const char *explainCols[] = { - "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment" }; - int jj; - for(jj=0; jj<ArraySize(explainCols); jj++){ - if( strcmp(sqlite3_column_name(pSql,jj),explainCols[jj])!=0 ){ - p->cMode = p->mode; - sqlite3_reset(pSql); - return; - } - } - } - nAlloc += 100; - p->aiIndent = (int*)sqlite3_realloc64(p->aiIndent, nAlloc*sizeof(int)); - abYield = (int*)sqlite3_realloc64(abYield, nAlloc*sizeof(int)); - } - abYield[iOp] = str_in_array(zOp, azYield); - p->aiIndent[iOp] = 0; - p->nIndent = iOp+1; - - if( str_in_array(zOp, azNext) ){ - for(i=p2op; i<iOp; i++) p->aiIndent[i] += 2; - } - if( str_in_array(zOp, azGoto) && p2op<p->nIndent - && (abYield[p2op] || sqlite3_column_int(pSql, 2)) - ){ - for(i=p2op; i<iOp; i++) p->aiIndent[i] += 2; - } - } - - p->iIndent = 0; - sqlite3_free(abYield); - sqlite3_reset(pSql); -} - -/* -** Free the array allocated by explain_data_prepare(). -*/ -static void explain_data_delete(ShellState *p){ - sqlite3_free(p->aiIndent); - p->aiIndent = 0; - p->nIndent = 0; - p->iIndent = 0; -} - -/* -** Disable and restore .wheretrace and .selecttrace settings. -*/ -#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE) -extern int sqlite3SelectTrace; -static int savedSelectTrace; -#endif -#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE) -extern int sqlite3WhereTrace; -static int savedWhereTrace; -#endif -static void disable_debug_trace_modes(void){ -#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE) - savedSelectTrace = sqlite3SelectTrace; - sqlite3SelectTrace = 0; -#endif -#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE) - savedWhereTrace = sqlite3WhereTrace; - sqlite3WhereTrace = 0; -#endif -} -static void restore_debug_trace_modes(void){ -#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE) - sqlite3SelectTrace = savedSelectTrace; -#endif -#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE) - sqlite3WhereTrace = savedWhereTrace; -#endif -} - -/* -** Run a prepared statement -*/ -static void exec_prepared_stmt( - ShellState *pArg, /* Pointer to ShellState */ - sqlite3_stmt *pStmt /* Statment to run */ -){ - int rc; - - /* perform the first step. this will tell us if we - ** have a result set or not and how wide it is. - */ - rc = sqlite3_step(pStmt); - /* if we have a result set... */ - if( SQLITE_ROW == rc ){ - /* allocate space for col name ptr, value ptr, and type */ - int nCol = sqlite3_column_count(pStmt); - void *pData = sqlite3_malloc64(3*nCol*sizeof(const char*) + 1); - if( !pData ){ - rc = SQLITE_NOMEM; - }else{ - char **azCols = (char **)pData; /* Names of result columns */ - char **azVals = &azCols[nCol]; /* Results */ - int *aiTypes = (int *)&azVals[nCol]; /* Result types */ - int i, x; - assert(sizeof(int) <= sizeof(char *)); - /* save off ptrs to column names */ - for(i=0; i<nCol; i++){ - azCols[i] = (char *)sqlite3_column_name(pStmt, i); - } - do{ - /* extract the data and data types */ - for(i=0; i<nCol; i++){ - aiTypes[i] = x = sqlite3_column_type(pStmt, i); - if( x==SQLITE_BLOB && pArg && pArg->cMode==MODE_Insert ){ - azVals[i] = ""; - }else{ - azVals[i] = (char*)sqlite3_column_text(pStmt, i); - } - if( !azVals[i] && (aiTypes[i]!=SQLITE_NULL) ){ - rc = SQLITE_NOMEM; - break; /* from for */ - } - } /* end for */ - - /* if data and types extracted successfully... */ - if( SQLITE_ROW == rc ){ - /* call the supplied callback with the result row data */ - if( shell_callback(pArg, nCol, azVals, azCols, aiTypes) ){ - rc = SQLITE_ABORT; - }else{ - rc = sqlite3_step(pStmt); - } - } - } while( SQLITE_ROW == rc ); - sqlite3_free(pData); - } - } -} - -#ifndef SQLITE_OMIT_VIRTUALTABLE -/* -** This function is called to process SQL if the previous shell command -** was ".expert". It passes the SQL in the second argument directly to -** the sqlite3expert object. -** -** If successful, SQLITE_OK is returned. Otherwise, an SQLite error -** code. In this case, (*pzErr) may be set to point to a buffer containing -** an English language error message. It is the responsibility of the -** caller to eventually free this buffer using sqlite3_free(). -*/ -static int expertHandleSQL( - ShellState *pState, - const char *zSql, - char **pzErr -){ - assert( pState->expert.pExpert ); - assert( pzErr==0 || *pzErr==0 ); - return sqlite3_expert_sql(pState->expert.pExpert, zSql, pzErr); -} - -/* -** This function is called either to silently clean up the object -** created by the ".expert" command (if bCancel==1), or to generate a -** report from it and then clean it up (if bCancel==0). -** -** If successful, SQLITE_OK is returned. Otherwise, an SQLite error -** code. In this case, (*pzErr) may be set to point to a buffer containing -** an English language error message. It is the responsibility of the -** caller to eventually free this buffer using sqlite3_free(). -*/ -static int expertFinish( - ShellState *pState, - int bCancel, - char **pzErr -){ - int rc = SQLITE_OK; - sqlite3expert *p = pState->expert.pExpert; - assert( p ); - assert( bCancel || pzErr==0 || *pzErr==0 ); - if( bCancel==0 ){ - FILE *out = pState->out; - int bVerbose = pState->expert.bVerbose; - - rc = sqlite3_expert_analyze(p, pzErr); - if( rc==SQLITE_OK ){ - int nQuery = sqlite3_expert_count(p); - int i; - - if( bVerbose ){ - const char *zCand = sqlite3_expert_report(p,0,EXPERT_REPORT_CANDIDATES); - raw_printf(out, "-- Candidates -----------------------------\n"); - raw_printf(out, "%s\n", zCand); - } - for(i=0; i<nQuery; i++){ - const char *zSql = sqlite3_expert_report(p, i, EXPERT_REPORT_SQL); - const char *zIdx = sqlite3_expert_report(p, i, EXPERT_REPORT_INDEXES); - const char *zEQP = sqlite3_expert_report(p, i, EXPERT_REPORT_PLAN); - if( zIdx==0 ) zIdx = "(no new indexes)\n"; - if( bVerbose ){ - raw_printf(out, "-- Query %d --------------------------------\n",i+1); - raw_printf(out, "%s\n\n", zSql); - } - raw_printf(out, "%s\n", zIdx); - raw_printf(out, "%s\n", zEQP); - } - } - } - sqlite3_expert_destroy(p); - pState->expert.pExpert = 0; - return rc; -} - -/* -** Implementation of ".expert" dot command. -*/ -static int expertDotCommand( - ShellState *pState, /* Current shell tool state */ - char **azArg, /* Array of arguments passed to dot command */ - int nArg /* Number of entries in azArg[] */ -){ - int rc = SQLITE_OK; - char *zErr = 0; - int i; - int iSample = 0; - - assert( pState->expert.pExpert==0 ); - memset(&pState->expert, 0, sizeof(ExpertInfo)); - - for(i=1; rc==SQLITE_OK && i<nArg; i++){ - char *z = azArg[i]; - int n; - if( z[0]=='-' && z[1]=='-' ) z++; - n = strlen30(z); - if( n>=2 && 0==strncmp(z, "-verbose", n) ){ - pState->expert.bVerbose = 1; - } - else if( n>=2 && 0==strncmp(z, "-sample", n) ){ - if( i==(nArg-1) ){ - raw_printf(stderr, "option requires an argument: %s\n", z); - rc = SQLITE_ERROR; - }else{ - iSample = (int)integerValue(azArg[++i]); - if( iSample<0 || iSample>100 ){ - raw_printf(stderr, "value out of range: %s\n", azArg[i]); - rc = SQLITE_ERROR; - } - } - } - else{ - raw_printf(stderr, "unknown option: %s\n", z); - rc = SQLITE_ERROR; - } - } - - if( rc==SQLITE_OK ){ - pState->expert.pExpert = sqlite3_expert_new(pState->db, &zErr); - if( pState->expert.pExpert==0 ){ - raw_printf(stderr, "sqlite3_expert_new: %s\n", zErr); - rc = SQLITE_ERROR; - }else{ - sqlite3_expert_config( - pState->expert.pExpert, EXPERT_CONFIG_SAMPLE, iSample - ); - } - } - - return rc; -} -#endif /* ifndef SQLITE_OMIT_VIRTUALTABLE */ - -/* -** Execute a statement or set of statements. Print -** any result rows/columns depending on the current mode -** set via the supplied callback. -** -** This is very similar to SQLite's built-in sqlite3_exec() -** function except it takes a slightly different callback -** and callback data argument. -*/ -static int shell_exec( - ShellState *pArg, /* Pointer to ShellState */ - const char *zSql, /* SQL to be evaluated */ - char **pzErrMsg /* Error msg written here */ -){ - sqlite3_stmt *pStmt = NULL; /* Statement to execute. */ - int rc = SQLITE_OK; /* Return Code */ - int rc2; - const char *zLeftover; /* Tail of unprocessed SQL */ - sqlite3 *db = pArg->db; - - if( pzErrMsg ){ - *pzErrMsg = NULL; - } - -#ifndef SQLITE_OMIT_VIRTUALTABLE - if( pArg->expert.pExpert ){ - rc = expertHandleSQL(pArg, zSql, pzErrMsg); - return expertFinish(pArg, (rc!=SQLITE_OK), pzErrMsg); - } -#endif - - while( zSql[0] && (SQLITE_OK == rc) ){ - static const char *zStmtSql; - rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt, &zLeftover); - if( SQLITE_OK != rc ){ - if( pzErrMsg ){ - *pzErrMsg = save_err_msg(db); - } - }else{ - if( !pStmt ){ - /* this happens for a comment or white-space */ - zSql = zLeftover; - while( IsSpace(zSql[0]) ) zSql++; - continue; - } - zStmtSql = sqlite3_sql(pStmt); - if( zStmtSql==0 ) zStmtSql = ""; - while( IsSpace(zStmtSql[0]) ) zStmtSql++; - - /* save off the prepared statment handle and reset row count */ - if( pArg ){ - pArg->pStmt = pStmt; - pArg->cnt = 0; - } - - /* echo the sql statement if echo on */ - if( pArg && ShellHasFlag(pArg, SHFLG_Echo) ){ - utf8_printf(pArg->out, "%s\n", zStmtSql ? zStmtSql : zSql); - } - - /* Show the EXPLAIN QUERY PLAN if .eqp is on */ - if( pArg && pArg->autoEQP && sqlite3_strlike("EXPLAIN%",zStmtSql,0)!=0 ){ - sqlite3_stmt *pExplain; - char *zEQP; - int triggerEQP = 0; - disable_debug_trace_modes(); - sqlite3_db_config(db, SQLITE_DBCONFIG_TRIGGER_EQP, -1, &triggerEQP); - if( pArg->autoEQP>=AUTOEQP_trigger ){ - sqlite3_db_config(db, SQLITE_DBCONFIG_TRIGGER_EQP, 1, 0); - } - zEQP = sqlite3_mprintf("EXPLAIN QUERY PLAN %s", zStmtSql); - rc = sqlite3_prepare_v2(db, zEQP, -1, &pExplain, 0); - if( rc==SQLITE_OK ){ - while( sqlite3_step(pExplain)==SQLITE_ROW ){ - const char *zEQPLine = (const char*)sqlite3_column_text(pExplain,3); - int iEqpId = sqlite3_column_int(pExplain, 0); - int iParentId = sqlite3_column_int(pExplain, 1); - if( zEQPLine[0]=='-' ) eqp_render(pArg); - eqp_append(pArg, iEqpId, iParentId, zEQPLine); - } - eqp_render(pArg); - } - sqlite3_finalize(pExplain); - sqlite3_free(zEQP); - if( pArg->autoEQP>=AUTOEQP_full ){ - /* Also do an EXPLAIN for ".eqp full" mode */ - zEQP = sqlite3_mprintf("EXPLAIN %s", zStmtSql); - rc = sqlite3_prepare_v2(db, zEQP, -1, &pExplain, 0); - if( rc==SQLITE_OK ){ - pArg->cMode = MODE_Explain; - explain_data_prepare(pArg, pExplain); - exec_prepared_stmt(pArg, pExplain); - explain_data_delete(pArg); - } - sqlite3_finalize(pExplain); - sqlite3_free(zEQP); - } - if( pArg->autoEQP>=AUTOEQP_trigger && triggerEQP==0 ){ - sqlite3_db_config(db, SQLITE_DBCONFIG_TRIGGER_EQP, 0, 0); - /* Reprepare pStmt before reactiving trace modes */ - sqlite3_finalize(pStmt); - sqlite3_prepare_v2(db, zSql, -1, &pStmt, 0); - } - restore_debug_trace_modes(); - } - - if( pArg ){ - pArg->cMode = pArg->mode; - if( pArg->autoExplain ){ - if( sqlite3_column_count(pStmt)==8 - && sqlite3_strlike("EXPLAIN%", zStmtSql,0)==0 - ){ - pArg->cMode = MODE_Explain; - } - if( sqlite3_column_count(pStmt)==4 - && sqlite3_strlike("EXPLAIN QUERY PLAN%", zStmtSql,0)==0 ){ - pArg->cMode = MODE_EQP; - } - } - - /* If the shell is currently in ".explain" mode, gather the extra - ** data required to add indents to the output.*/ - if( pArg->cMode==MODE_Explain ){ - explain_data_prepare(pArg, pStmt); - } - } - - exec_prepared_stmt(pArg, pStmt); - explain_data_delete(pArg); - eqp_render(pArg); - - /* print usage stats if stats on */ - if( pArg && pArg->statsOn ){ - display_stats(db, pArg, 0); - } - - /* print loop-counters if required */ - if( pArg && pArg->scanstatsOn ){ - display_scanstats(db, pArg); - } - - /* Finalize the statement just executed. If this fails, save a - ** copy of the error message. Otherwise, set zSql to point to the - ** next statement to execute. */ - rc2 = sqlite3_finalize(pStmt); - if( rc!=SQLITE_NOMEM ) rc = rc2; - if( rc==SQLITE_OK ){ - zSql = zLeftover; - while( IsSpace(zSql[0]) ) zSql++; - }else if( pzErrMsg ){ - *pzErrMsg = save_err_msg(db); - } - - /* clear saved stmt handle */ - if( pArg ){ - pArg->pStmt = NULL; - } - } - } /* end while */ - - return rc; -} - -/* -** Release memory previously allocated by tableColumnList(). -*/ -static void freeColumnList(char **azCol){ - int i; - for(i=1; azCol[i]; i++){ - sqlite3_free(azCol[i]); - } - /* azCol[0] is a static string */ - sqlite3_free(azCol); -} - -/* -** Return a list of pointers to strings which are the names of all -** columns in table zTab. The memory to hold the names is dynamically -** allocated and must be released by the caller using a subsequent call -** to freeColumnList(). -** -** The azCol[0] entry is usually NULL. However, if zTab contains a rowid -** value that needs to be preserved, then azCol[0] is filled in with the -** name of the rowid column. -** -** The first regular column in the table is azCol[1]. The list is terminated -** by an entry with azCol[i]==0. -*/ -static char **tableColumnList(ShellState *p, const char *zTab){ - char **azCol = 0; - sqlite3_stmt *pStmt; - char *zSql; - int nCol = 0; - int nAlloc = 0; - int nPK = 0; /* Number of PRIMARY KEY columns seen */ - int isIPK = 0; /* True if one PRIMARY KEY column of type INTEGER */ - int preserveRowid = ShellHasFlag(p, SHFLG_PreserveRowid); - int rc; - - zSql = sqlite3_mprintf("PRAGMA table_info=%Q", zTab); - rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); - sqlite3_free(zSql); - if( rc ) return 0; - while( sqlite3_step(pStmt)==SQLITE_ROW ){ - if( nCol>=nAlloc-2 ){ - nAlloc = nAlloc*2 + nCol + 10; - azCol = sqlite3_realloc(azCol, nAlloc*sizeof(azCol[0])); - if( azCol==0 ) shell_out_of_memory(); - } - azCol[++nCol] = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 1)); - if( sqlite3_column_int(pStmt, 5) ){ - nPK++; - if( nPK==1 - && sqlite3_stricmp((const char*)sqlite3_column_text(pStmt,2), - "INTEGER")==0 - ){ - isIPK = 1; - }else{ - isIPK = 0; - } - } - } - sqlite3_finalize(pStmt); - if( azCol==0 ) return 0; - azCol[0] = 0; - azCol[nCol+1] = 0; - - /* The decision of whether or not a rowid really needs to be preserved - ** is tricky. We never need to preserve a rowid for a WITHOUT ROWID table - ** or a table with an INTEGER PRIMARY KEY. We are unable to preserve - ** rowids on tables where the rowid is inaccessible because there are other - ** columns in the table named "rowid", "_rowid_", and "oid". - */ - if( preserveRowid && isIPK ){ - /* If a single PRIMARY KEY column with type INTEGER was seen, then it - ** might be an alise for the ROWID. But it might also be a WITHOUT ROWID - ** table or a INTEGER PRIMARY KEY DESC column, neither of which are - ** ROWID aliases. To distinguish these cases, check to see if - ** there is a "pk" entry in "PRAGMA index_list". There will be - ** no "pk" index if the PRIMARY KEY really is an alias for the ROWID. - */ - zSql = sqlite3_mprintf("SELECT 1 FROM pragma_index_list(%Q)" - " WHERE origin='pk'", zTab); - rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); - sqlite3_free(zSql); - if( rc ){ - freeColumnList(azCol); - return 0; - } - rc = sqlite3_step(pStmt); - sqlite3_finalize(pStmt); - preserveRowid = rc==SQLITE_ROW; - } - if( preserveRowid ){ - /* Only preserve the rowid if we can find a name to use for the - ** rowid */ - static char *azRowid[] = { "rowid", "_rowid_", "oid" }; - int i, j; - for(j=0; j<3; j++){ - for(i=1; i<=nCol; i++){ - if( sqlite3_stricmp(azRowid[j],azCol[i])==0 ) break; - } - if( i>nCol ){ - /* At this point, we know that azRowid[j] is not the name of any - ** ordinary column in the table. Verify that azRowid[j] is a valid - ** name for the rowid before adding it to azCol[0]. WITHOUT ROWID - ** tables will fail this last check */ - rc = sqlite3_table_column_metadata(p->db,0,zTab,azRowid[j],0,0,0,0,0); - if( rc==SQLITE_OK ) azCol[0] = azRowid[j]; - break; - } - } - } - return azCol; -} - -/* -** Toggle the reverse_unordered_selects setting. -*/ -static void toggleSelectOrder(sqlite3 *db){ - sqlite3_stmt *pStmt = 0; - int iSetting = 0; - char zStmt[100]; - sqlite3_prepare_v2(db, "PRAGMA reverse_unordered_selects", -1, &pStmt, 0); - if( sqlite3_step(pStmt)==SQLITE_ROW ){ - iSetting = sqlite3_column_int(pStmt, 0); - } - sqlite3_finalize(pStmt); - sqlite3_snprintf(sizeof(zStmt), zStmt, - "PRAGMA reverse_unordered_selects(%d)", !iSetting); - sqlite3_exec(db, zStmt, 0, 0, 0); -} - -/* -** This is a different callback routine used for dumping the database. -** Each row received by this callback consists of a table name, -** the table type ("index" or "table") and SQL to create the table. -** This routine should print text sufficient to recreate the table. -*/ -static int dump_callback(void *pArg, int nArg, char **azArg, char **azNotUsed){ - int rc; - const char *zTable; - const char *zType; - const char *zSql; - ShellState *p = (ShellState *)pArg; - - UNUSED_PARAMETER(azNotUsed); - if( nArg!=3 || azArg==0 ) return 0; - zTable = azArg[0]; - zType = azArg[1]; - zSql = azArg[2]; - - if( strcmp(zTable, "sqlite_sequence")==0 ){ - raw_printf(p->out, "DELETE FROM sqlite_sequence;\n"); - }else if( sqlite3_strglob("sqlite_stat?", zTable)==0 ){ - raw_printf(p->out, "ANALYZE sqlite_master;\n"); - }else if( strncmp(zTable, "sqlite_", 7)==0 ){ - return 0; - }else if( strncmp(zSql, "CREATE VIRTUAL TABLE", 20)==0 ){ - char *zIns; - if( !p->writableSchema ){ - raw_printf(p->out, "PRAGMA writable_schema=ON;\n"); - p->writableSchema = 1; - } - zIns = sqlite3_mprintf( - "INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)" - "VALUES('table','%q','%q',0,'%q');", - zTable, zTable, zSql); - utf8_printf(p->out, "%s\n", zIns); - sqlite3_free(zIns); - return 0; - }else{ - printSchemaLine(p->out, zSql, ";\n"); - } - - if( strcmp(zType, "table")==0 ){ - ShellText sSelect; - ShellText sTable; - char **azCol; - int i; - char *savedDestTable; - int savedMode; - - azCol = tableColumnList(p, zTable); - if( azCol==0 ){ - p->nErr++; - return 0; - } - - /* Always quote the table name, even if it appears to be pure ascii, - ** in case it is a keyword. Ex: INSERT INTO "table" ... */ - initText(&sTable); - appendText(&sTable, zTable, quoteChar(zTable)); - /* If preserving the rowid, add a column list after the table name. - ** In other words: "INSERT INTO tab(rowid,a,b,c,...) VALUES(...)" - ** instead of the usual "INSERT INTO tab VALUES(...)". - */ - if( azCol[0] ){ - appendText(&sTable, "(", 0); - appendText(&sTable, azCol[0], 0); - for(i=1; azCol[i]; i++){ - appendText(&sTable, ",", 0); - appendText(&sTable, azCol[i], quoteChar(azCol[i])); - } - appendText(&sTable, ")", 0); - } - - /* Build an appropriate SELECT statement */ - initText(&sSelect); - appendText(&sSelect, "SELECT ", 0); - if( azCol[0] ){ - appendText(&sSelect, azCol[0], 0); - appendText(&sSelect, ",", 0); - } - for(i=1; azCol[i]; i++){ - appendText(&sSelect, azCol[i], quoteChar(azCol[i])); - if( azCol[i+1] ){ - appendText(&sSelect, ",", 0); - } - } - freeColumnList(azCol); - appendText(&sSelect, " FROM ", 0); - appendText(&sSelect, zTable, quoteChar(zTable)); - - savedDestTable = p->zDestTable; - savedMode = p->mode; - p->zDestTable = sTable.z; - p->mode = p->cMode = MODE_Insert; - rc = shell_exec(p, sSelect.z, 0); - if( (rc&0xff)==SQLITE_CORRUPT ){ - raw_printf(p->out, "/****** CORRUPTION ERROR *******/\n"); - toggleSelectOrder(p->db); - shell_exec(p, sSelect.z, 0); - toggleSelectOrder(p->db); - } - p->zDestTable = savedDestTable; - p->mode = savedMode; - freeText(&sTable); - freeText(&sSelect); - if( rc ) p->nErr++; - } - return 0; -} - -/* -** Run zQuery. Use dump_callback() as the callback routine so that -** the contents of the query are output as SQL statements. -** -** If we get a SQLITE_CORRUPT error, rerun the query after appending -** "ORDER BY rowid DESC" to the end. -*/ -static int run_schema_dump_query( - ShellState *p, - const char *zQuery -){ - int rc; - char *zErr = 0; - rc = sqlite3_exec(p->db, zQuery, dump_callback, p, &zErr); - if( rc==SQLITE_CORRUPT ){ - char *zQ2; - int len = strlen30(zQuery); - raw_printf(p->out, "/****** CORRUPTION ERROR *******/\n"); - if( zErr ){ - utf8_printf(p->out, "/****** %s ******/\n", zErr); - sqlite3_free(zErr); - zErr = 0; - } - zQ2 = malloc( len+100 ); - if( zQ2==0 ) return rc; - sqlite3_snprintf(len+100, zQ2, "%s ORDER BY rowid DESC", zQuery); - rc = sqlite3_exec(p->db, zQ2, dump_callback, p, &zErr); - if( rc ){ - utf8_printf(p->out, "/****** ERROR: %s ******/\n", zErr); - }else{ - rc = SQLITE_CORRUPT; - } - sqlite3_free(zErr); - free(zQ2); - } - return rc; -} - -/* -** Text of a help message -*/ -static char zHelp[] = -#if defined(SQLITE_HAVE_ZLIB) && !defined(SQLITE_OMIT_VIRTUALTABLE) - ".archive ... Manage SQL archives: \".archive --help\" for details\n" -#endif -#ifndef SQLITE_OMIT_AUTHORIZATION - ".auth ON|OFF Show authorizer callbacks\n" -#endif - ".backup ?DB? FILE Backup DB (default \"main\") to FILE\n" - " Add \"--append\" to open using appendvfs.\n" - ".bail on|off Stop after hitting an error. Default OFF\n" - ".binary on|off Turn binary output on or off. Default OFF\n" - ".cd DIRECTORY Change the working directory to DIRECTORY\n" - ".changes on|off Show number of rows changed by SQL\n" - ".check GLOB Fail if output since .testcase does not match\n" - ".clone NEWDB Clone data into NEWDB from the existing database\n" - ".databases List names and files of attached databases\n" - ".dbconfig ?op? ?val? List or change sqlite3_db_config() options\n" - ".dbinfo ?DB? Show status information about the database\n" - ".dump ?TABLE? ... Dump the database in an SQL text format\n" - " If TABLE specified, only dump tables matching\n" - " LIKE pattern TABLE.\n" - ".echo on|off Turn command echo on or off\n" - ".eqp on|off|full Enable or disable automatic EXPLAIN QUERY PLAN\n" - ".excel Display the output of next command in a spreadsheet\n" - ".exit Exit this program\n" - ".expert EXPERIMENTAL. Suggest indexes for specified queries\n" -/* Because explain mode comes on automatically now, the ".explain" mode -** is removed from the help screen. It is still supported for legacy, however */ -/*".explain ?on|off|auto? Turn EXPLAIN output mode on or off or to automatic\n"*/ - ".fullschema ?--indent? Show schema and the content of sqlite_stat tables\n" - ".headers on|off Turn display of headers on or off\n" - ".help Show this message\n" - ".import FILE TABLE Import data from FILE into TABLE\n" -#ifndef SQLITE_OMIT_TEST_CONTROL - ".imposter INDEX TABLE Create imposter table TABLE on index INDEX\n" -#endif - ".indexes ?TABLE? Show names of all indexes\n" - " If TABLE specified, only show indexes for tables\n" - " matching LIKE pattern TABLE.\n" -#ifdef SQLITE_ENABLE_IOTRACE - ".iotrace FILE Enable I/O diagnostic logging to FILE\n" -#endif - ".limit ?LIMIT? ?VAL? Display or change the value of an SQLITE_LIMIT\n" - ".lint OPTIONS Report potential schema issues. Options:\n" - " fkey-indexes Find missing foreign key indexes\n" -#ifndef SQLITE_OMIT_LOAD_EXTENSION - ".load FILE ?ENTRY? Load an extension library\n" -#endif - ".log FILE|off Turn logging on or off. FILE can be stderr/stdout\n" - ".mode MODE ?TABLE? Set output mode where MODE is one of:\n" - " ascii Columns/rows delimited by 0x1F and 0x1E\n" - " csv Comma-separated values\n" - " column Left-aligned columns. (See .width)\n" - " html HTML <table> code\n" - " insert SQL insert statements for TABLE\n" - " line One value per line\n" - " list Values delimited by \"|\"\n" - " quote Escape answers as for SQL\n" - " tabs Tab-separated values\n" - " tcl TCL list elements\n" - ".nullvalue STRING Use STRING in place of NULL values\n" - ".once (-e|-x|FILE) Output for the next SQL command only to FILE\n" - " or invoke system text editor (-e) or spreadsheet (-x)\n" - " on the output.\n" - ".open ?OPTIONS? ?FILE? Close existing database and reopen FILE\n" - " The --new option starts with an empty file\n" - " Other options: --readonly --append --zip\n" - ".output ?FILE? Send output to FILE or stdout\n" - ".print STRING... Print literal STRING\n" - ".prompt MAIN CONTINUE Replace the standard prompts\n" - ".quit Exit this program\n" - ".read FILENAME Execute SQL in FILENAME\n" - ".restore ?DB? FILE Restore content of DB (default \"main\") from FILE\n" - ".save FILE Write in-memory database into FILE\n" - ".scanstats on|off Turn sqlite3_stmt_scanstatus() metrics on or off\n" - ".schema ?PATTERN? Show the CREATE statements matching PATTERN\n" - " Add --indent for pretty-printing\n" - ".selftest ?--init? Run tests defined in the SELFTEST table\n" - ".separator COL ?ROW? Change the column separator and optionally the row\n" - " separator for both the output mode and .import\n" -#if defined(SQLITE_ENABLE_SESSION) - ".session CMD ... Create or control sessions\n" -#endif - ".sha3sum ?OPTIONS...? Compute a SHA3 hash of database content\n" -#ifndef SQLITE_NOHAVE_SYSTEM - ".shell CMD ARGS... Run CMD ARGS... in a system shell\n" -#endif - ".show Show the current values for various settings\n" - ".stats ?on|off? Show stats or turn stats on or off\n" -#ifndef SQLITE_NOHAVE_SYSTEM - ".system CMD ARGS... Run CMD ARGS... in a system shell\n" -#endif - ".tables ?TABLE? List names of tables\n" - " If TABLE specified, only list tables matching\n" - " LIKE pattern TABLE.\n" - ".testcase NAME Begin redirecting output to 'testcase-out.txt'\n" - ".timeout MS Try opening locked tables for MS milliseconds\n" - ".timer on|off Turn SQL timer on or off\n" - ".trace FILE|off Output each SQL statement as it is run\n" - ".vfsinfo ?AUX? Information about the top-level VFS\n" - ".vfslist List all available VFSes\n" - ".vfsname ?AUX? Print the name of the VFS stack\n" - ".width NUM1 NUM2 ... Set column widths for \"column\" mode\n" - " Negative values right-justify\n" -; - -#if defined(SQLITE_ENABLE_SESSION) -/* -** Print help information for the ".sessions" command -*/ -void session_help(ShellState *p){ - raw_printf(p->out, - ".session ?NAME? SUBCOMMAND ?ARGS...?\n" - "If ?NAME? is omitted, the first defined session is used.\n" - "Subcommands:\n" - " attach TABLE Attach TABLE\n" - " changeset FILE Write a changeset into FILE\n" - " close Close one session\n" - " enable ?BOOLEAN? Set or query the enable bit\n" - " filter GLOB... Reject tables matching GLOBs\n" - " indirect ?BOOLEAN? Mark or query the indirect status\n" - " isempty Query whether the session is empty\n" - " list List currently open session names\n" - " open DB NAME Open a new session on DB\n" - " patchset FILE Write a patchset into FILE\n" - ); -} -#endif - - -/* Forward reference */ -static int process_input(ShellState *p, FILE *in); - -/* -** Read the content of file zName into memory obtained from sqlite3_malloc64() -** and return a pointer to the buffer. The caller is responsible for freeing -** the memory. -** -** If parameter pnByte is not NULL, (*pnByte) is set to the number of bytes -** read. -** -** For convenience, a nul-terminator byte is always appended to the data read -** from the file before the buffer is returned. This byte is not included in -** the final value of (*pnByte), if applicable. -** -** NULL is returned if any error is encountered. The final value of *pnByte -** is undefined in this case. -*/ -static char *readFile(const char *zName, int *pnByte){ - FILE *in = fopen(zName, "rb"); - long nIn; - size_t nRead; - char *pBuf; - if( in==0 ) return 0; - fseek(in, 0, SEEK_END); - nIn = ftell(in); - rewind(in); - pBuf = sqlite3_malloc64( nIn+1 ); - if( pBuf==0 ) return 0; - nRead = fread(pBuf, nIn, 1, in); - fclose(in); - if( nRead!=1 ){ - sqlite3_free(pBuf); - return 0; - } - pBuf[nIn] = 0; - if( pnByte ) *pnByte = nIn; - return pBuf; -} - -#if defined(SQLITE_ENABLE_SESSION) -/* -** Close a single OpenSession object and release all of its associated -** resources. -*/ -static void session_close(OpenSession *pSession){ - int i; - sqlite3session_delete(pSession->p); - sqlite3_free(pSession->zName); - for(i=0; i<pSession->nFilter; i++){ - sqlite3_free(pSession->azFilter[i]); - } - sqlite3_free(pSession->azFilter); - memset(pSession, 0, sizeof(OpenSession)); -} -#endif - -/* -** Close all OpenSession objects and release all associated resources. -*/ -#if defined(SQLITE_ENABLE_SESSION) -static void session_close_all(ShellState *p){ - int i; - for(i=0; i<p->nSession; i++){ - session_close(&p->aSession[i]); - } - p->nSession = 0; -} -#else -# define session_close_all(X) -#endif - -/* -** Implementation of the xFilter function for an open session. Omit -** any tables named by ".session filter" but let all other table through. -*/ -#if defined(SQLITE_ENABLE_SESSION) -static int session_filter(void *pCtx, const char *zTab){ - OpenSession *pSession = (OpenSession*)pCtx; - int i; - for(i=0; i<pSession->nFilter; i++){ - if( sqlite3_strglob(pSession->azFilter[i], zTab)==0 ) return 0; - } - return 1; -} -#endif - -/* -** Try to deduce the type of file for zName based on its content. Return -** one of the SHELL_OPEN_* constants. -** -** If the file does not exist or is empty but its name looks like a ZIP -** archive and the dfltZip flag is true, then assume it is a ZIP archive. -** Otherwise, assume an ordinary database regardless of the filename if -** the type cannot be determined from content. -*/ -int deduceDatabaseType(const char *zName, int dfltZip){ - FILE *f = fopen(zName, "rb"); - size_t n; - int rc = SHELL_OPEN_UNSPEC; - char zBuf[100]; - if( f==0 ){ - if( dfltZip && sqlite3_strlike("%.zip",zName,0)==0 ){ - return SHELL_OPEN_ZIPFILE; - }else{ - return SHELL_OPEN_NORMAL; - } - } - fseek(f, -25, SEEK_END); - n = fread(zBuf, 25, 1, f); - if( n==1 && memcmp(zBuf, "Start-Of-SQLite3-", 17)==0 ){ - rc = SHELL_OPEN_APPENDVFS; - }else{ - fseek(f, -22, SEEK_END); - n = fread(zBuf, 22, 1, f); - if( n==1 && zBuf[0]==0x50 && zBuf[1]==0x4b && zBuf[2]==0x05 - && zBuf[3]==0x06 ){ - rc = SHELL_OPEN_ZIPFILE; - }else if( n==0 && dfltZip && sqlite3_strlike("%.zip",zName,0)==0 ){ - rc = SHELL_OPEN_ZIPFILE; - } - } - fclose(f); - return rc; -} - -/* Flags for open_db(). -** -** The default behavior of open_db() is to exit(1) if the database fails to -** open. The OPEN_DB_KEEPALIVE flag changes that so that it prints an error -** but still returns without calling exit. -** -** The OPEN_DB_ZIPFILE flag causes open_db() to prefer to open files as a -** ZIP archive if the file does not exist or is empty and its name matches -** the *.zip pattern. -*/ -#define OPEN_DB_KEEPALIVE 0x001 /* Return after error if true */ -#define OPEN_DB_ZIPFILE 0x002 /* Open as ZIP if name matches *.zip */ - -/* -** Make sure the database is open. If it is not, then open it. If -** the database fails to open, print an error message and exit. -*/ -static void open_db(ShellState *p, int openFlags){ - if( p->db==0 ){ - if( p->openMode==SHELL_OPEN_UNSPEC ){ - if( p->zDbFilename==0 || p->zDbFilename[0]==0 ){ - p->openMode = SHELL_OPEN_NORMAL; - }else{ - p->openMode = (u8)deduceDatabaseType(p->zDbFilename, - (openFlags & OPEN_DB_ZIPFILE)!=0); - } - } - switch( p->openMode ){ - case SHELL_OPEN_APPENDVFS: { - sqlite3_open_v2(p->zDbFilename, &p->db, - SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE, "apndvfs"); - break; - } - case SHELL_OPEN_ZIPFILE: { - sqlite3_open(":memory:", &p->db); - break; - } - case SHELL_OPEN_READONLY: { - sqlite3_open_v2(p->zDbFilename, &p->db, SQLITE_OPEN_READONLY, 0); - break; - } - case SHELL_OPEN_UNSPEC: - case SHELL_OPEN_NORMAL: { - sqlite3_open(p->zDbFilename, &p->db); - break; - } - } - globalDb = p->db; - if( p->db==0 || SQLITE_OK!=sqlite3_errcode(p->db) ){ - utf8_printf(stderr,"Error: unable to open database \"%s\": %s\n", - p->zDbFilename, sqlite3_errmsg(p->db)); - if( openFlags & OPEN_DB_KEEPALIVE ) return; - exit(1); - } -#ifndef SQLITE_OMIT_LOAD_EXTENSION - sqlite3_enable_load_extension(p->db, 1); -#endif - sqlite3_fileio_init(p->db, 0, 0); - sqlite3_shathree_init(p->db, 0, 0); - sqlite3_completion_init(p->db, 0, 0); -#ifdef SQLITE_HAVE_ZLIB - sqlite3_zipfile_init(p->db, 0, 0); - sqlite3_sqlar_init(p->db, 0, 0); -#endif - sqlite3_create_function(p->db, "shell_add_schema", 3, SQLITE_UTF8, 0, - shellAddSchemaName, 0, 0); - sqlite3_create_function(p->db, "shell_module_schema", 1, SQLITE_UTF8, 0, - shellModuleSchema, 0, 0); - sqlite3_create_function(p->db, "shell_putsnl", 1, SQLITE_UTF8, p, - shellPutsFunc, 0, 0); -#ifndef SQLITE_NOHAVE_SYSTEM - sqlite3_create_function(p->db, "edit", 1, SQLITE_UTF8, 0, - editFunc, 0, 0); - sqlite3_create_function(p->db, "edit", 2, SQLITE_UTF8, 0, - editFunc, 0, 0); -#endif - if( p->openMode==SHELL_OPEN_ZIPFILE ){ - char *zSql = sqlite3_mprintf( - "CREATE VIRTUAL TABLE zip USING zipfile(%Q);", p->zDbFilename); - sqlite3_exec(p->db, zSql, 0, 0, 0); - sqlite3_free(zSql); - } - } -} - -/* -** Attempt to close the databaes connection. Report errors. -*/ -void close_db(sqlite3 *db){ - int rc = sqlite3_close(db); - if( rc ){ - utf8_printf(stderr, "Error: sqlite3_close() returns %d: %s\n", - rc, sqlite3_errmsg(db)); - } -} - -#if HAVE_READLINE || HAVE_EDITLINE -/* -** Readline completion callbacks -*/ -static char *readline_completion_generator(const char *text, int state){ - static sqlite3_stmt *pStmt = 0; - char *zRet; - if( state==0 ){ - char *zSql; - sqlite3_finalize(pStmt); - zSql = sqlite3_mprintf("SELECT DISTINCT candidate COLLATE nocase" - " FROM completion(%Q) ORDER BY 1", text); - sqlite3_prepare_v2(globalDb, zSql, -1, &pStmt, 0); - sqlite3_free(zSql); - } - if( sqlite3_step(pStmt)==SQLITE_ROW ){ - zRet = strdup((const char*)sqlite3_column_text(pStmt, 0)); - }else{ - sqlite3_finalize(pStmt); - pStmt = 0; - zRet = 0; - } - return zRet; -} -static char **readline_completion(const char *zText, int iStart, int iEnd){ - rl_attempted_completion_over = 1; - return rl_completion_matches(zText, readline_completion_generator); -} - -#elif HAVE_LINENOISE -/* -** Linenoise completion callback -*/ -static void linenoise_completion(const char *zLine, linenoiseCompletions *lc){ - int nLine = strlen30(zLine); - int i, iStart; - sqlite3_stmt *pStmt = 0; - char *zSql; - char zBuf[1000]; - - if( nLine>sizeof(zBuf)-30 ) return; - if( zLine[0]=='.' || zLine[0]=='#') return; - for(i=nLine-1; i>=0 && (isalnum(zLine[i]) || zLine[i]=='_'); i--){} - if( i==nLine-1 ) return; - iStart = i+1; - memcpy(zBuf, zLine, iStart); - zSql = sqlite3_mprintf("SELECT DISTINCT candidate COLLATE nocase" - " FROM completion(%Q,%Q) ORDER BY 1", - &zLine[iStart], zLine); - sqlite3_prepare_v2(globalDb, zSql, -1, &pStmt, 0); - sqlite3_free(zSql); - sqlite3_exec(globalDb, "PRAGMA page_count", 0, 0, 0); /* Load the schema */ - while( sqlite3_step(pStmt)==SQLITE_ROW ){ - const char *zCompletion = (const char*)sqlite3_column_text(pStmt, 0); - int nCompletion = sqlite3_column_bytes(pStmt, 0); - if( iStart+nCompletion < sizeof(zBuf)-1 ){ - memcpy(zBuf+iStart, zCompletion, nCompletion+1); - linenoiseAddCompletion(lc, zBuf); - } - } - sqlite3_finalize(pStmt); -} -#endif - -/* -** Do C-language style dequoting. -** -** \a -> alarm -** \b -> backspace -** \t -> tab -** \n -> newline -** \v -> vertical tab -** \f -> form feed -** \r -> carriage return -** \s -> space -** \" -> " -** \' -> ' -** \\ -> backslash -** \NNN -> ascii character NNN in octal -*/ -static void resolve_backslashes(char *z){ - int i, j; - char c; - while( *z && *z!='\\' ) z++; - for(i=j=0; (c = z[i])!=0; i++, j++){ - if( c=='\\' && z[i+1]!=0 ){ - c = z[++i]; - if( c=='a' ){ - c = '\a'; - }else if( c=='b' ){ - c = '\b'; - }else if( c=='t' ){ - c = '\t'; - }else if( c=='n' ){ - c = '\n'; - }else if( c=='v' ){ - c = '\v'; - }else if( c=='f' ){ - c = '\f'; - }else if( c=='r' ){ - c = '\r'; - }else if( c=='"' ){ - c = '"'; - }else if( c=='\'' ){ - c = '\''; - }else if( c=='\\' ){ - c = '\\'; - }else if( c>='0' && c<='7' ){ - c -= '0'; - if( z[i+1]>='0' && z[i+1]<='7' ){ - i++; - c = (c<<3) + z[i] - '0'; - if( z[i+1]>='0' && z[i+1]<='7' ){ - i++; - c = (c<<3) + z[i] - '0'; - } - } - } - } - z[j] = c; - } - if( j<i ) z[j] = 0; -} - -/* -** Interpret zArg as either an integer or a boolean value. Return 1 or 0 -** for TRUE and FALSE. Return the integer value if appropriate. -*/ -static int booleanValue(const char *zArg){ - int i; - if( zArg[0]=='0' && zArg[1]=='x' ){ - for(i=2; hexDigitValue(zArg[i])>=0; i++){} - }else{ - for(i=0; zArg[i]>='0' && zArg[i]<='9'; i++){} - } - if( i>0 && zArg[i]==0 ) return (int)(integerValue(zArg) & 0xffffffff); - if( sqlite3_stricmp(zArg, "on")==0 || sqlite3_stricmp(zArg,"yes")==0 ){ - return 1; - } - if( sqlite3_stricmp(zArg, "off")==0 || sqlite3_stricmp(zArg,"no")==0 ){ - return 0; - } - utf8_printf(stderr, "ERROR: Not a boolean value: \"%s\". Assuming \"no\".\n", - zArg); - return 0; -} - -/* -** Set or clear a shell flag according to a boolean value. -*/ -static void setOrClearFlag(ShellState *p, unsigned mFlag, const char *zArg){ - if( booleanValue(zArg) ){ - ShellSetFlag(p, mFlag); - }else{ - ShellClearFlag(p, mFlag); - } -} - -/* -** Close an output file, assuming it is not stderr or stdout -*/ -static void output_file_close(FILE *f){ - if( f && f!=stdout && f!=stderr ) fclose(f); -} - -/* -** Try to open an output file. The names "stdout" and "stderr" are -** recognized and do the right thing. NULL is returned if the output -** filename is "off". -*/ -static FILE *output_file_open(const char *zFile, int bTextMode){ - FILE *f; - if( strcmp(zFile,"stdout")==0 ){ - f = stdout; - }else if( strcmp(zFile, "stderr")==0 ){ - f = stderr; - }else if( strcmp(zFile, "off")==0 ){ - f = 0; - }else{ - f = fopen(zFile, bTextMode ? "w" : "wb"); - if( f==0 ){ - utf8_printf(stderr, "Error: cannot open \"%s\"\n", zFile); - } - } - return f; -} - -#if !defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_OMIT_FLOATING_POINT) -/* -** A routine for handling output from sqlite3_trace(). -*/ -static int sql_trace_callback( - unsigned mType, - void *pArg, - void *pP, - void *pX -){ - FILE *f = (FILE*)pArg; - UNUSED_PARAMETER(mType); - UNUSED_PARAMETER(pP); - if( f ){ - const char *z = (const char*)pX; - int i = strlen30(z); - while( i>0 && z[i-1]==';' ){ i--; } - utf8_printf(f, "%.*s;\n", i, z); - } - return 0; -} -#endif - -/* -** A no-op routine that runs with the ".breakpoint" doc-command. This is -** a useful spot to set a debugger breakpoint. -*/ -static void test_breakpoint(void){ - static int nCall = 0; - nCall++; -} - -/* -** An object used to read a CSV and other files for import. -*/ -typedef struct ImportCtx ImportCtx; -struct ImportCtx { - const char *zFile; /* Name of the input file */ - FILE *in; /* Read the CSV text from this input stream */ - char *z; /* Accumulated text for a field */ - int n; /* Number of bytes in z */ - int nAlloc; /* Space allocated for z[] */ - int nLine; /* Current line number */ - int bNotFirst; /* True if one or more bytes already read */ - int cTerm; /* Character that terminated the most recent field */ - int cColSep; /* The column separator character. (Usually ",") */ - int cRowSep; /* The row separator character. (Usually "\n") */ -}; - -/* Append a single byte to z[] */ -static void import_append_char(ImportCtx *p, int c){ - if( p->n+1>=p->nAlloc ){ - p->nAlloc += p->nAlloc + 100; - p->z = sqlite3_realloc64(p->z, p->nAlloc); - if( p->z==0 ) shell_out_of_memory(); - } - p->z[p->n++] = (char)c; -} - -/* Read a single field of CSV text. Compatible with rfc4180 and extended -** with the option of having a separator other than ",". -** -** + Input comes from p->in. -** + Store results in p->z of length p->n. Space to hold p->z comes -** from sqlite3_malloc64(). -** + Use p->cSep as the column separator. The default is ",". -** + Use p->rSep as the row separator. The default is "\n". -** + Keep track of the line number in p->nLine. -** + Store the character that terminates the field in p->cTerm. Store -** EOF on end-of-file. -** + Report syntax errors on stderr -*/ -static char *SQLITE_CDECL csv_read_one_field(ImportCtx *p){ - int c; - int cSep = p->cColSep; - int rSep = p->cRowSep; - p->n = 0; - c = fgetc(p->in); - if( c==EOF || seenInterrupt ){ - p->cTerm = EOF; - return 0; - } - if( c=='"' ){ - int pc, ppc; - int startLine = p->nLine; - int cQuote = c; - pc = ppc = 0; - while( 1 ){ - c = fgetc(p->in); - if( c==rSep ) p->nLine++; - if( c==cQuote ){ - if( pc==cQuote ){ - pc = 0; - continue; - } - } - if( (c==cSep && pc==cQuote) - || (c==rSep && pc==cQuote) - || (c==rSep && pc=='\r' && ppc==cQuote) - || (c==EOF && pc==cQuote) - ){ - do{ p->n--; }while( p->z[p->n]!=cQuote ); - p->cTerm = c; - break; - } - if( pc==cQuote && c!='\r' ){ - utf8_printf(stderr, "%s:%d: unescaped %c character\n", - p->zFile, p->nLine, cQuote); - } - if( c==EOF ){ - utf8_printf(stderr, "%s:%d: unterminated %c-quoted field\n", - p->zFile, startLine, cQuote); - p->cTerm = c; - break; - } - import_append_char(p, c); - ppc = pc; - pc = c; - } - }else{ - /* If this is the first field being parsed and it begins with the - ** UTF-8 BOM (0xEF BB BF) then skip the BOM */ - if( (c&0xff)==0xef && p->bNotFirst==0 ){ - import_append_char(p, c); - c = fgetc(p->in); - if( (c&0xff)==0xbb ){ - import_append_char(p, c); - c = fgetc(p->in); - if( (c&0xff)==0xbf ){ - p->bNotFirst = 1; - p->n = 0; - return csv_read_one_field(p); - } - } - } - while( c!=EOF && c!=cSep && c!=rSep ){ - import_append_char(p, c); - c = fgetc(p->in); - } - if( c==rSep ){ - p->nLine++; - if( p->n>0 && p->z[p->n-1]=='\r' ) p->n--; - } - p->cTerm = c; - } - if( p->z ) p->z[p->n] = 0; - p->bNotFirst = 1; - return p->z; -} - -/* Read a single field of ASCII delimited text. -** -** + Input comes from p->in. -** + Store results in p->z of length p->n. Space to hold p->z comes -** from sqlite3_malloc64(). -** + Use p->cSep as the column separator. The default is "\x1F". -** + Use p->rSep as the row separator. The default is "\x1E". -** + Keep track of the row number in p->nLine. -** + Store the character that terminates the field in p->cTerm. Store -** EOF on end-of-file. -** + Report syntax errors on stderr -*/ -static char *SQLITE_CDECL ascii_read_one_field(ImportCtx *p){ - int c; - int cSep = p->cColSep; - int rSep = p->cRowSep; - p->n = 0; - c = fgetc(p->in); - if( c==EOF || seenInterrupt ){ - p->cTerm = EOF; - return 0; - } - while( c!=EOF && c!=cSep && c!=rSep ){ - import_append_char(p, c); - c = fgetc(p->in); - } - if( c==rSep ){ - p->nLine++; - } - p->cTerm = c; - if( p->z ) p->z[p->n] = 0; - return p->z; -} - -/* -** Try to transfer data for table zTable. If an error is seen while -** moving forward, try to go backwards. The backwards movement won't -** work for WITHOUT ROWID tables. -*/ -static void tryToCloneData( - ShellState *p, - sqlite3 *newDb, - const char *zTable -){ - sqlite3_stmt *pQuery = 0; - sqlite3_stmt *pInsert = 0; - char *zQuery = 0; - char *zInsert = 0; - int rc; - int i, j, n; - int nTable = strlen30(zTable); - int k = 0; - int cnt = 0; - const int spinRate = 10000; - - zQuery = sqlite3_mprintf("SELECT * FROM \"%w\"", zTable); - rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0); - if( rc ){ - utf8_printf(stderr, "Error %d: %s on [%s]\n", - sqlite3_extended_errcode(p->db), sqlite3_errmsg(p->db), - zQuery); - goto end_data_xfer; - } - n = sqlite3_column_count(pQuery); - zInsert = sqlite3_malloc64(200 + nTable + n*3); - if( zInsert==0 ) shell_out_of_memory(); - sqlite3_snprintf(200+nTable,zInsert, - "INSERT OR IGNORE INTO \"%s\" VALUES(?", zTable); - i = strlen30(zInsert); - for(j=1; j<n; j++){ - memcpy(zInsert+i, ",?", 2); - i += 2; - } - memcpy(zInsert+i, ");", 3); - rc = sqlite3_prepare_v2(newDb, zInsert, -1, &pInsert, 0); - if( rc ){ - utf8_printf(stderr, "Error %d: %s on [%s]\n", - sqlite3_extended_errcode(newDb), sqlite3_errmsg(newDb), - zQuery); - goto end_data_xfer; - } - for(k=0; k<2; k++){ - while( (rc = sqlite3_step(pQuery))==SQLITE_ROW ){ - for(i=0; i<n; i++){ - switch( sqlite3_column_type(pQuery, i) ){ - case SQLITE_NULL: { - sqlite3_bind_null(pInsert, i+1); - break; - } - case SQLITE_INTEGER: { - sqlite3_bind_int64(pInsert, i+1, sqlite3_column_int64(pQuery,i)); - break; - } - case SQLITE_FLOAT: { - sqlite3_bind_double(pInsert, i+1, sqlite3_column_double(pQuery,i)); - break; - } - case SQLITE_TEXT: { - sqlite3_bind_text(pInsert, i+1, - (const char*)sqlite3_column_text(pQuery,i), - -1, SQLITE_STATIC); - break; - } - case SQLITE_BLOB: { - sqlite3_bind_blob(pInsert, i+1, sqlite3_column_blob(pQuery,i), - sqlite3_column_bytes(pQuery,i), - SQLITE_STATIC); - break; - } - } - } /* End for */ - rc = sqlite3_step(pInsert); - if( rc!=SQLITE_OK && rc!=SQLITE_ROW && rc!=SQLITE_DONE ){ - utf8_printf(stderr, "Error %d: %s\n", sqlite3_extended_errcode(newDb), - sqlite3_errmsg(newDb)); - } - sqlite3_reset(pInsert); - cnt++; - if( (cnt%spinRate)==0 ){ - printf("%c\b", "|/-\\"[(cnt/spinRate)%4]); - fflush(stdout); - } - } /* End while */ - if( rc==SQLITE_DONE ) break; - sqlite3_finalize(pQuery); - sqlite3_free(zQuery); - zQuery = sqlite3_mprintf("SELECT * FROM \"%w\" ORDER BY rowid DESC;", - zTable); - rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0); - if( rc ){ - utf8_printf(stderr, "Warning: cannot step \"%s\" backwards", zTable); - break; - } - } /* End for(k=0...) */ - -end_data_xfer: - sqlite3_finalize(pQuery); - sqlite3_finalize(pInsert); - sqlite3_free(zQuery); - sqlite3_free(zInsert); -} - - -/* -** Try to transfer all rows of the schema that match zWhere. For -** each row, invoke xForEach() on the object defined by that row. -** If an error is encountered while moving forward through the -** sqlite_master table, try again moving backwards. -*/ -static void tryToCloneSchema( - ShellState *p, - sqlite3 *newDb, - const char *zWhere, - void (*xForEach)(ShellState*,sqlite3*,const char*) -){ - sqlite3_stmt *pQuery = 0; - char *zQuery = 0; - int rc; - const unsigned char *zName; - const unsigned char *zSql; - char *zErrMsg = 0; - - zQuery = sqlite3_mprintf("SELECT name, sql FROM sqlite_master" - " WHERE %s", zWhere); - rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0); - if( rc ){ - utf8_printf(stderr, "Error: (%d) %s on [%s]\n", - sqlite3_extended_errcode(p->db), sqlite3_errmsg(p->db), - zQuery); - goto end_schema_xfer; - } - while( (rc = sqlite3_step(pQuery))==SQLITE_ROW ){ - zName = sqlite3_column_text(pQuery, 0); - zSql = sqlite3_column_text(pQuery, 1); - printf("%s... ", zName); fflush(stdout); - sqlite3_exec(newDb, (const char*)zSql, 0, 0, &zErrMsg); - if( zErrMsg ){ - utf8_printf(stderr, "Error: %s\nSQL: [%s]\n", zErrMsg, zSql); - sqlite3_free(zErrMsg); - zErrMsg = 0; - } - if( xForEach ){ - xForEach(p, newDb, (const char*)zName); - } - printf("done\n"); - } - if( rc!=SQLITE_DONE ){ - sqlite3_finalize(pQuery); - sqlite3_free(zQuery); - zQuery = sqlite3_mprintf("SELECT name, sql FROM sqlite_master" - " WHERE %s ORDER BY rowid DESC", zWhere); - rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0); - if( rc ){ - utf8_printf(stderr, "Error: (%d) %s on [%s]\n", - sqlite3_extended_errcode(p->db), sqlite3_errmsg(p->db), - zQuery); - goto end_schema_xfer; - } - while( (rc = sqlite3_step(pQuery))==SQLITE_ROW ){ - zName = sqlite3_column_text(pQuery, 0); - zSql = sqlite3_column_text(pQuery, 1); - printf("%s... ", zName); fflush(stdout); - sqlite3_exec(newDb, (const char*)zSql, 0, 0, &zErrMsg); - if( zErrMsg ){ - utf8_printf(stderr, "Error: %s\nSQL: [%s]\n", zErrMsg, zSql); - sqlite3_free(zErrMsg); - zErrMsg = 0; - } - if( xForEach ){ - xForEach(p, newDb, (const char*)zName); - } - printf("done\n"); - } - } -end_schema_xfer: - sqlite3_finalize(pQuery); - sqlite3_free(zQuery); -} - -/* -** Open a new database file named "zNewDb". Try to recover as much information -** as possible out of the main database (which might be corrupt) and write it -** into zNewDb. -*/ -static void tryToClone(ShellState *p, const char *zNewDb){ - int rc; - sqlite3 *newDb = 0; - if( access(zNewDb,0)==0 ){ - utf8_printf(stderr, "File \"%s\" already exists.\n", zNewDb); - return; - } - rc = sqlite3_open(zNewDb, &newDb); - if( rc ){ - utf8_printf(stderr, "Cannot create output database: %s\n", - sqlite3_errmsg(newDb)); - }else{ - sqlite3_exec(p->db, "PRAGMA writable_schema=ON;", 0, 0, 0); - sqlite3_exec(newDb, "BEGIN EXCLUSIVE;", 0, 0, 0); - tryToCloneSchema(p, newDb, "type='table'", tryToCloneData); - tryToCloneSchema(p, newDb, "type!='table'", 0); - sqlite3_exec(newDb, "COMMIT;", 0, 0, 0); - sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0); - } - close_db(newDb); -} - -/* -** Change the output file back to stdout. -** -** If the p->doXdgOpen flag is set, that means the output was being -** redirected to a temporary file named by p->zTempFile. In that case, -** launch start/open/xdg-open on that temporary file. -*/ -static void output_reset(ShellState *p){ - if( p->outfile[0]=='|' ){ -#ifndef SQLITE_OMIT_POPEN - pclose(p->out); -#endif - }else{ - output_file_close(p->out); -#ifndef SQLITE_NOHAVE_SYSTEM - if( p->doXdgOpen ){ - const char *zXdgOpenCmd = -#if defined(_WIN32) - "start"; -#elif defined(__APPLE__) - "open"; -#else - "xdg-open"; -#endif - char *zCmd; - zCmd = sqlite3_mprintf("%s %s", zXdgOpenCmd, p->zTempFile); - if( system(zCmd) ){ - utf8_printf(stderr, "Failed: [%s]\n", zCmd); - } - sqlite3_free(zCmd); - outputModePop(p); - p->doXdgOpen = 0; - } -#endif /* !defined(SQLITE_NOHAVE_SYSTEM) */ - } - p->outfile[0] = 0; - p->out = stdout; -} - -/* -** Run an SQL command and return the single integer result. -*/ -static int db_int(ShellState *p, const char *zSql){ - sqlite3_stmt *pStmt; - int res = 0; - sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); - if( pStmt && sqlite3_step(pStmt)==SQLITE_ROW ){ - res = sqlite3_column_int(pStmt,0); - } - sqlite3_finalize(pStmt); - return res; -} - -/* -** Convert a 2-byte or 4-byte big-endian integer into a native integer -*/ -static unsigned int get2byteInt(unsigned char *a){ - return (a[0]<<8) + a[1]; -} -static unsigned int get4byteInt(unsigned char *a){ - return (a[0]<<24) + (a[1]<<16) + (a[2]<<8) + a[3]; -} - -/* -** Implementation of the ".info" command. -** -** Return 1 on error, 2 to exit, and 0 otherwise. -*/ -static int shell_dbinfo_command(ShellState *p, int nArg, char **azArg){ - static const struct { const char *zName; int ofst; } aField[] = { - { "file change counter:", 24 }, - { "database page count:", 28 }, - { "freelist page count:", 36 }, - { "schema cookie:", 40 }, - { "schema format:", 44 }, - { "default cache size:", 48 }, - { "autovacuum top root:", 52 }, - { "incremental vacuum:", 64 }, - { "text encoding:", 56 }, - { "user version:", 60 }, - { "application id:", 68 }, - { "software version:", 96 }, - }; - static const struct { const char *zName; const char *zSql; } aQuery[] = { - { "number of tables:", - "SELECT count(*) FROM %s WHERE type='table'" }, - { "number of indexes:", - "SELECT count(*) FROM %s WHERE type='index'" }, - { "number of triggers:", - "SELECT count(*) FROM %s WHERE type='trigger'" }, - { "number of views:", - "SELECT count(*) FROM %s WHERE type='view'" }, - { "schema size:", - "SELECT total(length(sql)) FROM %s" }, - }; - int i; - char *zSchemaTab; - char *zDb = nArg>=2 ? azArg[1] : "main"; - sqlite3_stmt *pStmt = 0; - unsigned char aHdr[100]; - open_db(p, 0); - if( p->db==0 ) return 1; - sqlite3_prepare_v2(p->db,"SELECT data FROM sqlite_dbpage(?1) WHERE pgno=1", - -1, &pStmt, 0); - sqlite3_bind_text(pStmt, 1, zDb, -1, SQLITE_STATIC); - if( sqlite3_step(pStmt)==SQLITE_ROW - && sqlite3_column_bytes(pStmt,0)>100 - ){ - memcpy(aHdr, sqlite3_column_blob(pStmt,0), 100); - sqlite3_finalize(pStmt); - }else{ - raw_printf(stderr, "unable to read database header\n"); - sqlite3_finalize(pStmt); - return 1; - } - i = get2byteInt(aHdr+16); - if( i==1 ) i = 65536; - utf8_printf(p->out, "%-20s %d\n", "database page size:", i); - utf8_printf(p->out, "%-20s %d\n", "write format:", aHdr[18]); - utf8_printf(p->out, "%-20s %d\n", "read format:", aHdr[19]); - utf8_printf(p->out, "%-20s %d\n", "reserved bytes:", aHdr[20]); - for(i=0; i<ArraySize(aField); i++){ - int ofst = aField[i].ofst; - unsigned int val = get4byteInt(aHdr + ofst); - utf8_printf(p->out, "%-20s %u", aField[i].zName, val); - switch( ofst ){ - case 56: { - if( val==1 ) raw_printf(p->out, " (utf8)"); - if( val==2 ) raw_printf(p->out, " (utf16le)"); - if( val==3 ) raw_printf(p->out, " (utf16be)"); - } - } - raw_printf(p->out, "\n"); - } - if( zDb==0 ){ - zSchemaTab = sqlite3_mprintf("main.sqlite_master"); - }else if( strcmp(zDb,"temp")==0 ){ - zSchemaTab = sqlite3_mprintf("%s", "sqlite_temp_master"); - }else{ - zSchemaTab = sqlite3_mprintf("\"%w\".sqlite_master", zDb); - } - for(i=0; i<ArraySize(aQuery); i++){ - char *zSql = sqlite3_mprintf(aQuery[i].zSql, zSchemaTab); - int val = db_int(p, zSql); - sqlite3_free(zSql); - utf8_printf(p->out, "%-20s %d\n", aQuery[i].zName, val); - } - sqlite3_free(zSchemaTab); - return 0; -} - -/* -** Print the current sqlite3_errmsg() value to stderr and return 1. -*/ -static int shellDatabaseError(sqlite3 *db){ - const char *zErr = sqlite3_errmsg(db); - utf8_printf(stderr, "Error: %s\n", zErr); - return 1; -} - -/* -** Compare the pattern in zGlob[] against the text in z[]. Return TRUE -** if they match and FALSE (0) if they do not match. -** -** Globbing rules: -** -** '*' Matches any sequence of zero or more characters. -** -** '?' Matches exactly one character. -** -** [...] Matches one character from the enclosed list of -** characters. -** -** [^...] Matches one character not in the enclosed list. -** -** '#' Matches any sequence of one or more digits with an -** optional + or - sign in front -** -** ' ' Any span of whitespace matches any other span of -** whitespace. -** -** Extra whitespace at the end of z[] is ignored. -*/ -static int testcase_glob(const char *zGlob, const char *z){ - int c, c2; - int invert; - int seen; - - while( (c = (*(zGlob++)))!=0 ){ - if( IsSpace(c) ){ - if( !IsSpace(*z) ) return 0; - while( IsSpace(*zGlob) ) zGlob++; - while( IsSpace(*z) ) z++; - }else if( c=='*' ){ - while( (c=(*(zGlob++))) == '*' || c=='?' ){ - if( c=='?' && (*(z++))==0 ) return 0; - } - if( c==0 ){ - return 1; - }else if( c=='[' ){ - while( *z && testcase_glob(zGlob-1,z)==0 ){ - z++; - } - return (*z)!=0; - } - while( (c2 = (*(z++)))!=0 ){ - while( c2!=c ){ - c2 = *(z++); - if( c2==0 ) return 0; - } - if( testcase_glob(zGlob,z) ) return 1; - } - return 0; - }else if( c=='?' ){ - if( (*(z++))==0 ) return 0; - }else if( c=='[' ){ - int prior_c = 0; - seen = 0; - invert = 0; - c = *(z++); - if( c==0 ) return 0; - c2 = *(zGlob++); - if( c2=='^' ){ - invert = 1; - c2 = *(zGlob++); - } - if( c2==']' ){ - if( c==']' ) seen = 1; - c2 = *(zGlob++); - } - while( c2 && c2!=']' ){ - if( c2=='-' && zGlob[0]!=']' && zGlob[0]!=0 && prior_c>0 ){ - c2 = *(zGlob++); - if( c>=prior_c && c<=c2 ) seen = 1; - prior_c = 0; - }else{ - if( c==c2 ){ - seen = 1; - } - prior_c = c2; - } - c2 = *(zGlob++); - } - if( c2==0 || (seen ^ invert)==0 ) return 0; - }else if( c=='#' ){ - if( (z[0]=='-' || z[0]=='+') && IsDigit(z[1]) ) z++; - if( !IsDigit(z[0]) ) return 0; - z++; - while( IsDigit(z[0]) ){ z++; } - }else{ - if( c!=(*(z++)) ) return 0; - } - } - while( IsSpace(*z) ){ z++; } - return *z==0; -} - - -/* -** Compare the string as a command-line option with either one or two -** initial "-" characters. -*/ -static int optionMatch(const char *zStr, const char *zOpt){ - if( zStr[0]!='-' ) return 0; - zStr++; - if( zStr[0]=='-' ) zStr++; - return strcmp(zStr, zOpt)==0; -} - -/* -** Delete a file. -*/ -int shellDeleteFile(const char *zFilename){ - int rc; -#ifdef _WIN32 - wchar_t *z = sqlite3_win32_utf8_to_unicode(zFilename); - rc = _wunlink(z); - sqlite3_free(z); -#else - rc = unlink(zFilename); -#endif - return rc; -} - -/* -** Try to delete the temporary file (if there is one) and free the -** memory used to hold the name of the temp file. -*/ -static void clearTempFile(ShellState *p){ - if( p->zTempFile==0 ) return; - if( p->doXdgOpen ) return; - if( shellDeleteFile(p->zTempFile) ) return; - sqlite3_free(p->zTempFile); - p->zTempFile = 0; -} - -/* -** Create a new temp file name with the given suffix. -*/ -static void newTempFile(ShellState *p, const char *zSuffix){ - clearTempFile(p); - sqlite3_free(p->zTempFile); - p->zTempFile = 0; - if( p->db ){ - sqlite3_file_control(p->db, 0, SQLITE_FCNTL_TEMPFILENAME, &p->zTempFile); - } - if( p->zTempFile==0 ){ - sqlite3_uint64 r; - sqlite3_randomness(sizeof(r), &r); - p->zTempFile = sqlite3_mprintf("temp%llx.%s", r, zSuffix); - }else{ - p->zTempFile = sqlite3_mprintf("%z.%s", p->zTempFile, zSuffix); - } - if( p->zTempFile==0 ){ - raw_printf(stderr, "out of memory\n"); - exit(1); - } -} - - -/* -** The implementation of SQL scalar function fkey_collate_clause(), used -** by the ".lint fkey-indexes" command. This scalar function is always -** called with four arguments - the parent table name, the parent column name, -** the child table name and the child column name. -** -** fkey_collate_clause('parent-tab', 'parent-col', 'child-tab', 'child-col') -** -** If either of the named tables or columns do not exist, this function -** returns an empty string. An empty string is also returned if both tables -** and columns exist but have the same default collation sequence. Or, -** if both exist but the default collation sequences are different, this -** function returns the string " COLLATE <parent-collation>", where -** <parent-collation> is the default collation sequence of the parent column. -*/ -static void shellFkeyCollateClause( - sqlite3_context *pCtx, - int nVal, - sqlite3_value **apVal -){ - sqlite3 *db = sqlite3_context_db_handle(pCtx); - const char *zParent; - const char *zParentCol; - const char *zParentSeq; - const char *zChild; - const char *zChildCol; - const char *zChildSeq = 0; /* Initialize to avoid false-positive warning */ - int rc; - - assert( nVal==4 ); - zParent = (const char*)sqlite3_value_text(apVal[0]); - zParentCol = (const char*)sqlite3_value_text(apVal[1]); - zChild = (const char*)sqlite3_value_text(apVal[2]); - zChildCol = (const char*)sqlite3_value_text(apVal[3]); - - sqlite3_result_text(pCtx, "", -1, SQLITE_STATIC); - rc = sqlite3_table_column_metadata( - db, "main", zParent, zParentCol, 0, &zParentSeq, 0, 0, 0 - ); - if( rc==SQLITE_OK ){ - rc = sqlite3_table_column_metadata( - db, "main", zChild, zChildCol, 0, &zChildSeq, 0, 0, 0 - ); - } - - if( rc==SQLITE_OK && sqlite3_stricmp(zParentSeq, zChildSeq) ){ - char *z = sqlite3_mprintf(" COLLATE %s", zParentSeq); - sqlite3_result_text(pCtx, z, -1, SQLITE_TRANSIENT); - sqlite3_free(z); - } -} - - -/* -** The implementation of dot-command ".lint fkey-indexes". -*/ -static int lintFkeyIndexes( - ShellState *pState, /* Current shell tool state */ - char **azArg, /* Array of arguments passed to dot command */ - int nArg /* Number of entries in azArg[] */ -){ - sqlite3 *db = pState->db; /* Database handle to query "main" db of */ - FILE *out = pState->out; /* Stream to write non-error output to */ - int bVerbose = 0; /* If -verbose is present */ - int bGroupByParent = 0; /* If -groupbyparent is present */ - int i; /* To iterate through azArg[] */ - const char *zIndent = ""; /* How much to indent CREATE INDEX by */ - int rc; /* Return code */ - sqlite3_stmt *pSql = 0; /* Compiled version of SQL statement below */ - - /* - ** This SELECT statement returns one row for each foreign key constraint - ** in the schema of the main database. The column values are: - ** - ** 0. The text of an SQL statement similar to: - ** - ** "EXPLAIN QUERY PLAN SELECT 1 FROM child_table WHERE child_key=?" - ** - ** This SELECT is similar to the one that the foreign keys implementation - ** needs to run internally on child tables. If there is an index that can - ** be used to optimize this query, then it can also be used by the FK - ** implementation to optimize DELETE or UPDATE statements on the parent - ** table. - ** - ** 1. A GLOB pattern suitable for sqlite3_strglob(). If the plan output by - ** the EXPLAIN QUERY PLAN command matches this pattern, then the schema - ** contains an index that can be used to optimize the query. - ** - ** 2. Human readable text that describes the child table and columns. e.g. - ** - ** "child_table(child_key1, child_key2)" - ** - ** 3. Human readable text that describes the parent table and columns. e.g. - ** - ** "parent_table(parent_key1, parent_key2)" - ** - ** 4. A full CREATE INDEX statement for an index that could be used to - ** optimize DELETE or UPDATE statements on the parent table. e.g. - ** - ** "CREATE INDEX child_table_child_key ON child_table(child_key)" - ** - ** 5. The name of the parent table. - ** - ** These six values are used by the C logic below to generate the report. - */ - const char *zSql = - "SELECT " - " 'EXPLAIN QUERY PLAN SELECT 1 FROM ' || quote(s.name) || ' WHERE '" - " || group_concat(quote(s.name) || '.' || quote(f.[from]) || '=?' " - " || fkey_collate_clause(" - " f.[table], COALESCE(f.[to], p.[name]), s.name, f.[from]),' AND ')" - ", " - " 'SEARCH TABLE ' || s.name || ' USING COVERING INDEX*('" - " || group_concat('*=?', ' AND ') || ')'" - ", " - " s.name || '(' || group_concat(f.[from], ', ') || ')'" - ", " - " f.[table] || '(' || group_concat(COALESCE(f.[to], p.[name])) || ')'" - ", " - " 'CREATE INDEX ' || quote(s.name ||'_'|| group_concat(f.[from], '_'))" - " || ' ON ' || quote(s.name) || '('" - " || group_concat(quote(f.[from]) ||" - " fkey_collate_clause(" - " f.[table], COALESCE(f.[to], p.[name]), s.name, f.[from]), ', ')" - " || ');'" - ", " - " f.[table] " - "FROM sqlite_master AS s, pragma_foreign_key_list(s.name) AS f " - "LEFT JOIN pragma_table_info AS p ON (pk-1=seq AND p.arg=f.[table]) " - "GROUP BY s.name, f.id " - "ORDER BY (CASE WHEN ? THEN f.[table] ELSE s.name END)" - ; - const char *zGlobIPK = "SEARCH TABLE * USING INTEGER PRIMARY KEY (rowid=?)"; - - for(i=2; i<nArg; i++){ - int n = strlen30(azArg[i]); - if( n>1 && sqlite3_strnicmp("-verbose", azArg[i], n)==0 ){ - bVerbose = 1; - } - else if( n>1 && sqlite3_strnicmp("-groupbyparent", azArg[i], n)==0 ){ - bGroupByParent = 1; - zIndent = " "; - } - else{ - raw_printf(stderr, "Usage: %s %s ?-verbose? ?-groupbyparent?\n", - azArg[0], azArg[1] - ); - return SQLITE_ERROR; - } - } - - /* Register the fkey_collate_clause() SQL function */ - rc = sqlite3_create_function(db, "fkey_collate_clause", 4, SQLITE_UTF8, - 0, shellFkeyCollateClause, 0, 0 - ); - - - if( rc==SQLITE_OK ){ - rc = sqlite3_prepare_v2(db, zSql, -1, &pSql, 0); - } - if( rc==SQLITE_OK ){ - sqlite3_bind_int(pSql, 1, bGroupByParent); - } - - if( rc==SQLITE_OK ){ - int rc2; - char *zPrev = 0; - while( SQLITE_ROW==sqlite3_step(pSql) ){ - int res = -1; - sqlite3_stmt *pExplain = 0; - const char *zEQP = (const char*)sqlite3_column_text(pSql, 0); - const char *zGlob = (const char*)sqlite3_column_text(pSql, 1); - const char *zFrom = (const char*)sqlite3_column_text(pSql, 2); - const char *zTarget = (const char*)sqlite3_column_text(pSql, 3); - const char *zCI = (const char*)sqlite3_column_text(pSql, 4); - const char *zParent = (const char*)sqlite3_column_text(pSql, 5); - - rc = sqlite3_prepare_v2(db, zEQP, -1, &pExplain, 0); - if( rc!=SQLITE_OK ) break; - if( SQLITE_ROW==sqlite3_step(pExplain) ){ - const char *zPlan = (const char*)sqlite3_column_text(pExplain, 3); - res = ( - 0==sqlite3_strglob(zGlob, zPlan) - || 0==sqlite3_strglob(zGlobIPK, zPlan) - ); - } - rc = sqlite3_finalize(pExplain); - if( rc!=SQLITE_OK ) break; - - if( res<0 ){ - raw_printf(stderr, "Error: internal error"); - break; - }else{ - if( bGroupByParent - && (bVerbose || res==0) - && (zPrev==0 || sqlite3_stricmp(zParent, zPrev)) - ){ - raw_printf(out, "-- Parent table %s\n", zParent); - sqlite3_free(zPrev); - zPrev = sqlite3_mprintf("%s", zParent); - } - - if( res==0 ){ - raw_printf(out, "%s%s --> %s\n", zIndent, zCI, zTarget); - }else if( bVerbose ){ - raw_printf(out, "%s/* no extra indexes required for %s -> %s */\n", - zIndent, zFrom, zTarget - ); - } - } - } - sqlite3_free(zPrev); - - if( rc!=SQLITE_OK ){ - raw_printf(stderr, "%s\n", sqlite3_errmsg(db)); - } - - rc2 = sqlite3_finalize(pSql); - if( rc==SQLITE_OK && rc2!=SQLITE_OK ){ - rc = rc2; - raw_printf(stderr, "%s\n", sqlite3_errmsg(db)); - } - }else{ - raw_printf(stderr, "%s\n", sqlite3_errmsg(db)); - } - - return rc; -} - -/* -** Implementation of ".lint" dot command. -*/ -static int lintDotCommand( - ShellState *pState, /* Current shell tool state */ - char **azArg, /* Array of arguments passed to dot command */ - int nArg /* Number of entries in azArg[] */ -){ - int n; - n = (nArg>=2 ? strlen30(azArg[1]) : 0); - if( n<1 || sqlite3_strnicmp(azArg[1], "fkey-indexes", n) ) goto usage; - return lintFkeyIndexes(pState, azArg, nArg); - - usage: - raw_printf(stderr, "Usage %s sub-command ?switches...?\n", azArg[0]); - raw_printf(stderr, "Where sub-commands are:\n"); - raw_printf(stderr, " fkey-indexes\n"); - return SQLITE_ERROR; -} - -#if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB) -/********************************************************************************* -** The ".archive" or ".ar" command. -*/ -static void shellPrepare( - sqlite3 *db, - int *pRc, - const char *zSql, - sqlite3_stmt **ppStmt -){ - *ppStmt = 0; - if( *pRc==SQLITE_OK ){ - int rc = sqlite3_prepare_v2(db, zSql, -1, ppStmt, 0); - if( rc!=SQLITE_OK ){ - raw_printf(stderr, "sql error: %s (%d)\n", - sqlite3_errmsg(db), sqlite3_errcode(db) - ); - *pRc = rc; - } - } -} - -static void shellPreparePrintf( - sqlite3 *db, - int *pRc, - sqlite3_stmt **ppStmt, - const char *zFmt, - ... -){ - *ppStmt = 0; - if( *pRc==SQLITE_OK ){ - va_list ap; - char *z; - va_start(ap, zFmt); - z = sqlite3_vmprintf(zFmt, ap); - if( z==0 ){ - *pRc = SQLITE_NOMEM; - }else{ - shellPrepare(db, pRc, z, ppStmt); - sqlite3_free(z); - } - } -} - -static void shellFinalize( - int *pRc, - sqlite3_stmt *pStmt -){ - if( pStmt ){ - sqlite3 *db = sqlite3_db_handle(pStmt); - int rc = sqlite3_finalize(pStmt); - if( *pRc==SQLITE_OK ){ - if( rc!=SQLITE_OK ){ - raw_printf(stderr, "SQL error: %s\n", sqlite3_errmsg(db)); - } - *pRc = rc; - } - } -} - -static void shellReset( - int *pRc, - sqlite3_stmt *pStmt -){ - int rc = sqlite3_reset(pStmt); - if( *pRc==SQLITE_OK ){ - if( rc!=SQLITE_OK ){ - sqlite3 *db = sqlite3_db_handle(pStmt); - raw_printf(stderr, "SQL error: %s\n", sqlite3_errmsg(db)); - } - *pRc = rc; - } -} -/* -** Structure representing a single ".ar" command. -*/ -typedef struct ArCommand ArCommand; -struct ArCommand { - u8 eCmd; /* An AR_CMD_* value */ - u8 bVerbose; /* True if --verbose */ - u8 bZip; /* True if the archive is a ZIP */ - u8 bDryRun; /* True if --dry-run */ - u8 bAppend; /* True if --append */ - u8 fromCmdLine; /* Run from -A instead of .archive */ - int nArg; /* Number of command arguments */ - char *zSrcTable; /* "sqlar", "zipfile($file)" or "zip" */ - const char *zFile; /* --file argument, or NULL */ - const char *zDir; /* --directory argument, or NULL */ - char **azArg; /* Array of command arguments */ - ShellState *p; /* Shell state */ - sqlite3 *db; /* Database containing the archive */ -}; - -/* -** Print a usage message for the .ar command to stderr and return SQLITE_ERROR. -*/ -static int arUsage(FILE *f){ - raw_printf(f, -"\n" -"Usage: .ar [OPTION...] [FILE...]\n" -"The .ar command manages sqlar archives.\n" -"\n" -"Examples:\n" -" .ar -cf archive.sar foo bar # Create archive.sar from files foo and bar\n" -" .ar -tf archive.sar # List members of archive.sar\n" -" .ar -xvf archive.sar # Verbosely extract files from archive.sar\n" -"\n" -"Each command line must feature exactly one command option:\n" -" -c, --create Create a new archive\n" -" -u, --update Update or add files to an existing archive\n" -" -t, --list List contents of archive\n" -" -x, --extract Extract files from archive\n" -"\n" -"And zero or more optional options:\n" -" -v, --verbose Print each filename as it is processed\n" -" -f FILE, --file FILE Operate on archive FILE (default is current db)\n" -" -a FILE, --append FILE Operate on FILE opened using the apndvfs VFS\n" -" -C DIR, --directory DIR Change to directory DIR to read/extract files\n" -" -n, --dryrun Show the SQL that would have occurred\n" -"\n" -"See also: http://sqlite.org/cli.html#sqlar_archive_support\n" -"\n" -); - return SQLITE_ERROR; -} - -/* -** Print an error message for the .ar command to stderr and return -** SQLITE_ERROR. -*/ -static int arErrorMsg(ArCommand *pAr, const char *zFmt, ...){ - va_list ap; - char *z; - va_start(ap, zFmt); - z = sqlite3_vmprintf(zFmt, ap); - va_end(ap); - utf8_printf(stderr, "Error: %s\n", z); - if( pAr->fromCmdLine ){ - utf8_printf(stderr, "Use \"-A\" for more help\n"); - }else{ - utf8_printf(stderr, "Use \".archive --help\" for more help\n"); - } - sqlite3_free(z); - return SQLITE_ERROR; -} - -/* -** Values for ArCommand.eCmd. -*/ -#define AR_CMD_CREATE 1 -#define AR_CMD_EXTRACT 2 -#define AR_CMD_LIST 3 -#define AR_CMD_UPDATE 4 -#define AR_CMD_HELP 5 - -/* -** Other (non-command) switches. -*/ -#define AR_SWITCH_VERBOSE 6 -#define AR_SWITCH_FILE 7 -#define AR_SWITCH_DIRECTORY 8 -#define AR_SWITCH_APPEND 9 -#define AR_SWITCH_DRYRUN 10 - -static int arProcessSwitch(ArCommand *pAr, int eSwitch, const char *zArg){ - switch( eSwitch ){ - case AR_CMD_CREATE: - case AR_CMD_EXTRACT: - case AR_CMD_LIST: - case AR_CMD_UPDATE: - case AR_CMD_HELP: - if( pAr->eCmd ){ - return arErrorMsg(pAr, "multiple command options"); - } - pAr->eCmd = eSwitch; - break; - - case AR_SWITCH_DRYRUN: - pAr->bDryRun = 1; - break; - case AR_SWITCH_VERBOSE: - pAr->bVerbose = 1; - break; - case AR_SWITCH_APPEND: - pAr->bAppend = 1; - /* Fall thru into --file */ - case AR_SWITCH_FILE: - pAr->zFile = zArg; - break; - case AR_SWITCH_DIRECTORY: - pAr->zDir = zArg; - break; - } - - return SQLITE_OK; -} - -/* -** Parse the command line for an ".ar" command. The results are written into -** structure (*pAr). SQLITE_OK is returned if the command line is parsed -** successfully, otherwise an error message is written to stderr and -** SQLITE_ERROR returned. -*/ -static int arParseCommand( - char **azArg, /* Array of arguments passed to dot command */ - int nArg, /* Number of entries in azArg[] */ - ArCommand *pAr /* Populate this object */ -){ - struct ArSwitch { - const char *zLong; - char cShort; - u8 eSwitch; - u8 bArg; - } aSwitch[] = { - { "create", 'c', AR_CMD_CREATE, 0 }, - { "extract", 'x', AR_CMD_EXTRACT, 0 }, - { "list", 't', AR_CMD_LIST, 0 }, - { "update", 'u', AR_CMD_UPDATE, 0 }, - { "help", 'h', AR_CMD_HELP, 0 }, - { "verbose", 'v', AR_SWITCH_VERBOSE, 0 }, - { "file", 'f', AR_SWITCH_FILE, 1 }, - { "append", 'a', AR_SWITCH_APPEND, 1 }, - { "directory", 'C', AR_SWITCH_DIRECTORY, 1 }, - { "dryrun", 'n', AR_SWITCH_DRYRUN, 0 }, - }; - int nSwitch = sizeof(aSwitch) / sizeof(struct ArSwitch); - struct ArSwitch *pEnd = &aSwitch[nSwitch]; - - if( nArg<=1 ){ - return arUsage(stderr); - }else{ - char *z = azArg[1]; - if( z[0]!='-' ){ - /* Traditional style [tar] invocation */ - int i; - int iArg = 2; - for(i=0; z[i]; i++){ - const char *zArg = 0; - struct ArSwitch *pOpt; - for(pOpt=&aSwitch[0]; pOpt<pEnd; pOpt++){ - if( z[i]==pOpt->cShort ) break; - } - if( pOpt==pEnd ){ - return arErrorMsg(pAr, "unrecognized option: %c", z[i]); - } - if( pOpt->bArg ){ - if( iArg>=nArg ){ - return arErrorMsg(pAr, "option requires an argument: %c",z[i]); - } - zArg = azArg[iArg++]; - } - if( arProcessSwitch(pAr, pOpt->eSwitch, zArg) ) return SQLITE_ERROR; - } - pAr->nArg = nArg-iArg; - if( pAr->nArg>0 ){ - pAr->azArg = &azArg[iArg]; - } - }else{ - /* Non-traditional invocation */ - int iArg; - for(iArg=1; iArg<nArg; iArg++){ - int n; - z = azArg[iArg]; - if( z[0]!='-' ){ - /* All remaining command line words are command arguments. */ - pAr->azArg = &azArg[iArg]; - pAr->nArg = nArg-iArg; - break; - } - n = strlen30(z); - - if( z[1]!='-' ){ - int i; - /* One or more short options */ - for(i=1; i<n; i++){ - const char *zArg = 0; - struct ArSwitch *pOpt; - for(pOpt=&aSwitch[0]; pOpt<pEnd; pOpt++){ - if( z[i]==pOpt->cShort ) break; - } - if( pOpt==pEnd ){ - return arErrorMsg(pAr, "unrecognized option: %c", z[i]); - } - if( pOpt->bArg ){ - if( i<(n-1) ){ - zArg = &z[i+1]; - i = n; - }else{ - if( iArg>=(nArg-1) ){ - return arErrorMsg(pAr, "option requires an argument: %c",z[i]); - } - zArg = azArg[++iArg]; - } - } - if( arProcessSwitch(pAr, pOpt->eSwitch, zArg) ) return SQLITE_ERROR; - } - }else if( z[2]=='\0' ){ - /* A -- option, indicating that all remaining command line words - ** are command arguments. */ - pAr->azArg = &azArg[iArg+1]; - pAr->nArg = nArg-iArg-1; - break; - }else{ - /* A long option */ - const char *zArg = 0; /* Argument for option, if any */ - struct ArSwitch *pMatch = 0; /* Matching option */ - struct ArSwitch *pOpt; /* Iterator */ - for(pOpt=&aSwitch[0]; pOpt<pEnd; pOpt++){ - const char *zLong = pOpt->zLong; - if( (n-2)<=strlen30(zLong) && 0==memcmp(&z[2], zLong, n-2) ){ - if( pMatch ){ - return arErrorMsg(pAr, "ambiguous option: %s",z); - }else{ - pMatch = pOpt; - } - } - } - - if( pMatch==0 ){ - return arErrorMsg(pAr, "unrecognized option: %s", z); - } - if( pMatch->bArg ){ - if( iArg>=(nArg-1) ){ - return arErrorMsg(pAr, "option requires an argument: %s", z); - } - zArg = azArg[++iArg]; - } - if( arProcessSwitch(pAr, pMatch->eSwitch, zArg) ) return SQLITE_ERROR; - } - } - } - } - - return SQLITE_OK; -} - -/* -** This function assumes that all arguments within the ArCommand.azArg[] -** array refer to archive members, as for the --extract or --list commands. -** It checks that each of them are present. If any specified file is not -** present in the archive, an error is printed to stderr and an error -** code returned. Otherwise, if all specified arguments are present in -** the archive, SQLITE_OK is returned. -** -** This function strips any trailing '/' characters from each argument. -** This is consistent with the way the [tar] command seems to work on -** Linux. -*/ -static int arCheckEntries(ArCommand *pAr){ - int rc = SQLITE_OK; - if( pAr->nArg ){ - int i, j; - sqlite3_stmt *pTest = 0; - - shellPreparePrintf(pAr->db, &rc, &pTest, - "SELECT name FROM %s WHERE name=$name", - pAr->zSrcTable - ); - j = sqlite3_bind_parameter_index(pTest, "$name"); - for(i=0; i<pAr->nArg && rc==SQLITE_OK; i++){ - char *z = pAr->azArg[i]; - int n = strlen30(z); - int bOk = 0; - while( n>0 && z[n-1]=='/' ) n--; - z[n] = '\0'; - sqlite3_bind_text(pTest, j, z, -1, SQLITE_STATIC); - if( SQLITE_ROW==sqlite3_step(pTest) ){ - bOk = 1; - } - shellReset(&rc, pTest); - if( rc==SQLITE_OK && bOk==0 ){ - utf8_printf(stderr, "not found in archive: %s\n", z); - rc = SQLITE_ERROR; - } - } - shellFinalize(&rc, pTest); - } - return rc; -} - -/* -** Format a WHERE clause that can be used against the "sqlar" table to -** identify all archive members that match the command arguments held -** in (*pAr). Leave this WHERE clause in (*pzWhere) before returning. -** The caller is responsible for eventually calling sqlite3_free() on -** any non-NULL (*pzWhere) value. -*/ -static void arWhereClause( - int *pRc, - ArCommand *pAr, - char **pzWhere /* OUT: New WHERE clause */ -){ - char *zWhere = 0; - if( *pRc==SQLITE_OK ){ - if( pAr->nArg==0 ){ - zWhere = sqlite3_mprintf("1"); - }else{ - int i; - const char *zSep = ""; - for(i=0; i<pAr->nArg; i++){ - const char *z = pAr->azArg[i]; - zWhere = sqlite3_mprintf( - "%z%s name = '%q' OR substr(name,1,%d) = '%q/'", - zWhere, zSep, z, strlen30(z)+1, z - ); - if( zWhere==0 ){ - *pRc = SQLITE_NOMEM; - break; - } - zSep = " OR "; - } - } - } - *pzWhere = zWhere; -} - -/* -** Implementation of .ar "lisT" command. -*/ -static int arListCommand(ArCommand *pAr){ - const char *zSql = "SELECT %s FROM %s WHERE %s"; - const char *azCols[] = { - "name", - "lsmode(mode), sz, datetime(mtime, 'unixepoch'), name" - }; - - char *zWhere = 0; - sqlite3_stmt *pSql = 0; - int rc; - - rc = arCheckEntries(pAr); - arWhereClause(&rc, pAr, &zWhere); - - shellPreparePrintf(pAr->db, &rc, &pSql, zSql, azCols[pAr->bVerbose], - pAr->zSrcTable, zWhere); - if( pAr->bDryRun ){ - utf8_printf(pAr->p->out, "%s\n", sqlite3_sql(pSql)); - }else{ - while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pSql) ){ - if( pAr->bVerbose ){ - utf8_printf(pAr->p->out, "%s % 10d %s %s\n", - sqlite3_column_text(pSql, 0), - sqlite3_column_int(pSql, 1), - sqlite3_column_text(pSql, 2), - sqlite3_column_text(pSql, 3) - ); - }else{ - utf8_printf(pAr->p->out, "%s\n", sqlite3_column_text(pSql, 0)); - } - } - } - shellFinalize(&rc, pSql); - sqlite3_free(zWhere); - return rc; -} - - -/* -** Implementation of .ar "eXtract" command. -*/ -static int arExtractCommand(ArCommand *pAr){ - const char *zSql1 = - "SELECT " - " ($dir || name)," - " writefile(($dir || name), %s, mode, mtime) " - "FROM %s WHERE (%s) AND (data IS NULL OR $dirOnly = 0)"; - - const char *azExtraArg[] = { - "sqlar_uncompress(data, sz)", - "data" - }; - - sqlite3_stmt *pSql = 0; - int rc = SQLITE_OK; - char *zDir = 0; - char *zWhere = 0; - int i, j; - - /* If arguments are specified, check that they actually exist within - ** the archive before proceeding. And formulate a WHERE clause to - ** match them. */ - rc = arCheckEntries(pAr); - arWhereClause(&rc, pAr, &zWhere); - - if( rc==SQLITE_OK ){ - if( pAr->zDir ){ - zDir = sqlite3_mprintf("%s/", pAr->zDir); - }else{ - zDir = sqlite3_mprintf(""); - } - if( zDir==0 ) rc = SQLITE_NOMEM; - } - - shellPreparePrintf(pAr->db, &rc, &pSql, zSql1, - azExtraArg[pAr->bZip], pAr->zSrcTable, zWhere - ); - - if( rc==SQLITE_OK ){ - j = sqlite3_bind_parameter_index(pSql, "$dir"); - sqlite3_bind_text(pSql, j, zDir, -1, SQLITE_STATIC); - - /* Run the SELECT statement twice. The first time, writefile() is called - ** for all archive members that should be extracted. The second time, - ** only for the directories. This is because the timestamps for - ** extracted directories must be reset after they are populated (as - ** populating them changes the timestamp). */ - for(i=0; i<2; i++){ - j = sqlite3_bind_parameter_index(pSql, "$dirOnly"); - sqlite3_bind_int(pSql, j, i); - if( pAr->bDryRun ){ - utf8_printf(pAr->p->out, "%s\n", sqlite3_sql(pSql)); - }else{ - while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pSql) ){ - if( i==0 && pAr->bVerbose ){ - utf8_printf(pAr->p->out, "%s\n", sqlite3_column_text(pSql, 0)); - } - } - } - shellReset(&rc, pSql); - } - shellFinalize(&rc, pSql); - } - - sqlite3_free(zDir); - sqlite3_free(zWhere); - return rc; -} - -/* -** Run the SQL statement in zSql. Or if doing a --dryrun, merely print it out. -*/ -static int arExecSql(ArCommand *pAr, const char *zSql){ - int rc; - if( pAr->bDryRun ){ - utf8_printf(pAr->p->out, "%s\n", zSql); - rc = SQLITE_OK; - }else{ - char *zErr = 0; - rc = sqlite3_exec(pAr->db, zSql, 0, 0, &zErr); - if( zErr ){ - utf8_printf(stdout, "ERROR: %s\n", zErr); - sqlite3_free(zErr); - } - } - return rc; -} - - -/* -** Implementation of .ar "create" and "update" commands. -** -** Create the "sqlar" table in the database if it does not already exist. -** Then add each file in the azFile[] array to the archive. Directories -** are added recursively. If argument bVerbose is non-zero, a message is -** printed on stdout for each file archived. -** -** The create command is the same as update, except that it drops -** any existing "sqlar" table before beginning. -*/ -static int arCreateOrUpdateCommand( - ArCommand *pAr, /* Command arguments and options */ - int bUpdate /* true for a --create. false for --update */ -){ - const char *zCreate = - "CREATE TABLE IF NOT EXISTS sqlar(\n" - " name TEXT PRIMARY KEY, -- name of the file\n" - " mode INT, -- access permissions\n" - " mtime INT, -- last modification time\n" - " sz INT, -- original file size\n" - " data BLOB -- compressed content\n" - ")"; - const char *zDrop = "DROP TABLE IF EXISTS sqlar"; - const char *zInsertFmt[2] = { - "REPLACE INTO %s(name,mode,mtime,sz,data)\n" - " SELECT\n" - " %s,\n" - " mode,\n" - " mtime,\n" - " CASE substr(lsmode(mode),1,1)\n" - " WHEN '-' THEN length(data)\n" - " WHEN 'd' THEN 0\n" - " ELSE -1 END,\n" - " sqlar_compress(data)\n" - " FROM fsdir(%Q,%Q)\n" - " WHERE lsmode(mode) NOT LIKE '?%%';", - "REPLACE INTO %s(name,mode,mtime,data)\n" - " SELECT\n" - " %s,\n" - " mode,\n" - " mtime,\n" - " data\n" - " FROM fsdir(%Q,%Q)\n" - " WHERE lsmode(mode) NOT LIKE '?%%';" - }; - int i; /* For iterating through azFile[] */ - int rc; /* Return code */ - const char *zTab = 0; /* SQL table into which to insert */ - char *zSql; - char zTemp[50]; - - arExecSql(pAr, "PRAGMA page_size=512"); - rc = arExecSql(pAr, "SAVEPOINT ar;"); - if( rc!=SQLITE_OK ) return rc; - zTemp[0] = 0; - if( pAr->bZip ){ - /* Initialize the zipfile virtual table, if necessary */ - if( pAr->zFile ){ - sqlite3_uint64 r; - sqlite3_randomness(sizeof(r),&r); - sqlite3_snprintf(sizeof(zTemp),zTemp,"zip%016llx",r); - zTab = zTemp; - zSql = sqlite3_mprintf( - "CREATE VIRTUAL TABLE temp.%s USING zipfile(%Q)", - zTab, pAr->zFile - ); - rc = arExecSql(pAr, zSql); - sqlite3_free(zSql); - }else{ - zTab = "zip"; - } - }else{ - /* Initialize the table for an SQLAR */ - zTab = "sqlar"; - if( bUpdate==0 ){ - rc = arExecSql(pAr, zDrop); - if( rc!=SQLITE_OK ) goto end_ar_transaction; - } - rc = arExecSql(pAr, zCreate); - } - for(i=0; i<pAr->nArg && rc==SQLITE_OK; i++){ - char *zSql2 = sqlite3_mprintf(zInsertFmt[pAr->bZip], zTab, - pAr->bVerbose ? "shell_putsnl(name)" : "name", - pAr->azArg[i], pAr->zDir); - rc = arExecSql(pAr, zSql2); - sqlite3_free(zSql2); - } -end_ar_transaction: - if( rc!=SQLITE_OK ){ - arExecSql(pAr, "ROLLBACK TO ar; RELEASE ar;"); - }else{ - rc = arExecSql(pAr, "RELEASE ar;"); - if( pAr->bZip && pAr->zFile ){ - zSql = sqlite3_mprintf("DROP TABLE %s", zTemp); - arExecSql(pAr, zSql); - sqlite3_free(zSql); - } - } - return rc; -} - -/* -** Implementation of ".ar" dot command. -*/ -static int arDotCommand( - ShellState *pState, /* Current shell tool state */ - int fromCmdLine, /* True if -A command-line option, not .ar cmd */ - char **azArg, /* Array of arguments passed to dot command */ - int nArg /* Number of entries in azArg[] */ -){ - ArCommand cmd; - int rc; - memset(&cmd, 0, sizeof(cmd)); - cmd.fromCmdLine = fromCmdLine; - rc = arParseCommand(azArg, nArg, &cmd); - if( rc==SQLITE_OK ){ - int eDbType = SHELL_OPEN_UNSPEC; - cmd.p = pState; - cmd.db = pState->db; - if( cmd.zFile ){ - eDbType = deduceDatabaseType(cmd.zFile, 1); - }else{ - eDbType = pState->openMode; - } - if( eDbType==SHELL_OPEN_ZIPFILE ){ - if( cmd.eCmd==AR_CMD_EXTRACT || cmd.eCmd==AR_CMD_LIST ){ - if( cmd.zFile==0 ){ - cmd.zSrcTable = sqlite3_mprintf("zip"); - }else{ - cmd.zSrcTable = sqlite3_mprintf("zipfile(%Q)", cmd.zFile); - } - } - cmd.bZip = 1; - }else if( cmd.zFile ){ - int flags; - if( cmd.bAppend ) eDbType = SHELL_OPEN_APPENDVFS; - if( cmd.eCmd==AR_CMD_CREATE || cmd.eCmd==AR_CMD_UPDATE ){ - flags = SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE; - }else{ - flags = SQLITE_OPEN_READONLY; - } - cmd.db = 0; - if( cmd.bDryRun ){ - utf8_printf(pState->out, "-- open database '%s'%s\n", cmd.zFile, - eDbType==SHELL_OPEN_APPENDVFS ? " using 'apndvfs'" : ""); - } - rc = sqlite3_open_v2(cmd.zFile, &cmd.db, flags, - eDbType==SHELL_OPEN_APPENDVFS ? "apndvfs" : 0); - if( rc!=SQLITE_OK ){ - utf8_printf(stderr, "cannot open file: %s (%s)\n", - cmd.zFile, sqlite3_errmsg(cmd.db) - ); - goto end_ar_command; - } - sqlite3_fileio_init(cmd.db, 0, 0); - sqlite3_sqlar_init(cmd.db, 0, 0); - sqlite3_create_function(cmd.db, "shell_putsnl", 1, SQLITE_UTF8, cmd.p, - shellPutsFunc, 0, 0); - - } - if( cmd.zSrcTable==0 && cmd.bZip==0 && cmd.eCmd!=AR_CMD_HELP ){ - if( cmd.eCmd!=AR_CMD_CREATE - && sqlite3_table_column_metadata(cmd.db,0,"sqlar","name",0,0,0,0,0) - ){ - utf8_printf(stderr, "database does not contain an 'sqlar' table\n"); - rc = SQLITE_ERROR; - goto end_ar_command; - } - cmd.zSrcTable = sqlite3_mprintf("sqlar"); - } - - switch( cmd.eCmd ){ - case AR_CMD_CREATE: - rc = arCreateOrUpdateCommand(&cmd, 0); - break; - - case AR_CMD_EXTRACT: - rc = arExtractCommand(&cmd); - break; - - case AR_CMD_LIST: - rc = arListCommand(&cmd); - break; - - case AR_CMD_HELP: - arUsage(pState->out); - break; - - default: - assert( cmd.eCmd==AR_CMD_UPDATE ); - rc = arCreateOrUpdateCommand(&cmd, 1); - break; - } - } -end_ar_command: - if( cmd.db!=pState->db ){ - close_db(cmd.db); - } - sqlite3_free(cmd.zSrcTable); - - return rc; -} -/* End of the ".archive" or ".ar" command logic -**********************************************************************************/ -#endif /* !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB) */ - - -/* -** If an input line begins with "." then invoke this routine to -** process that line. -** -** Return 1 on error, 2 to exit, and 0 otherwise. -*/ -static int do_meta_command(char *zLine, ShellState *p){ - int h = 1; - int nArg = 0; - int n, c; - int rc = 0; - char *azArg[50]; - -#ifndef SQLITE_OMIT_VIRTUALTABLE - if( p->expert.pExpert ){ - expertFinish(p, 1, 0); - } -#endif - - /* Parse the input line into tokens. - */ - while( zLine[h] && nArg<ArraySize(azArg) ){ - while( IsSpace(zLine[h]) ){ h++; } - if( zLine[h]==0 ) break; - if( zLine[h]=='\'' || zLine[h]=='"' ){ - int delim = zLine[h++]; - azArg[nArg++] = &zLine[h]; - while( zLine[h] && zLine[h]!=delim ){ - if( zLine[h]=='\\' && delim=='"' && zLine[h+1]!=0 ) h++; - h++; - } - if( zLine[h]==delim ){ - zLine[h++] = 0; - } - if( delim=='"' ) resolve_backslashes(azArg[nArg-1]); - }else{ - azArg[nArg++] = &zLine[h]; - while( zLine[h] && !IsSpace(zLine[h]) ){ h++; } - if( zLine[h] ) zLine[h++] = 0; - resolve_backslashes(azArg[nArg-1]); - } - } - - /* Process the input line. - */ - if( nArg==0 ) return 0; /* no tokens, no error */ - n = strlen30(azArg[0]); - c = azArg[0][0]; - clearTempFile(p); - -#ifndef SQLITE_OMIT_AUTHORIZATION - if( c=='a' && strncmp(azArg[0], "auth", n)==0 ){ - if( nArg!=2 ){ - raw_printf(stderr, "Usage: .auth ON|OFF\n"); - rc = 1; - goto meta_command_exit; - } - open_db(p, 0); - if( booleanValue(azArg[1]) ){ - sqlite3_set_authorizer(p->db, shellAuth, p); - }else{ - sqlite3_set_authorizer(p->db, 0, 0); - } - }else -#endif - -#if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB) - if( c=='a' && strncmp(azArg[0], "archive", n)==0 ){ - open_db(p, 0); - rc = arDotCommand(p, 0, azArg, nArg); - }else -#endif - - if( (c=='b' && n>=3 && strncmp(azArg[0], "backup", n)==0) - || (c=='s' && n>=3 && strncmp(azArg[0], "save", n)==0) - ){ - const char *zDestFile = 0; - const char *zDb = 0; - sqlite3 *pDest; - sqlite3_backup *pBackup; - int j; - const char *zVfs = 0; - for(j=1; j<nArg; j++){ - const char *z = azArg[j]; - if( z[0]=='-' ){ - if( z[1]=='-' ) z++; - if( strcmp(z, "-append")==0 ){ - zVfs = "apndvfs"; - }else - { - utf8_printf(stderr, "unknown option: %s\n", azArg[j]); - return 1; - } - }else if( zDestFile==0 ){ - zDestFile = azArg[j]; - }else if( zDb==0 ){ - zDb = zDestFile; - zDestFile = azArg[j]; - }else{ - raw_printf(stderr, "Usage: .backup ?DB? ?--append? FILENAME\n"); - return 1; - } - } - if( zDestFile==0 ){ - raw_printf(stderr, "missing FILENAME argument on .backup\n"); - return 1; - } - if( zDb==0 ) zDb = "main"; - rc = sqlite3_open_v2(zDestFile, &pDest, - SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE, zVfs); - if( rc!=SQLITE_OK ){ - utf8_printf(stderr, "Error: cannot open \"%s\"\n", zDestFile); - close_db(pDest); - return 1; - } - open_db(p, 0); - pBackup = sqlite3_backup_init(pDest, "main", p->db, zDb); - if( pBackup==0 ){ - utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(pDest)); - close_db(pDest); - return 1; - } - while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK ){} - sqlite3_backup_finish(pBackup); - if( rc==SQLITE_DONE ){ - rc = 0; - }else{ - utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(pDest)); - rc = 1; - } - close_db(pDest); - }else - - if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 ){ - if( nArg==2 ){ - bail_on_error = booleanValue(azArg[1]); - }else{ - raw_printf(stderr, "Usage: .bail on|off\n"); - rc = 1; - } - }else - - if( c=='b' && n>=3 && strncmp(azArg[0], "binary", n)==0 ){ - if( nArg==2 ){ - if( booleanValue(azArg[1]) ){ - setBinaryMode(p->out, 1); - }else{ - setTextMode(p->out, 1); - } - }else{ - raw_printf(stderr, "Usage: .binary on|off\n"); - rc = 1; - } - }else - - if( c=='c' && strcmp(azArg[0],"cd")==0 ){ - if( nArg==2 ){ -#if defined(_WIN32) || defined(WIN32) - wchar_t *z = sqlite3_win32_utf8_to_unicode(azArg[1]); - rc = !SetCurrentDirectoryW(z); - sqlite3_free(z); -#else - rc = chdir(azArg[1]); -#endif - if( rc ){ - utf8_printf(stderr, "Cannot change to directory \"%s\"\n", azArg[1]); - rc = 1; - } - }else{ - raw_printf(stderr, "Usage: .cd DIRECTORY\n"); - rc = 1; - } - }else - - /* The undocumented ".breakpoint" command causes a call to the no-op - ** routine named test_breakpoint(). - */ - if( c=='b' && n>=3 && strncmp(azArg[0], "breakpoint", n)==0 ){ - test_breakpoint(); - }else - - if( c=='c' && n>=3 && strncmp(azArg[0], "changes", n)==0 ){ - if( nArg==2 ){ - setOrClearFlag(p, SHFLG_CountChanges, azArg[1]); - }else{ - raw_printf(stderr, "Usage: .changes on|off\n"); - rc = 1; - } - }else - - /* Cancel output redirection, if it is currently set (by .testcase) - ** Then read the content of the testcase-out.txt file and compare against - ** azArg[1]. If there are differences, report an error and exit. - */ - if( c=='c' && n>=3 && strncmp(azArg[0], "check", n)==0 ){ - char *zRes = 0; - output_reset(p); - if( nArg!=2 ){ - raw_printf(stderr, "Usage: .check GLOB-PATTERN\n"); - rc = 2; - }else if( (zRes = readFile("testcase-out.txt", 0))==0 ){ - raw_printf(stderr, "Error: cannot read 'testcase-out.txt'\n"); - rc = 2; - }else if( testcase_glob(azArg[1],zRes)==0 ){ - utf8_printf(stderr, - "testcase-%s FAILED\n Expected: [%s]\n Got: [%s]\n", - p->zTestcase, azArg[1], zRes); - rc = 1; - }else{ - utf8_printf(stdout, "testcase-%s ok\n", p->zTestcase); - p->nCheck++; - } - sqlite3_free(zRes); - }else - - if( c=='c' && strncmp(azArg[0], "clone", n)==0 ){ - if( nArg==2 ){ - tryToClone(p, azArg[1]); - }else{ - raw_printf(stderr, "Usage: .clone FILENAME\n"); - rc = 1; - } - }else - - if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 ){ - ShellState data; - char *zErrMsg = 0; - open_db(p, 0); - memcpy(&data, p, sizeof(data)); - data.showHeader = 0; - data.cMode = data.mode = MODE_List; - sqlite3_snprintf(sizeof(data.colSeparator),data.colSeparator,": "); - data.cnt = 0; - sqlite3_exec(p->db, "SELECT name, file FROM pragma_database_list", - callback, &data, &zErrMsg); - if( zErrMsg ){ - utf8_printf(stderr,"Error: %s\n", zErrMsg); - sqlite3_free(zErrMsg); - rc = 1; - } - }else - - if( c=='d' && n>=3 && strncmp(azArg[0], "dbconfig", n)==0 ){ - static const struct DbConfigChoices {const char *zName; int op;} aDbConfig[] = { - { "enable_fkey", SQLITE_DBCONFIG_ENABLE_FKEY }, - { "enable_trigger", SQLITE_DBCONFIG_ENABLE_TRIGGER }, - { "fts3_tokenizer", SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER }, - { "load_extension", SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION }, - { "no_ckpt_on_close", SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE }, - { "enable_qpsg", SQLITE_DBCONFIG_ENABLE_QPSG }, - { "trigger_eqp", SQLITE_DBCONFIG_TRIGGER_EQP }, - { "reset_database", SQLITE_DBCONFIG_RESET_DATABASE }, - }; - int ii, v; - open_db(p, 0); - for(ii=0; ii<ArraySize(aDbConfig); ii++){ - if( nArg>1 && strcmp(azArg[1], aDbConfig[ii].zName)!=0 ) continue; - if( nArg>=3 ){ - sqlite3_db_config(p->db, aDbConfig[ii].op, booleanValue(azArg[2]), 0); - } - sqlite3_db_config(p->db, aDbConfig[ii].op, -1, &v); - utf8_printf(p->out, "%18s %s\n", aDbConfig[ii].zName, v ? "on" : "off"); - if( nArg>1 ) break; - } - if( nArg>1 && ii==ArraySize(aDbConfig) ){ - utf8_printf(stderr, "Error: unknown dbconfig \"%s\"\n", azArg[1]); - utf8_printf(stderr, "Enter \".dbconfig\" with no arguments for a list\n"); - } - }else - - if( c=='d' && n>=3 && strncmp(azArg[0], "dbinfo", n)==0 ){ - rc = shell_dbinfo_command(p, nArg, azArg); - }else - - if( c=='d' && strncmp(azArg[0], "dump", n)==0 ){ - const char *zLike = 0; - int i; - int savedShowHeader = p->showHeader; - ShellClearFlag(p, SHFLG_PreserveRowid|SHFLG_Newlines); - for(i=1; i<nArg; i++){ - if( azArg[i][0]=='-' ){ - const char *z = azArg[i]+1; - if( z[0]=='-' ) z++; - if( strcmp(z,"preserve-rowids")==0 ){ -#ifdef SQLITE_OMIT_VIRTUALTABLE - raw_printf(stderr, "The --preserve-rowids option is not compatible" - " with SQLITE_OMIT_VIRTUALTABLE\n"); - rc = 1; - goto meta_command_exit; -#else - ShellSetFlag(p, SHFLG_PreserveRowid); -#endif - }else - if( strcmp(z,"newlines")==0 ){ - ShellSetFlag(p, SHFLG_Newlines); - }else - { - raw_printf(stderr, "Unknown option \"%s\" on \".dump\"\n", azArg[i]); - rc = 1; - goto meta_command_exit; - } - }else if( zLike ){ - raw_printf(stderr, "Usage: .dump ?--preserve-rowids? " - "?--newlines? ?LIKE-PATTERN?\n"); - rc = 1; - goto meta_command_exit; - }else{ - zLike = azArg[i]; - } - } - open_db(p, 0); - /* When playing back a "dump", the content might appear in an order - ** which causes immediate foreign key constraints to be violated. - ** So disable foreign-key constraint enforcement to prevent problems. */ - raw_printf(p->out, "PRAGMA foreign_keys=OFF;\n"); - raw_printf(p->out, "BEGIN TRANSACTION;\n"); - p->writableSchema = 0; - p->showHeader = 0; - /* Set writable_schema=ON since doing so forces SQLite to initialize - ** as much of the schema as it can even if the sqlite_master table is - ** corrupt. */ - sqlite3_exec(p->db, "SAVEPOINT dump; PRAGMA writable_schema=ON", 0, 0, 0); - p->nErr = 0; - if( zLike==0 ){ - run_schema_dump_query(p, - "SELECT name, type, sql FROM sqlite_master " - "WHERE sql NOT NULL AND type=='table' AND name!='sqlite_sequence'" - ); - run_schema_dump_query(p, - "SELECT name, type, sql FROM sqlite_master " - "WHERE name=='sqlite_sequence'" - ); - run_table_dump_query(p, - "SELECT sql FROM sqlite_master " - "WHERE sql NOT NULL AND type IN ('index','trigger','view')", 0 - ); - }else{ - char *zSql; - zSql = sqlite3_mprintf( - "SELECT name, type, sql FROM sqlite_master " - "WHERE tbl_name LIKE %Q AND type=='table'" - " AND sql NOT NULL", zLike); - run_schema_dump_query(p,zSql); - sqlite3_free(zSql); - zSql = sqlite3_mprintf( - "SELECT sql FROM sqlite_master " - "WHERE sql NOT NULL" - " AND type IN ('index','trigger','view')" - " AND tbl_name LIKE %Q", zLike); - run_table_dump_query(p, zSql, 0); - sqlite3_free(zSql); - } - if( p->writableSchema ){ - raw_printf(p->out, "PRAGMA writable_schema=OFF;\n"); - p->writableSchema = 0; - } - sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0); - sqlite3_exec(p->db, "RELEASE dump;", 0, 0, 0); - raw_printf(p->out, p->nErr ? "ROLLBACK; -- due to errors\n" : "COMMIT;\n"); - p->showHeader = savedShowHeader; - }else - - if( c=='e' && strncmp(azArg[0], "echo", n)==0 ){ - if( nArg==2 ){ - setOrClearFlag(p, SHFLG_Echo, azArg[1]); - }else{ - raw_printf(stderr, "Usage: .echo on|off\n"); - rc = 1; - } - }else - - if( c=='e' && strncmp(azArg[0], "eqp", n)==0 ){ - if( nArg==2 ){ - p->autoEQPtest = 0; - if( strcmp(azArg[1],"full")==0 ){ - p->autoEQP = AUTOEQP_full; - }else if( strcmp(azArg[1],"trigger")==0 ){ - p->autoEQP = AUTOEQP_trigger; - }else if( strcmp(azArg[1],"test")==0 ){ - p->autoEQP = AUTOEQP_on; - p->autoEQPtest = 1; - }else{ - p->autoEQP = (u8)booleanValue(azArg[1]); - } - }else{ - raw_printf(stderr, "Usage: .eqp off|on|trigger|full\n"); - rc = 1; - } - }else - - if( c=='e' && strncmp(azArg[0], "exit", n)==0 ){ - if( nArg>1 && (rc = (int)integerValue(azArg[1]))!=0 ) exit(rc); - rc = 2; - }else - - /* The ".explain" command is automatic now. It is largely pointless. It - ** retained purely for backwards compatibility */ - if( c=='e' && strncmp(azArg[0], "explain", n)==0 ){ - int val = 1; - if( nArg>=2 ){ - if( strcmp(azArg[1],"auto")==0 ){ - val = 99; - }else{ - val = booleanValue(azArg[1]); - } - } - if( val==1 && p->mode!=MODE_Explain ){ - p->normalMode = p->mode; - p->mode = MODE_Explain; - p->autoExplain = 0; - }else if( val==0 ){ - if( p->mode==MODE_Explain ) p->mode = p->normalMode; - p->autoExplain = 0; - }else if( val==99 ){ - if( p->mode==MODE_Explain ) p->mode = p->normalMode; - p->autoExplain = 1; - } - }else - -#ifndef SQLITE_OMIT_VIRTUALTABLE - if( c=='e' && strncmp(azArg[0], "expert", n)==0 ){ - open_db(p, 0); - expertDotCommand(p, azArg, nArg); - }else -#endif - - if( c=='f' && strncmp(azArg[0], "fullschema", n)==0 ){ - ShellState data; - char *zErrMsg = 0; - int doStats = 0; - memcpy(&data, p, sizeof(data)); - data.showHeader = 0; - data.cMode = data.mode = MODE_Semi; - if( nArg==2 && optionMatch(azArg[1], "indent") ){ - data.cMode = data.mode = MODE_Pretty; - nArg = 1; - } - if( nArg!=1 ){ - raw_printf(stderr, "Usage: .fullschema ?--indent?\n"); - rc = 1; - goto meta_command_exit; - } - open_db(p, 0); - rc = sqlite3_exec(p->db, - "SELECT sql FROM" - " (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x" - " FROM sqlite_master UNION ALL" - " SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) " - "WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%' " - "ORDER BY rowid", - callback, &data, &zErrMsg - ); - if( rc==SQLITE_OK ){ - sqlite3_stmt *pStmt; - rc = sqlite3_prepare_v2(p->db, - "SELECT rowid FROM sqlite_master" - " WHERE name GLOB 'sqlite_stat[134]'", - -1, &pStmt, 0); - doStats = sqlite3_step(pStmt)==SQLITE_ROW; - sqlite3_finalize(pStmt); - } - if( doStats==0 ){ - raw_printf(p->out, "/* No STAT tables available */\n"); - }else{ - raw_printf(p->out, "ANALYZE sqlite_master;\n"); - sqlite3_exec(p->db, "SELECT 'ANALYZE sqlite_master'", - callback, &data, &zErrMsg); - data.cMode = data.mode = MODE_Insert; - data.zDestTable = "sqlite_stat1"; - shell_exec(&data, "SELECT * FROM sqlite_stat1", &zErrMsg); - data.zDestTable = "sqlite_stat3"; - shell_exec(&data, "SELECT * FROM sqlite_stat3", &zErrMsg); - data.zDestTable = "sqlite_stat4"; - shell_exec(&data, "SELECT * FROM sqlite_stat4", &zErrMsg); - raw_printf(p->out, "ANALYZE sqlite_master;\n"); - } - }else - - if( c=='h' && strncmp(azArg[0], "headers", n)==0 ){ - if( nArg==2 ){ - p->showHeader = booleanValue(azArg[1]); - }else{ - raw_printf(stderr, "Usage: .headers on|off\n"); - rc = 1; - } - }else - - if( c=='h' && strncmp(azArg[0], "help", n)==0 ){ - utf8_printf(p->out, "%s", zHelp); - }else - - if( c=='i' && strncmp(azArg[0], "import", n)==0 ){ - char *zTable; /* Insert data into this table */ - char *zFile; /* Name of file to extra content from */ - sqlite3_stmt *pStmt = NULL; /* A statement */ - int nCol; /* Number of columns in the table */ - int nByte; /* Number of bytes in an SQL string */ - int i, j; /* Loop counters */ - int needCommit; /* True to COMMIT or ROLLBACK at end */ - int nSep; /* Number of bytes in p->colSeparator[] */ - char *zSql; /* An SQL statement */ - ImportCtx sCtx; /* Reader context */ - char *(SQLITE_CDECL *xRead)(ImportCtx*); /* Func to read one value */ - int (SQLITE_CDECL *xCloser)(FILE*); /* Func to close file */ - - if( nArg!=3 ){ - raw_printf(stderr, "Usage: .import FILE TABLE\n"); - goto meta_command_exit; - } - zFile = azArg[1]; - zTable = azArg[2]; - seenInterrupt = 0; - memset(&sCtx, 0, sizeof(sCtx)); - open_db(p, 0); - nSep = strlen30(p->colSeparator); - if( nSep==0 ){ - raw_printf(stderr, - "Error: non-null column separator required for import\n"); - return 1; - } - if( nSep>1 ){ - raw_printf(stderr, "Error: multi-character column separators not allowed" - " for import\n"); - return 1; - } - nSep = strlen30(p->rowSeparator); - if( nSep==0 ){ - raw_printf(stderr, "Error: non-null row separator required for import\n"); - return 1; - } - if( nSep==2 && p->mode==MODE_Csv && strcmp(p->rowSeparator, SEP_CrLf)==0 ){ - /* When importing CSV (only), if the row separator is set to the - ** default output row separator, change it to the default input - ** row separator. This avoids having to maintain different input - ** and output row separators. */ - sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row); - nSep = strlen30(p->rowSeparator); - } - if( nSep>1 ){ - raw_printf(stderr, "Error: multi-character row separators not allowed" - " for import\n"); - return 1; - } - sCtx.zFile = zFile; - sCtx.nLine = 1; - if( sCtx.zFile[0]=='|' ){ -#ifdef SQLITE_OMIT_POPEN - raw_printf(stderr, "Error: pipes are not supported in this OS\n"); - return 1; -#else - sCtx.in = popen(sCtx.zFile+1, "r"); - sCtx.zFile = "<pipe>"; - xCloser = pclose; -#endif - }else{ - sCtx.in = fopen(sCtx.zFile, "rb"); - xCloser = fclose; - } - if( p->mode==MODE_Ascii ){ - xRead = ascii_read_one_field; - }else{ - xRead = csv_read_one_field; - } - if( sCtx.in==0 ){ - utf8_printf(stderr, "Error: cannot open \"%s\"\n", zFile); - return 1; - } - sCtx.cColSep = p->colSeparator[0]; - sCtx.cRowSep = p->rowSeparator[0]; - zSql = sqlite3_mprintf("SELECT * FROM %s", zTable); - if( zSql==0 ){ - xCloser(sCtx.in); - shell_out_of_memory(); - } - nByte = strlen30(zSql); - rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); - import_append_char(&sCtx, 0); /* To ensure sCtx.z is allocated */ - if( rc && sqlite3_strglob("no such table: *", sqlite3_errmsg(p->db))==0 ){ - char *zCreate = sqlite3_mprintf("CREATE TABLE %s", zTable); - char cSep = '('; - while( xRead(&sCtx) ){ - zCreate = sqlite3_mprintf("%z%c\n \"%w\" TEXT", zCreate, cSep, sCtx.z); - cSep = ','; - if( sCtx.cTerm!=sCtx.cColSep ) break; - } - if( cSep=='(' ){ - sqlite3_free(zCreate); - sqlite3_free(sCtx.z); - xCloser(sCtx.in); - utf8_printf(stderr,"%s: empty file\n", sCtx.zFile); - return 1; - } - zCreate = sqlite3_mprintf("%z\n)", zCreate); - rc = sqlite3_exec(p->db, zCreate, 0, 0, 0); - sqlite3_free(zCreate); - if( rc ){ - utf8_printf(stderr, "CREATE TABLE %s(...) failed: %s\n", zTable, - sqlite3_errmsg(p->db)); - sqlite3_free(sCtx.z); - xCloser(sCtx.in); - return 1; - } - rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); - } - sqlite3_free(zSql); - if( rc ){ - if (pStmt) sqlite3_finalize(pStmt); - utf8_printf(stderr,"Error: %s\n", sqlite3_errmsg(p->db)); - xCloser(sCtx.in); - return 1; - } - nCol = sqlite3_column_count(pStmt); - sqlite3_finalize(pStmt); - pStmt = 0; - if( nCol==0 ) return 0; /* no columns, no error */ - zSql = sqlite3_malloc64( nByte*2 + 20 + nCol*2 ); - if( zSql==0 ){ - xCloser(sCtx.in); - shell_out_of_memory(); - } - sqlite3_snprintf(nByte+20, zSql, "INSERT INTO \"%w\" VALUES(?", zTable); - j = strlen30(zSql); - for(i=1; i<nCol; i++){ - zSql[j++] = ','; - zSql[j++] = '?'; - } - zSql[j++] = ')'; - zSql[j] = 0; - rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); - sqlite3_free(zSql); - if( rc ){ - utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(p->db)); - if (pStmt) sqlite3_finalize(pStmt); - xCloser(sCtx.in); - return 1; - } - needCommit = sqlite3_get_autocommit(p->db); - if( needCommit ) sqlite3_exec(p->db, "BEGIN", 0, 0, 0); - do{ - int startLine = sCtx.nLine; - for(i=0; i<nCol; i++){ - char *z = xRead(&sCtx); - /* - ** Did we reach end-of-file before finding any columns? - ** If so, stop instead of NULL filling the remaining columns. - */ - if( z==0 && i==0 ) break; - /* - ** Did we reach end-of-file OR end-of-line before finding any - ** columns in ASCII mode? If so, stop instead of NULL filling - ** the remaining columns. - */ - if( p->mode==MODE_Ascii && (z==0 || z[0]==0) && i==0 ) break; - sqlite3_bind_text(pStmt, i+1, z, -1, SQLITE_TRANSIENT); - if( i<nCol-1 && sCtx.cTerm!=sCtx.cColSep ){ - utf8_printf(stderr, "%s:%d: expected %d columns but found %d - " - "filling the rest with NULL\n", - sCtx.zFile, startLine, nCol, i+1); - i += 2; - while( i<=nCol ){ sqlite3_bind_null(pStmt, i); i++; } - } - } - if( sCtx.cTerm==sCtx.cColSep ){ - do{ - xRead(&sCtx); - i++; - }while( sCtx.cTerm==sCtx.cColSep ); - utf8_printf(stderr, "%s:%d: expected %d columns but found %d - " - "extras ignored\n", - sCtx.zFile, startLine, nCol, i); - } - if( i>=nCol ){ - sqlite3_step(pStmt); - rc = sqlite3_reset(pStmt); - if( rc!=SQLITE_OK ){ - utf8_printf(stderr, "%s:%d: INSERT failed: %s\n", sCtx.zFile, - startLine, sqlite3_errmsg(p->db)); - } - } - }while( sCtx.cTerm!=EOF ); - - xCloser(sCtx.in); - sqlite3_free(sCtx.z); - sqlite3_finalize(pStmt); - if( needCommit ) sqlite3_exec(p->db, "COMMIT", 0, 0, 0); - }else - -#ifndef SQLITE_UNTESTABLE - if( c=='i' && strncmp(azArg[0], "imposter", n)==0 ){ - char *zSql; - char *zCollist = 0; - sqlite3_stmt *pStmt; - int tnum = 0; - int i; - if( !(nArg==3 || (nArg==2 && sqlite3_stricmp(azArg[1],"off")==0)) ){ - utf8_printf(stderr, "Usage: .imposter INDEX IMPOSTER\n" - " .imposter off\n"); - rc = 1; - goto meta_command_exit; - } - open_db(p, 0); - if( nArg==2 ){ - sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->db, "main", 0, 1); - goto meta_command_exit; - } - zSql = sqlite3_mprintf("SELECT rootpage FROM sqlite_master" - " WHERE name='%q' AND type='index'", azArg[1]); - sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); - sqlite3_free(zSql); - if( sqlite3_step(pStmt)==SQLITE_ROW ){ - tnum = sqlite3_column_int(pStmt, 0); - } - sqlite3_finalize(pStmt); - if( tnum==0 ){ - utf8_printf(stderr, "no such index: \"%s\"\n", azArg[1]); - rc = 1; - goto meta_command_exit; - } - zSql = sqlite3_mprintf("PRAGMA index_xinfo='%q'", azArg[1]); - rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); - sqlite3_free(zSql); - i = 0; - while( sqlite3_step(pStmt)==SQLITE_ROW ){ - char zLabel[20]; - const char *zCol = (const char*)sqlite3_column_text(pStmt,2); - i++; - if( zCol==0 ){ - if( sqlite3_column_int(pStmt,1)==-1 ){ - zCol = "_ROWID_"; - }else{ - sqlite3_snprintf(sizeof(zLabel),zLabel,"expr%d",i); - zCol = zLabel; - } - } - if( zCollist==0 ){ - zCollist = sqlite3_mprintf("\"%w\"", zCol); - }else{ - zCollist = sqlite3_mprintf("%z,\"%w\"", zCollist, zCol); - } - } - sqlite3_finalize(pStmt); - zSql = sqlite3_mprintf( - "CREATE TABLE \"%w\"(%s,PRIMARY KEY(%s))WITHOUT ROWID", - azArg[2], zCollist, zCollist); - sqlite3_free(zCollist); - rc = sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->db, "main", 1, tnum); - if( rc==SQLITE_OK ){ - rc = sqlite3_exec(p->db, zSql, 0, 0, 0); - sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->db, "main", 0, 0); - if( rc ){ - utf8_printf(stderr, "Error in [%s]: %s\n", zSql, sqlite3_errmsg(p->db)); - }else{ - utf8_printf(stdout, "%s;\n", zSql); - raw_printf(stdout, - "WARNING: writing to an imposter table will corrupt the index!\n" - ); - } - }else{ - raw_printf(stderr, "SQLITE_TESTCTRL_IMPOSTER returns %d\n", rc); - rc = 1; - } - sqlite3_free(zSql); - }else -#endif /* !defined(SQLITE_OMIT_TEST_CONTROL) */ - -#ifdef SQLITE_ENABLE_IOTRACE - if( c=='i' && strncmp(azArg[0], "iotrace", n)==0 ){ - SQLITE_API extern void (SQLITE_CDECL *sqlite3IoTrace)(const char*, ...); - if( iotrace && iotrace!=stdout ) fclose(iotrace); - iotrace = 0; - if( nArg<2 ){ - sqlite3IoTrace = 0; - }else if( strcmp(azArg[1], "-")==0 ){ - sqlite3IoTrace = iotracePrintf; - iotrace = stdout; - }else{ - iotrace = fopen(azArg[1], "w"); - if( iotrace==0 ){ - utf8_printf(stderr, "Error: cannot open \"%s\"\n", azArg[1]); - sqlite3IoTrace = 0; - rc = 1; - }else{ - sqlite3IoTrace = iotracePrintf; - } - } - }else -#endif - - if( c=='l' && n>=5 && strncmp(azArg[0], "limits", n)==0 ){ - static const struct { - const char *zLimitName; /* Name of a limit */ - int limitCode; /* Integer code for that limit */ - } aLimit[] = { - { "length", SQLITE_LIMIT_LENGTH }, - { "sql_length", SQLITE_LIMIT_SQL_LENGTH }, - { "column", SQLITE_LIMIT_COLUMN }, - { "expr_depth", SQLITE_LIMIT_EXPR_DEPTH }, - { "compound_select", SQLITE_LIMIT_COMPOUND_SELECT }, - { "vdbe_op", SQLITE_LIMIT_VDBE_OP }, - { "function_arg", SQLITE_LIMIT_FUNCTION_ARG }, - { "attached", SQLITE_LIMIT_ATTACHED }, - { "like_pattern_length", SQLITE_LIMIT_LIKE_PATTERN_LENGTH }, - { "variable_number", SQLITE_LIMIT_VARIABLE_NUMBER }, - { "trigger_depth", SQLITE_LIMIT_TRIGGER_DEPTH }, - { "worker_threads", SQLITE_LIMIT_WORKER_THREADS }, - }; - int i, n2; - open_db(p, 0); - if( nArg==1 ){ - for(i=0; i<ArraySize(aLimit); i++){ - printf("%20s %d\n", aLimit[i].zLimitName, - sqlite3_limit(p->db, aLimit[i].limitCode, -1)); - } - }else if( nArg>3 ){ - raw_printf(stderr, "Usage: .limit NAME ?NEW-VALUE?\n"); - rc = 1; - goto meta_command_exit; - }else{ - int iLimit = -1; - n2 = strlen30(azArg[1]); - for(i=0; i<ArraySize(aLimit); i++){ - if( sqlite3_strnicmp(aLimit[i].zLimitName, azArg[1], n2)==0 ){ - if( iLimit<0 ){ - iLimit = i; - }else{ - utf8_printf(stderr, "ambiguous limit: \"%s\"\n", azArg[1]); - rc = 1; - goto meta_command_exit; - } - } - } - if( iLimit<0 ){ - utf8_printf(stderr, "unknown limit: \"%s\"\n" - "enter \".limits\" with no arguments for a list.\n", - azArg[1]); - rc = 1; - goto meta_command_exit; - } - if( nArg==3 ){ - sqlite3_limit(p->db, aLimit[iLimit].limitCode, - (int)integerValue(azArg[2])); - } - printf("%20s %d\n", aLimit[iLimit].zLimitName, - sqlite3_limit(p->db, aLimit[iLimit].limitCode, -1)); - } - }else - - if( c=='l' && n>2 && strncmp(azArg[0], "lint", n)==0 ){ - open_db(p, 0); - lintDotCommand(p, azArg, nArg); - }else - -#ifndef SQLITE_OMIT_LOAD_EXTENSION - if( c=='l' && strncmp(azArg[0], "load", n)==0 ){ - const char *zFile, *zProc; - char *zErrMsg = 0; - if( nArg<2 ){ - raw_printf(stderr, "Usage: .load FILE ?ENTRYPOINT?\n"); - rc = 1; - goto meta_command_exit; - } - zFile = azArg[1]; - zProc = nArg>=3 ? azArg[2] : 0; - open_db(p, 0); - rc = sqlite3_load_extension(p->db, zFile, zProc, &zErrMsg); - if( rc!=SQLITE_OK ){ - utf8_printf(stderr, "Error: %s\n", zErrMsg); - sqlite3_free(zErrMsg); - rc = 1; - } - }else -#endif - - if( c=='l' && strncmp(azArg[0], "log", n)==0 ){ - if( nArg!=2 ){ - raw_printf(stderr, "Usage: .log FILENAME\n"); - rc = 1; - }else{ - const char *zFile = azArg[1]; - output_file_close(p->pLog); - p->pLog = output_file_open(zFile, 0); - } - }else - - if( c=='m' && strncmp(azArg[0], "mode", n)==0 ){ - const char *zMode = nArg>=2 ? azArg[1] : ""; - int n2 = strlen30(zMode); - int c2 = zMode[0]; - if( c2=='l' && n2>2 && strncmp(azArg[1],"lines",n2)==0 ){ - p->mode = MODE_Line; - sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row); - }else if( c2=='c' && strncmp(azArg[1],"columns",n2)==0 ){ - p->mode = MODE_Column; - sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row); - }else if( c2=='l' && n2>2 && strncmp(azArg[1],"list",n2)==0 ){ - p->mode = MODE_List; - sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Column); - sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row); - }else if( c2=='h' && strncmp(azArg[1],"html",n2)==0 ){ - p->mode = MODE_Html; - }else if( c2=='t' && strncmp(azArg[1],"tcl",n2)==0 ){ - p->mode = MODE_Tcl; - sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Space); - sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row); - }else if( c2=='c' && strncmp(azArg[1],"csv",n2)==0 ){ - p->mode = MODE_Csv; - sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Comma); - sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_CrLf); - }else if( c2=='t' && strncmp(azArg[1],"tabs",n2)==0 ){ - p->mode = MODE_List; - sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Tab); - }else if( c2=='i' && strncmp(azArg[1],"insert",n2)==0 ){ - p->mode = MODE_Insert; - set_table_name(p, nArg>=3 ? azArg[2] : "table"); - }else if( c2=='q' && strncmp(azArg[1],"quote",n2)==0 ){ - p->mode = MODE_Quote; - }else if( c2=='a' && strncmp(azArg[1],"ascii",n2)==0 ){ - p->mode = MODE_Ascii; - sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Unit); - sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Record); - }else if( nArg==1 ){ - raw_printf(p->out, "current output mode: %s\n", modeDescr[p->mode]); - }else{ - raw_printf(stderr, "Error: mode should be one of: " - "ascii column csv html insert line list quote tabs tcl\n"); - rc = 1; - } - p->cMode = p->mode; - }else - - if( c=='n' && strncmp(azArg[0], "nullvalue", n)==0 ){ - if( nArg==2 ){ - sqlite3_snprintf(sizeof(p->nullValue), p->nullValue, - "%.*s", (int)ArraySize(p->nullValue)-1, azArg[1]); - }else{ - raw_printf(stderr, "Usage: .nullvalue STRING\n"); - rc = 1; - } - }else - - if( c=='o' && strncmp(azArg[0], "open", n)==0 && n>=2 ){ - char *zNewFilename; /* Name of the database file to open */ - int iName = 1; /* Index in azArg[] of the filename */ - int newFlag = 0; /* True to delete file before opening */ - /* Close the existing database */ - session_close_all(p); - close_db(p->db); - p->db = 0; - p->zDbFilename = 0; - sqlite3_free(p->zFreeOnClose); - p->zFreeOnClose = 0; - p->openMode = SHELL_OPEN_UNSPEC; - /* Check for command-line arguments */ - for(iName=1; iName<nArg && azArg[iName][0]=='-'; iName++){ - const char *z = azArg[iName]; - if( optionMatch(z,"new") ){ - newFlag = 1; -#ifdef SQLITE_HAVE_ZLIB - }else if( optionMatch(z, "zip") ){ - p->openMode = SHELL_OPEN_ZIPFILE; -#endif - }else if( optionMatch(z, "append") ){ - p->openMode = SHELL_OPEN_APPENDVFS; - }else if( optionMatch(z, "readonly") ){ - p->openMode = SHELL_OPEN_READONLY; - }else if( z[0]=='-' ){ - utf8_printf(stderr, "unknown option: %s\n", z); - rc = 1; - goto meta_command_exit; - } - } - /* If a filename is specified, try to open it first */ - zNewFilename = nArg>iName ? sqlite3_mprintf("%s", azArg[iName]) : 0; - if( zNewFilename ){ - if( newFlag ) shellDeleteFile(zNewFilename); - p->zDbFilename = zNewFilename; - open_db(p, OPEN_DB_KEEPALIVE); - if( p->db==0 ){ - utf8_printf(stderr, "Error: cannot open '%s'\n", zNewFilename); - sqlite3_free(zNewFilename); - }else{ - p->zFreeOnClose = zNewFilename; - } - } - if( p->db==0 ){ - /* As a fall-back open a TEMP database */ - p->zDbFilename = 0; - open_db(p, 0); - } - }else - - if( (c=='o' - && (strncmp(azArg[0], "output", n)==0||strncmp(azArg[0], "once", n)==0)) - || (c=='e' && n==5 && strcmp(azArg[0],"excel")==0) - ){ - const char *zFile = nArg>=2 ? azArg[1] : "stdout"; - int bTxtMode = 0; - if( azArg[0][0]=='e' ){ - /* Transform the ".excel" command into ".once -x" */ - nArg = 2; - azArg[0] = "once"; - zFile = azArg[1] = "-x"; - n = 4; - } - if( nArg>2 ){ - utf8_printf(stderr, "Usage: .%s [-e|-x|FILE]\n", azArg[0]); - rc = 1; - goto meta_command_exit; - } - if( n>1 && strncmp(azArg[0], "once", n)==0 ){ - if( nArg<2 ){ - raw_printf(stderr, "Usage: .once (-e|-x|FILE)\n"); - rc = 1; - goto meta_command_exit; - } - p->outCount = 2; - }else{ - p->outCount = 0; - } - output_reset(p); - if( zFile[0]=='-' && zFile[1]=='-' ) zFile++; -#ifndef SQLITE_NOHAVE_SYSTEM - if( strcmp(zFile, "-e")==0 || strcmp(zFile, "-x")==0 ){ - p->doXdgOpen = 1; - outputModePush(p); - if( zFile[1]=='x' ){ - newTempFile(p, "csv"); - p->mode = MODE_Csv; - sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Comma); - sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_CrLf); - }else{ - newTempFile(p, "txt"); - bTxtMode = 1; - } - zFile = p->zTempFile; - } -#endif /* SQLITE_NOHAVE_SYSTEM */ - if( zFile[0]=='|' ){ -#ifdef SQLITE_OMIT_POPEN - raw_printf(stderr, "Error: pipes are not supported in this OS\n"); - rc = 1; - p->out = stdout; -#else - p->out = popen(zFile + 1, "w"); - if( p->out==0 ){ - utf8_printf(stderr,"Error: cannot open pipe \"%s\"\n", zFile + 1); - p->out = stdout; - rc = 1; - }else{ - sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile); - } -#endif - }else{ - p->out = output_file_open(zFile, bTxtMode); - if( p->out==0 ){ - if( strcmp(zFile,"off")!=0 ){ - utf8_printf(stderr,"Error: cannot write to \"%s\"\n", zFile); - } - p->out = stdout; - rc = 1; - } else { - sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile); - } - } - }else - - if( c=='p' && n>=3 && strncmp(azArg[0], "print", n)==0 ){ - int i; - for(i=1; i<nArg; i++){ - if( i>1 ) raw_printf(p->out, " "); - utf8_printf(p->out, "%s", azArg[i]); - } - raw_printf(p->out, "\n"); - }else - - if( c=='p' && strncmp(azArg[0], "prompt", n)==0 ){ - if( nArg >= 2) { - strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1); - } - if( nArg >= 3) { - strncpy(continuePrompt,azArg[2],(int)ArraySize(continuePrompt)-1); - } - }else - - if( c=='q' && strncmp(azArg[0], "quit", n)==0 ){ - rc = 2; - }else - - if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 ){ - FILE *alt; - if( nArg!=2 ){ - raw_printf(stderr, "Usage: .read FILE\n"); - rc = 1; - goto meta_command_exit; - } - alt = fopen(azArg[1], "rb"); - if( alt==0 ){ - utf8_printf(stderr,"Error: cannot open \"%s\"\n", azArg[1]); - rc = 1; - }else{ - rc = process_input(p, alt); - fclose(alt); - } - }else - - if( c=='r' && n>=3 && strncmp(azArg[0], "restore", n)==0 ){ - const char *zSrcFile; - const char *zDb; - sqlite3 *pSrc; - sqlite3_backup *pBackup; - int nTimeout = 0; - - if( nArg==2 ){ - zSrcFile = azArg[1]; - zDb = "main"; - }else if( nArg==3 ){ - zSrcFile = azArg[2]; - zDb = azArg[1]; - }else{ - raw_printf(stderr, "Usage: .restore ?DB? FILE\n"); - rc = 1; - goto meta_command_exit; - } - rc = sqlite3_open(zSrcFile, &pSrc); - if( rc!=SQLITE_OK ){ - utf8_printf(stderr, "Error: cannot open \"%s\"\n", zSrcFile); - close_db(pSrc); - return 1; - } - open_db(p, 0); - pBackup = sqlite3_backup_init(p->db, zDb, pSrc, "main"); - if( pBackup==0 ){ - utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(p->db)); - close_db(pSrc); - return 1; - } - while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK - || rc==SQLITE_BUSY ){ - if( rc==SQLITE_BUSY ){ - if( nTimeout++ >= 3 ) break; - sqlite3_sleep(100); - } - } - sqlite3_backup_finish(pBackup); - if( rc==SQLITE_DONE ){ - rc = 0; - }else if( rc==SQLITE_BUSY || rc==SQLITE_LOCKED ){ - raw_printf(stderr, "Error: source database is busy\n"); - rc = 1; - }else{ - utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(p->db)); - rc = 1; - } - close_db(pSrc); - }else - - if( c=='s' && strncmp(azArg[0], "scanstats", n)==0 ){ - if( nArg==2 ){ - p->scanstatsOn = (u8)booleanValue(azArg[1]); -#ifndef SQLITE_ENABLE_STMT_SCANSTATUS - raw_printf(stderr, "Warning: .scanstats not available in this build.\n"); -#endif - }else{ - raw_printf(stderr, "Usage: .scanstats on|off\n"); - rc = 1; - } - }else - - if( c=='s' && strncmp(azArg[0], "schema", n)==0 ){ - ShellText sSelect; - ShellState data; - char *zErrMsg = 0; - const char *zDiv = "("; - const char *zName = 0; - int iSchema = 0; - int bDebug = 0; - int ii; - - open_db(p, 0); - memcpy(&data, p, sizeof(data)); - data.showHeader = 0; - data.cMode = data.mode = MODE_Semi; - initText(&sSelect); - for(ii=1; ii<nArg; ii++){ - if( optionMatch(azArg[ii],"indent") ){ - data.cMode = data.mode = MODE_Pretty; - }else if( optionMatch(azArg[ii],"debug") ){ - bDebug = 1; - }else if( zName==0 ){ - zName = azArg[ii]; - }else{ - raw_printf(stderr, "Usage: .schema ?--indent? ?LIKE-PATTERN?\n"); - rc = 1; - goto meta_command_exit; - } - } - if( zName!=0 ){ - int isMaster = sqlite3_strlike(zName, "sqlite_master", '\\')==0; - if( isMaster || sqlite3_strlike(zName,"sqlite_temp_master", '\\')==0 ){ - char *new_argv[2], *new_colv[2]; - new_argv[0] = sqlite3_mprintf( - "CREATE TABLE %s (\n" - " type text,\n" - " name text,\n" - " tbl_name text,\n" - " rootpage integer,\n" - " sql text\n" - ")", isMaster ? "sqlite_master" : "sqlite_temp_master"); - new_argv[1] = 0; - new_colv[0] = "sql"; - new_colv[1] = 0; - callback(&data, 1, new_argv, new_colv); - sqlite3_free(new_argv[0]); - } - } - if( zDiv ){ - sqlite3_stmt *pStmt = 0; - rc = sqlite3_prepare_v2(p->db, "SELECT name FROM pragma_database_list", - -1, &pStmt, 0); - if( rc ){ - utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(p->db)); - sqlite3_finalize(pStmt); - rc = 1; - goto meta_command_exit; - } - appendText(&sSelect, "SELECT sql FROM", 0); - iSchema = 0; - while( sqlite3_step(pStmt)==SQLITE_ROW ){ - const char *zDb = (const char*)sqlite3_column_text(pStmt, 0); - char zScNum[30]; - sqlite3_snprintf(sizeof(zScNum), zScNum, "%d", ++iSchema); - appendText(&sSelect, zDiv, 0); - zDiv = " UNION ALL "; - appendText(&sSelect, "SELECT shell_add_schema(sql,", 0); - if( sqlite3_stricmp(zDb, "main")!=0 ){ - appendText(&sSelect, zDb, '"'); - }else{ - appendText(&sSelect, "NULL", 0); - } - appendText(&sSelect, ",name) AS sql, type, tbl_name, name, rowid,", 0); - appendText(&sSelect, zScNum, 0); - appendText(&sSelect, " AS snum, ", 0); - appendText(&sSelect, zDb, '\''); - appendText(&sSelect, " AS sname FROM ", 0); - appendText(&sSelect, zDb, '"'); - appendText(&sSelect, ".sqlite_master", 0); - } - sqlite3_finalize(pStmt); -#ifdef SQLITE_INTROSPECTION_PRAGMAS - if( zName ){ - appendText(&sSelect, - " UNION ALL SELECT shell_module_schema(name)," - " 'table', name, name, name, 9e+99, 'main' FROM pragma_module_list", 0); - } -#endif - appendText(&sSelect, ") WHERE ", 0); - if( zName ){ - char *zQarg = sqlite3_mprintf("%Q", zName); - int bGlob = strchr(zName, '*') != 0 || strchr(zName, '?') != 0 || - strchr(zName, '[') != 0; - if( strchr(zName, '.') ){ - appendText(&sSelect, "lower(printf('%s.%s',sname,tbl_name))", 0); - }else{ - appendText(&sSelect, "lower(tbl_name)", 0); - } - appendText(&sSelect, bGlob ? " GLOB " : " LIKE ", 0); - appendText(&sSelect, zQarg, 0); - if( !bGlob ){ - appendText(&sSelect, " ESCAPE '\\' ", 0); - } - appendText(&sSelect, " AND ", 0); - sqlite3_free(zQarg); - } - appendText(&sSelect, "type!='meta' AND sql IS NOT NULL" - " ORDER BY snum, rowid", 0); - if( bDebug ){ - utf8_printf(p->out, "SQL: %s;\n", sSelect.z); - }else{ - rc = sqlite3_exec(p->db, sSelect.z, callback, &data, &zErrMsg); - } - freeText(&sSelect); - } - if( zErrMsg ){ - utf8_printf(stderr,"Error: %s\n", zErrMsg); - sqlite3_free(zErrMsg); - rc = 1; - }else if( rc != SQLITE_OK ){ - raw_printf(stderr,"Error: querying schema information\n"); - rc = 1; - }else{ - rc = 0; - } - }else - -#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE) - if( c=='s' && n==11 && strncmp(azArg[0], "selecttrace", n)==0 ){ - sqlite3SelectTrace = (int)integerValue(azArg[1]); - }else -#endif - -#if defined(SQLITE_ENABLE_SESSION) - if( c=='s' && strncmp(azArg[0],"session",n)==0 && n>=3 ){ - OpenSession *pSession = &p->aSession[0]; - char **azCmd = &azArg[1]; - int iSes = 0; - int nCmd = nArg - 1; - int i; - if( nArg<=1 ) goto session_syntax_error; - open_db(p, 0); - if( nArg>=3 ){ - for(iSes=0; iSes<p->nSession; iSes++){ - if( strcmp(p->aSession[iSes].zName, azArg[1])==0 ) break; - } - if( iSes<p->nSession ){ - pSession = &p->aSession[iSes]; - azCmd++; - nCmd--; - }else{ - pSession = &p->aSession[0]; - iSes = 0; - } - } - - /* .session attach TABLE - ** Invoke the sqlite3session_attach() interface to attach a particular - ** table so that it is never filtered. - */ - if( strcmp(azCmd[0],"attach")==0 ){ - if( nCmd!=2 ) goto session_syntax_error; - if( pSession->p==0 ){ - session_not_open: - raw_printf(stderr, "ERROR: No sessions are open\n"); - }else{ - rc = sqlite3session_attach(pSession->p, azCmd[1]); - if( rc ){ - raw_printf(stderr, "ERROR: sqlite3session_attach() returns %d\n", rc); - rc = 0; - } - } - }else - - /* .session changeset FILE - ** .session patchset FILE - ** Write a changeset or patchset into a file. The file is overwritten. - */ - if( strcmp(azCmd[0],"changeset")==0 || strcmp(azCmd[0],"patchset")==0 ){ - FILE *out = 0; - if( nCmd!=2 ) goto session_syntax_error; - if( pSession->p==0 ) goto session_not_open; - out = fopen(azCmd[1], "wb"); - if( out==0 ){ - utf8_printf(stderr, "ERROR: cannot open \"%s\" for writing\n", azCmd[1]); - }else{ - int szChng; - void *pChng; - if( azCmd[0][0]=='c' ){ - rc = sqlite3session_changeset(pSession->p, &szChng, &pChng); - }else{ - rc = sqlite3session_patchset(pSession->p, &szChng, &pChng); - } - if( rc ){ - printf("Error: error code %d\n", rc); - rc = 0; - } - if( pChng - && fwrite(pChng, szChng, 1, out)!=1 ){ - raw_printf(stderr, "ERROR: Failed to write entire %d-byte output\n", - szChng); - } - sqlite3_free(pChng); - fclose(out); - } - }else - - /* .session close - ** Close the identified session - */ - if( strcmp(azCmd[0], "close")==0 ){ - if( nCmd!=1 ) goto session_syntax_error; - if( p->nSession ){ - session_close(pSession); - p->aSession[iSes] = p->aSession[--p->nSession]; - } - }else - - /* .session enable ?BOOLEAN? - ** Query or set the enable flag - */ - if( strcmp(azCmd[0], "enable")==0 ){ - int ii; - if( nCmd>2 ) goto session_syntax_error; - ii = nCmd==1 ? -1 : booleanValue(azCmd[1]); - if( p->nSession ){ - ii = sqlite3session_enable(pSession->p, ii); - utf8_printf(p->out, "session %s enable flag = %d\n", - pSession->zName, ii); - } - }else - - /* .session filter GLOB .... - ** Set a list of GLOB patterns of table names to be excluded. - */ - if( strcmp(azCmd[0], "filter")==0 ){ - int ii, nByte; - if( nCmd<2 ) goto session_syntax_error; - if( p->nSession ){ - for(ii=0; ii<pSession->nFilter; ii++){ - sqlite3_free(pSession->azFilter[ii]); - } - sqlite3_free(pSession->azFilter); - nByte = sizeof(pSession->azFilter[0])*(nCmd-1); - pSession->azFilter = sqlite3_malloc( nByte ); - if( pSession->azFilter==0 ){ - raw_printf(stderr, "Error: out or memory\n"); - exit(1); - } - for(ii=1; ii<nCmd; ii++){ - pSession->azFilter[ii-1] = sqlite3_mprintf("%s", azCmd[ii]); - } - pSession->nFilter = ii-1; - } - }else - - /* .session indirect ?BOOLEAN? - ** Query or set the indirect flag - */ - if( strcmp(azCmd[0], "indirect")==0 ){ - int ii; - if( nCmd>2 ) goto session_syntax_error; - ii = nCmd==1 ? -1 : booleanValue(azCmd[1]); - if( p->nSession ){ - ii = sqlite3session_indirect(pSession->p, ii); - utf8_printf(p->out, "session %s indirect flag = %d\n", - pSession->zName, ii); - } - }else - - /* .session isempty - ** Determine if the session is empty - */ - if( strcmp(azCmd[0], "isempty")==0 ){ - int ii; - if( nCmd!=1 ) goto session_syntax_error; - if( p->nSession ){ - ii = sqlite3session_isempty(pSession->p); - utf8_printf(p->out, "session %s isempty flag = %d\n", - pSession->zName, ii); - } - }else - - /* .session list - ** List all currently open sessions - */ - if( strcmp(azCmd[0],"list")==0 ){ - for(i=0; i<p->nSession; i++){ - utf8_printf(p->out, "%d %s\n", i, p->aSession[i].zName); - } - }else - - /* .session open DB NAME - ** Open a new session called NAME on the attached database DB. - ** DB is normally "main". - */ - if( strcmp(azCmd[0],"open")==0 ){ - char *zName; - if( nCmd!=3 ) goto session_syntax_error; - zName = azCmd[2]; - if( zName[0]==0 ) goto session_syntax_error; - for(i=0; i<p->nSession; i++){ - if( strcmp(p->aSession[i].zName,zName)==0 ){ - utf8_printf(stderr, "Session \"%s\" already exists\n", zName); - goto meta_command_exit; - } - } - if( p->nSession>=ArraySize(p->aSession) ){ - raw_printf(stderr, "Maximum of %d sessions\n", ArraySize(p->aSession)); - goto meta_command_exit; - } - pSession = &p->aSession[p->nSession]; - rc = sqlite3session_create(p->db, azCmd[1], &pSession->p); - if( rc ){ - raw_printf(stderr, "Cannot open session: error code=%d\n", rc); - rc = 0; - goto meta_command_exit; - } - pSession->nFilter = 0; - sqlite3session_table_filter(pSession->p, session_filter, pSession); - p->nSession++; - pSession->zName = sqlite3_mprintf("%s", zName); - }else - /* If no command name matches, show a syntax error */ - session_syntax_error: - session_help(p); - }else -#endif - -#ifdef SQLITE_DEBUG - /* Undocumented commands for internal testing. Subject to change - ** without notice. */ - if( c=='s' && n>=10 && strncmp(azArg[0], "selftest-", 9)==0 ){ - if( strncmp(azArg[0]+9, "boolean", n-9)==0 ){ - int i, v; - for(i=1; i<nArg; i++){ - v = booleanValue(azArg[i]); - utf8_printf(p->out, "%s: %d 0x%x\n", azArg[i], v, v); - } - } - if( strncmp(azArg[0]+9, "integer", n-9)==0 ){ - int i; sqlite3_int64 v; - for(i=1; i<nArg; i++){ - char zBuf[200]; - v = integerValue(azArg[i]); - sqlite3_snprintf(sizeof(zBuf),zBuf,"%s: %lld 0x%llx\n", azArg[i],v,v); - utf8_printf(p->out, "%s", zBuf); - } - } - }else -#endif - - if( c=='s' && n>=4 && strncmp(azArg[0],"selftest",n)==0 ){ - int bIsInit = 0; /* True to initialize the SELFTEST table */ - int bVerbose = 0; /* Verbose output */ - int bSelftestExists; /* True if SELFTEST already exists */ - int i, k; /* Loop counters */ - int nTest = 0; /* Number of tests runs */ - int nErr = 0; /* Number of errors seen */ - ShellText str; /* Answer for a query */ - sqlite3_stmt *pStmt = 0; /* Query against the SELFTEST table */ - - open_db(p,0); - for(i=1; i<nArg; i++){ - const char *z = azArg[i]; - if( z[0]=='-' && z[1]=='-' ) z++; - if( strcmp(z,"-init")==0 ){ - bIsInit = 1; - }else - if( strcmp(z,"-v")==0 ){ - bVerbose++; - }else - { - utf8_printf(stderr, "Unknown option \"%s\" on \"%s\"\n", - azArg[i], azArg[0]); - raw_printf(stderr, "Should be one of: --init -v\n"); - rc = 1; - goto meta_command_exit; - } - } - if( sqlite3_table_column_metadata(p->db,"main","selftest",0,0,0,0,0,0) - != SQLITE_OK ){ - bSelftestExists = 0; - }else{ - bSelftestExists = 1; - } - if( bIsInit ){ - createSelftestTable(p); - bSelftestExists = 1; - } - initText(&str); - appendText(&str, "x", 0); - for(k=bSelftestExists; k>=0; k--){ - if( k==1 ){ - rc = sqlite3_prepare_v2(p->db, - "SELECT tno,op,cmd,ans FROM selftest ORDER BY tno", - -1, &pStmt, 0); - }else{ - rc = sqlite3_prepare_v2(p->db, - "VALUES(0,'memo','Missing SELFTEST table - default checks only','')," - " (1,'run','PRAGMA integrity_check','ok')", - -1, &pStmt, 0); - } - if( rc ){ - raw_printf(stderr, "Error querying the selftest table\n"); - rc = 1; - sqlite3_finalize(pStmt); - goto meta_command_exit; - } - for(i=1; sqlite3_step(pStmt)==SQLITE_ROW; i++){ - int tno = sqlite3_column_int(pStmt, 0); - const char *zOp = (const char*)sqlite3_column_text(pStmt, 1); - const char *zSql = (const char*)sqlite3_column_text(pStmt, 2); - const char *zAns = (const char*)sqlite3_column_text(pStmt, 3); - - k = 0; - if( bVerbose>0 ){ - char *zQuote = sqlite3_mprintf("%q", zSql); - printf("%d: %s %s\n", tno, zOp, zSql); - sqlite3_free(zQuote); - } - if( strcmp(zOp,"memo")==0 ){ - utf8_printf(p->out, "%s\n", zSql); - }else - if( strcmp(zOp,"run")==0 ){ - char *zErrMsg = 0; - str.n = 0; - str.z[0] = 0; - rc = sqlite3_exec(p->db, zSql, captureOutputCallback, &str, &zErrMsg); - nTest++; - if( bVerbose ){ - utf8_printf(p->out, "Result: %s\n", str.z); - } - if( rc || zErrMsg ){ - nErr++; - rc = 1; - utf8_printf(p->out, "%d: error-code-%d: %s\n", tno, rc, zErrMsg); - sqlite3_free(zErrMsg); - }else if( strcmp(zAns,str.z)!=0 ){ - nErr++; - rc = 1; - utf8_printf(p->out, "%d: Expected: [%s]\n", tno, zAns); - utf8_printf(p->out, "%d: Got: [%s]\n", tno, str.z); - } - }else - { - utf8_printf(stderr, - "Unknown operation \"%s\" on selftest line %d\n", zOp, tno); - rc = 1; - break; - } - } /* End loop over rows of content from SELFTEST */ - sqlite3_finalize(pStmt); - } /* End loop over k */ - freeText(&str); - utf8_printf(p->out, "%d errors out of %d tests\n", nErr, nTest); - }else - - if( c=='s' && strncmp(azArg[0], "separator", n)==0 ){ - if( nArg<2 || nArg>3 ){ - raw_printf(stderr, "Usage: .separator COL ?ROW?\n"); - rc = 1; - } - if( nArg>=2 ){ - sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, - "%.*s", (int)ArraySize(p->colSeparator)-1, azArg[1]); - } - if( nArg>=3 ){ - sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, - "%.*s", (int)ArraySize(p->rowSeparator)-1, azArg[2]); - } - }else - - if( c=='s' && n>=4 && strncmp(azArg[0],"sha3sum",n)==0 ){ - const char *zLike = 0; /* Which table to checksum. 0 means everything */ - int i; /* Loop counter */ - int bSchema = 0; /* Also hash the schema */ - int bSeparate = 0; /* Hash each table separately */ - int iSize = 224; /* Hash algorithm to use */ - int bDebug = 0; /* Only show the query that would have run */ - sqlite3_stmt *pStmt; /* For querying tables names */ - char *zSql; /* SQL to be run */ - char *zSep; /* Separator */ - ShellText sSql; /* Complete SQL for the query to run the hash */ - ShellText sQuery; /* Set of queries used to read all content */ - open_db(p, 0); - for(i=1; i<nArg; i++){ - const char *z = azArg[i]; - if( z[0]=='-' ){ - z++; - if( z[0]=='-' ) z++; - if( strcmp(z,"schema")==0 ){ - bSchema = 1; - }else - if( strcmp(z,"sha3-224")==0 || strcmp(z,"sha3-256")==0 - || strcmp(z,"sha3-384")==0 || strcmp(z,"sha3-512")==0 - ){ - iSize = atoi(&z[5]); - }else - if( strcmp(z,"debug")==0 ){ - bDebug = 1; - }else - { - utf8_printf(stderr, "Unknown option \"%s\" on \"%s\"\n", - azArg[i], azArg[0]); - raw_printf(stderr, "Should be one of: --schema" - " --sha3-224 --sha3-256 --sha3-384 --sha3-512\n"); - rc = 1; - goto meta_command_exit; - } - }else if( zLike ){ - raw_printf(stderr, "Usage: .sha3sum ?OPTIONS? ?LIKE-PATTERN?\n"); - rc = 1; - goto meta_command_exit; - }else{ - zLike = z; - bSeparate = 1; - if( sqlite3_strlike("sqlite\\_%", zLike, '\\')==0 ) bSchema = 1; - } - } - if( bSchema ){ - zSql = "SELECT lower(name) FROM sqlite_master" - " WHERE type='table' AND coalesce(rootpage,0)>1" - " UNION ALL SELECT 'sqlite_master'" - " ORDER BY 1 collate nocase"; - }else{ - zSql = "SELECT lower(name) FROM sqlite_master" - " WHERE type='table' AND coalesce(rootpage,0)>1" - " AND name NOT LIKE 'sqlite_%'" - " ORDER BY 1 collate nocase"; - } - sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); - initText(&sQuery); - initText(&sSql); - appendText(&sSql, "WITH [sha3sum$query](a,b) AS(",0); - zSep = "VALUES("; - while( SQLITE_ROW==sqlite3_step(pStmt) ){ - const char *zTab = (const char*)sqlite3_column_text(pStmt,0); - if( zLike && sqlite3_strlike(zLike, zTab, 0)!=0 ) continue; - if( strncmp(zTab, "sqlite_",7)!=0 ){ - appendText(&sQuery,"SELECT * FROM ", 0); - appendText(&sQuery,zTab,'"'); - appendText(&sQuery," NOT INDEXED;", 0); - }else if( strcmp(zTab, "sqlite_master")==0 ){ - appendText(&sQuery,"SELECT type,name,tbl_name,sql FROM sqlite_master" - " ORDER BY name;", 0); - }else if( strcmp(zTab, "sqlite_sequence")==0 ){ - appendText(&sQuery,"SELECT name,seq FROM sqlite_sequence" - " ORDER BY name;", 0); - }else if( strcmp(zTab, "sqlite_stat1")==0 ){ - appendText(&sQuery,"SELECT tbl,idx,stat FROM sqlite_stat1" - " ORDER BY tbl,idx;", 0); - }else if( strcmp(zTab, "sqlite_stat3")==0 - || strcmp(zTab, "sqlite_stat4")==0 ){ - appendText(&sQuery, "SELECT * FROM ", 0); - appendText(&sQuery, zTab, 0); - appendText(&sQuery, " ORDER BY tbl, idx, rowid;\n", 0); - } - appendText(&sSql, zSep, 0); - appendText(&sSql, sQuery.z, '\''); - sQuery.n = 0; - appendText(&sSql, ",", 0); - appendText(&sSql, zTab, '\''); - zSep = "),("; - } - sqlite3_finalize(pStmt); - if( bSeparate ){ - zSql = sqlite3_mprintf( - "%s))" - " SELECT lower(hex(sha3_query(a,%d))) AS hash, b AS label" - " FROM [sha3sum$query]", - sSql.z, iSize); - }else{ - zSql = sqlite3_mprintf( - "%s))" - " SELECT lower(hex(sha3_query(group_concat(a,''),%d))) AS hash" - " FROM [sha3sum$query]", - sSql.z, iSize); - } - freeText(&sQuery); - freeText(&sSql); - if( bDebug ){ - utf8_printf(p->out, "%s\n", zSql); - }else{ - shell_exec(p, zSql, 0); - } - sqlite3_free(zSql); - }else - -#ifndef SQLITE_NOHAVE_SYSTEM - if( c=='s' - && (strncmp(azArg[0], "shell", n)==0 || strncmp(azArg[0],"system",n)==0) - ){ - char *zCmd; - int i, x; - if( nArg<2 ){ - raw_printf(stderr, "Usage: .system COMMAND\n"); - rc = 1; - goto meta_command_exit; - } - zCmd = sqlite3_mprintf(strchr(azArg[1],' ')==0?"%s":"\"%s\"", azArg[1]); - for(i=2; i<nArg; i++){ - zCmd = sqlite3_mprintf(strchr(azArg[i],' ')==0?"%z %s":"%z \"%s\"", - zCmd, azArg[i]); - } - x = system(zCmd); - sqlite3_free(zCmd); - if( x ) raw_printf(stderr, "System command returns %d\n", x); - }else -#endif /* !defined(SQLITE_NOHAVE_SYSTEM) */ - - if( c=='s' && strncmp(azArg[0], "show", n)==0 ){ - static const char *azBool[] = { "off", "on", "trigger", "full"}; - int i; - if( nArg!=1 ){ - raw_printf(stderr, "Usage: .show\n"); - rc = 1; - goto meta_command_exit; - } - utf8_printf(p->out, "%12.12s: %s\n","echo", - azBool[ShellHasFlag(p, SHFLG_Echo)]); - utf8_printf(p->out, "%12.12s: %s\n","eqp", azBool[p->autoEQP&3]); - utf8_printf(p->out, "%12.12s: %s\n","explain", - p->mode==MODE_Explain ? "on" : p->autoExplain ? "auto" : "off"); - utf8_printf(p->out,"%12.12s: %s\n","headers", azBool[p->showHeader!=0]); - utf8_printf(p->out, "%12.12s: %s\n","mode", modeDescr[p->mode]); - utf8_printf(p->out, "%12.12s: ", "nullvalue"); - output_c_string(p->out, p->nullValue); - raw_printf(p->out, "\n"); - utf8_printf(p->out,"%12.12s: %s\n","output", - strlen30(p->outfile) ? p->outfile : "stdout"); - utf8_printf(p->out,"%12.12s: ", "colseparator"); - output_c_string(p->out, p->colSeparator); - raw_printf(p->out, "\n"); - utf8_printf(p->out,"%12.12s: ", "rowseparator"); - output_c_string(p->out, p->rowSeparator); - raw_printf(p->out, "\n"); - utf8_printf(p->out, "%12.12s: %s\n","stats", azBool[p->statsOn!=0]); - utf8_printf(p->out, "%12.12s: ", "width"); - for (i=0;i<(int)ArraySize(p->colWidth) && p->colWidth[i] != 0;i++) { - raw_printf(p->out, "%d ", p->colWidth[i]); - } - raw_printf(p->out, "\n"); - utf8_printf(p->out, "%12.12s: %s\n", "filename", - p->zDbFilename ? p->zDbFilename : ""); - }else - - if( c=='s' && strncmp(azArg[0], "stats", n)==0 ){ - if( nArg==2 ){ - p->statsOn = (u8)booleanValue(azArg[1]); - }else if( nArg==1 ){ - display_stats(p->db, p, 0); - }else{ - raw_printf(stderr, "Usage: .stats ?on|off?\n"); - rc = 1; - } - }else - - if( (c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0) - || (c=='i' && (strncmp(azArg[0], "indices", n)==0 - || strncmp(azArg[0], "indexes", n)==0) ) - ){ - sqlite3_stmt *pStmt; - char **azResult; - int nRow, nAlloc; - int ii; - ShellText s; - initText(&s); - open_db(p, 0); - rc = sqlite3_prepare_v2(p->db, "PRAGMA database_list", -1, &pStmt, 0); - if( rc ){ - sqlite3_finalize(pStmt); - return shellDatabaseError(p->db); - } - - if( nArg>2 && c=='i' ){ - /* It is an historical accident that the .indexes command shows an error - ** when called with the wrong number of arguments whereas the .tables - ** command does not. */ - raw_printf(stderr, "Usage: .indexes ?LIKE-PATTERN?\n"); - rc = 1; - sqlite3_finalize(pStmt); - goto meta_command_exit; - } - for(ii=0; sqlite3_step(pStmt)==SQLITE_ROW; ii++){ - const char *zDbName = (const char*)sqlite3_column_text(pStmt, 1); - if( zDbName==0 ) continue; - if( s.z && s.z[0] ) appendText(&s, " UNION ALL ", 0); - if( sqlite3_stricmp(zDbName, "main")==0 ){ - appendText(&s, "SELECT name FROM ", 0); - }else{ - appendText(&s, "SELECT ", 0); - appendText(&s, zDbName, '\''); - appendText(&s, "||'.'||name FROM ", 0); - } - appendText(&s, zDbName, '"'); - appendText(&s, ".sqlite_master ", 0); - if( c=='t' ){ - appendText(&s," WHERE type IN ('table','view')" - " AND name NOT LIKE 'sqlite_%'" - " AND name LIKE ?1", 0); - }else{ - appendText(&s," WHERE type='index'" - " AND tbl_name LIKE ?1", 0); - } - } - rc = sqlite3_finalize(pStmt); - appendText(&s, " ORDER BY 1", 0); - rc = sqlite3_prepare_v2(p->db, s.z, -1, &pStmt, 0); - freeText(&s); - if( rc ) return shellDatabaseError(p->db); - - /* Run the SQL statement prepared by the above block. Store the results - ** as an array of nul-terminated strings in azResult[]. */ - nRow = nAlloc = 0; - azResult = 0; - if( nArg>1 ){ - sqlite3_bind_text(pStmt, 1, azArg[1], -1, SQLITE_TRANSIENT); - }else{ - sqlite3_bind_text(pStmt, 1, "%", -1, SQLITE_STATIC); - } - while( sqlite3_step(pStmt)==SQLITE_ROW ){ - if( nRow>=nAlloc ){ - char **azNew; - int n2 = nAlloc*2 + 10; - azNew = sqlite3_realloc64(azResult, sizeof(azResult[0])*n2); - if( azNew==0 ) shell_out_of_memory(); - nAlloc = n2; - azResult = azNew; - } - azResult[nRow] = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 0)); - if( 0==azResult[nRow] ) shell_out_of_memory(); - nRow++; - } - if( sqlite3_finalize(pStmt)!=SQLITE_OK ){ - rc = shellDatabaseError(p->db); - } - - /* Pretty-print the contents of array azResult[] to the output */ - if( rc==0 && nRow>0 ){ - int len, maxlen = 0; - int i, j; - int nPrintCol, nPrintRow; - for(i=0; i<nRow; i++){ - len = strlen30(azResult[i]); - if( len>maxlen ) maxlen = len; - } - nPrintCol = 80/(maxlen+2); - if( nPrintCol<1 ) nPrintCol = 1; - nPrintRow = (nRow + nPrintCol - 1)/nPrintCol; - for(i=0; i<nPrintRow; i++){ - for(j=i; j<nRow; j+=nPrintRow){ - char *zSp = j<nPrintRow ? "" : " "; - utf8_printf(p->out, "%s%-*s", zSp, maxlen, - azResult[j] ? azResult[j]:""); - } - raw_printf(p->out, "\n"); - } - } - - for(ii=0; ii<nRow; ii++) sqlite3_free(azResult[ii]); - sqlite3_free(azResult); - }else - - /* Begin redirecting output to the file "testcase-out.txt" */ - if( c=='t' && strcmp(azArg[0],"testcase")==0 ){ - output_reset(p); - p->out = output_file_open("testcase-out.txt", 0); - if( p->out==0 ){ - raw_printf(stderr, "Error: cannot open 'testcase-out.txt'\n"); - } - if( nArg>=2 ){ - sqlite3_snprintf(sizeof(p->zTestcase), p->zTestcase, "%s", azArg[1]); - }else{ - sqlite3_snprintf(sizeof(p->zTestcase), p->zTestcase, "?"); - } - }else - -#ifndef SQLITE_UNTESTABLE - if( c=='t' && n>=8 && strncmp(azArg[0], "testctrl", n)==0 ){ - static const struct { - const char *zCtrlName; /* Name of a test-control option */ - int ctrlCode; /* Integer code for that option */ - const char *zUsage; /* Usage notes */ - } aCtrl[] = { - { "always", SQLITE_TESTCTRL_ALWAYS, "BOOLEAN" }, - { "assert", SQLITE_TESTCTRL_ASSERT, "BOOLEAN" }, - /*{ "benign_malloc_hooks",SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS, "" },*/ - /*{ "bitvec_test", SQLITE_TESTCTRL_BITVEC_TEST, "" },*/ - { "byteorder", SQLITE_TESTCTRL_BYTEORDER, "" }, - /*{ "fault_install", SQLITE_TESTCTRL_FAULT_INSTALL, "" }, */ - { "imposter", SQLITE_TESTCTRL_IMPOSTER, "SCHEMA ON/OFF ROOTPAGE"}, - { "localtime_fault", SQLITE_TESTCTRL_LOCALTIME_FAULT,"BOOLEAN" }, - { "never_corrupt", SQLITE_TESTCTRL_NEVER_CORRUPT, "BOOLEAN" }, - { "optimizations", SQLITE_TESTCTRL_OPTIMIZATIONS, "DISABLE-MASK" }, -#ifdef YYCOVERAGE - { "parser_coverage", SQLITE_TESTCTRL_PARSER_COVERAGE, "" }, -#endif - { "pending_byte", SQLITE_TESTCTRL_PENDING_BYTE, "OFFSET " }, - { "prng_reset", SQLITE_TESTCTRL_PRNG_RESET, "" }, - { "prng_restore", SQLITE_TESTCTRL_PRNG_RESTORE, "" }, - { "prng_save", SQLITE_TESTCTRL_PRNG_SAVE, "" }, - { "reserve", SQLITE_TESTCTRL_RESERVE, "BYTES-OF-RESERVE" }, - }; - int testctrl = -1; - int iCtrl = -1; - int rc2 = 0; /* 0: usage. 1: %d 2: %x 3: no-output */ - int isOk = 0; - int i, n2; - const char *zCmd = 0; - - open_db(p, 0); - zCmd = nArg>=2 ? azArg[1] : "help"; - - /* The argument can optionally begin with "-" or "--" */ - if( zCmd[0]=='-' && zCmd[1] ){ - zCmd++; - if( zCmd[0]=='-' && zCmd[1] ) zCmd++; - } - - /* --help lists all test-controls */ - if( strcmp(zCmd,"help")==0 ){ - utf8_printf(p->out, "Available test-controls:\n"); - for(i=0; i<ArraySize(aCtrl); i++){ - utf8_printf(p->out, " .testctrl %s %s\n", - aCtrl[i].zCtrlName, aCtrl[i].zUsage); - } - rc = 1; - goto meta_command_exit; - } - - /* convert testctrl text option to value. allow any unique prefix - ** of the option name, or a numerical value. */ - n2 = strlen30(zCmd); - for(i=0; i<ArraySize(aCtrl); i++){ - if( strncmp(zCmd, aCtrl[i].zCtrlName, n2)==0 ){ - if( testctrl<0 ){ - testctrl = aCtrl[i].ctrlCode; - iCtrl = i; - }else{ - utf8_printf(stderr, "Error: ambiguous test-control: \"%s\"\n" - "Use \".testctrl --help\" for help\n", zCmd); - rc = 1; - goto meta_command_exit; - } - } - } - if( testctrl<0 ){ - utf8_printf(stderr,"Error: unknown test-control: %s\n" - "Use \".testctrl --help\" for help\n", zCmd); - }else{ - switch(testctrl){ - - /* sqlite3_test_control(int, db, int) */ - case SQLITE_TESTCTRL_OPTIMIZATIONS: - case SQLITE_TESTCTRL_RESERVE: - if( nArg==3 ){ - int opt = (int)strtol(azArg[2], 0, 0); - rc2 = sqlite3_test_control(testctrl, p->db, opt); - isOk = 3; - } - break; - - /* sqlite3_test_control(int) */ - case SQLITE_TESTCTRL_PRNG_SAVE: - case SQLITE_TESTCTRL_PRNG_RESTORE: - case SQLITE_TESTCTRL_PRNG_RESET: - case SQLITE_TESTCTRL_BYTEORDER: - if( nArg==2 ){ - rc2 = sqlite3_test_control(testctrl); - isOk = testctrl==SQLITE_TESTCTRL_BYTEORDER ? 1 : 3; - } - break; - - /* sqlite3_test_control(int, uint) */ - case SQLITE_TESTCTRL_PENDING_BYTE: - if( nArg==3 ){ - unsigned int opt = (unsigned int)integerValue(azArg[2]); - rc2 = sqlite3_test_control(testctrl, opt); - isOk = 3; - } - break; - - /* sqlite3_test_control(int, int) */ - case SQLITE_TESTCTRL_ASSERT: - case SQLITE_TESTCTRL_ALWAYS: - if( nArg==3 ){ - int opt = booleanValue(azArg[2]); - rc2 = sqlite3_test_control(testctrl, opt); - isOk = 1; - } - break; - - /* sqlite3_test_control(int, int) */ - case SQLITE_TESTCTRL_LOCALTIME_FAULT: - case SQLITE_TESTCTRL_NEVER_CORRUPT: - if( nArg==3 ){ - int opt = booleanValue(azArg[2]); - rc2 = sqlite3_test_control(testctrl, opt); - isOk = 3; - } - break; - - case SQLITE_TESTCTRL_IMPOSTER: - if( nArg==5 ){ - rc2 = sqlite3_test_control(testctrl, p->db, - azArg[2], - integerValue(azArg[3]), - integerValue(azArg[4])); - isOk = 3; - } - break; - -#ifdef YYCOVERAGE - case SQLITE_TESTCTRL_PARSER_COVERAGE: - if( nArg==2 ){ - sqlite3_test_control(testctrl, p->out); - isOk = 3; - } -#endif - } - } - if( isOk==0 && iCtrl>=0 ){ - utf8_printf(p->out, "Usage: .testctrl %s %s\n", zCmd, aCtrl[iCtrl].zUsage); - rc = 1; - }else if( isOk==1 ){ - raw_printf(p->out, "%d\n", rc2); - }else if( isOk==2 ){ - raw_printf(p->out, "0x%08x\n", rc2); - } - }else -#endif /* !defined(SQLITE_UNTESTABLE) */ - - if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 ){ - open_db(p, 0); - sqlite3_busy_timeout(p->db, nArg>=2 ? (int)integerValue(azArg[1]) : 0); - }else - - if( c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0 ){ - if( nArg==2 ){ - enableTimer = booleanValue(azArg[1]); - if( enableTimer && !HAS_TIMER ){ - raw_printf(stderr, "Error: timer not available on this system.\n"); - enableTimer = 0; - } - }else{ - raw_printf(stderr, "Usage: .timer on|off\n"); - rc = 1; - } - }else - - if( c=='t' && strncmp(azArg[0], "trace", n)==0 ){ - open_db(p, 0); - if( nArg!=2 ){ - raw_printf(stderr, "Usage: .trace FILE|off\n"); - rc = 1; - goto meta_command_exit; - } - output_file_close(p->traceOut); - p->traceOut = output_file_open(azArg[1], 0); -#if !defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_OMIT_FLOATING_POINT) - if( p->traceOut==0 ){ - sqlite3_trace_v2(p->db, 0, 0, 0); - }else{ - sqlite3_trace_v2(p->db, SQLITE_TRACE_STMT, sql_trace_callback,p->traceOut); - } -#endif - }else - -#if SQLITE_USER_AUTHENTICATION - if( c=='u' && strncmp(azArg[0], "user", n)==0 ){ - if( nArg<2 ){ - raw_printf(stderr, "Usage: .user SUBCOMMAND ...\n"); - rc = 1; - goto meta_command_exit; - } - open_db(p, 0); - if( strcmp(azArg[1],"login")==0 ){ - if( nArg!=4 ){ - raw_printf(stderr, "Usage: .user login USER PASSWORD\n"); - rc = 1; - goto meta_command_exit; - } - rc = sqlite3_user_authenticate(p->db, azArg[2], azArg[3], strlen30(azArg[3])); - if( rc ){ - utf8_printf(stderr, "Authentication failed for user %s\n", azArg[2]); - rc = 1; - } - }else if( strcmp(azArg[1],"add")==0 ){ - if( nArg!=5 ){ - raw_printf(stderr, "Usage: .user add USER PASSWORD ISADMIN\n"); - rc = 1; - goto meta_command_exit; - } - rc = sqlite3_user_add(p->db, azArg[2], azArg[3], strlen30(azArg[3]), - booleanValue(azArg[4])); - if( rc ){ - raw_printf(stderr, "User-Add failed: %d\n", rc); - rc = 1; - } - }else if( strcmp(azArg[1],"edit")==0 ){ - if( nArg!=5 ){ - raw_printf(stderr, "Usage: .user edit USER PASSWORD ISADMIN\n"); - rc = 1; - goto meta_command_exit; - } - rc = sqlite3_user_change(p->db, azArg[2], azArg[3], strlen30(azArg[3]), - booleanValue(azArg[4])); - if( rc ){ - raw_printf(stderr, "User-Edit failed: %d\n", rc); - rc = 1; - } - }else if( strcmp(azArg[1],"delete")==0 ){ - if( nArg!=3 ){ - raw_printf(stderr, "Usage: .user delete USER\n"); - rc = 1; - goto meta_command_exit; - } - rc = sqlite3_user_delete(p->db, azArg[2]); - if( rc ){ - raw_printf(stderr, "User-Delete failed: %d\n", rc); - rc = 1; - } - }else{ - raw_printf(stderr, "Usage: .user login|add|edit|delete ...\n"); - rc = 1; - goto meta_command_exit; - } - }else -#endif /* SQLITE_USER_AUTHENTICATION */ - - if( c=='v' && strncmp(azArg[0], "version", n)==0 ){ - utf8_printf(p->out, "SQLite %s %s\n" /*extra-version-info*/, - sqlite3_libversion(), sqlite3_sourceid()); -#if SQLITE_HAVE_ZLIB - utf8_printf(p->out, "zlib version %s\n", zlibVersion()); -#endif -#define CTIMEOPT_VAL_(opt) #opt -#define CTIMEOPT_VAL(opt) CTIMEOPT_VAL_(opt) -#if defined(__clang__) && defined(__clang_major__) - utf8_printf(p->out, "clang-" CTIMEOPT_VAL(__clang_major__) "." - CTIMEOPT_VAL(__clang_minor__) "." - CTIMEOPT_VAL(__clang_patchlevel__) "\n"); -#elif defined(_MSC_VER) - utf8_printf(p->out, "msvc-" CTIMEOPT_VAL(_MSC_VER) "\n"); -#elif defined(__GNUC__) && defined(__VERSION__) - utf8_printf(p->out, "gcc-" __VERSION__ "\n"); -#endif - }else - - if( c=='v' && strncmp(azArg[0], "vfsinfo", n)==0 ){ - const char *zDbName = nArg==2 ? azArg[1] : "main"; - sqlite3_vfs *pVfs = 0; - if( p->db ){ - sqlite3_file_control(p->db, zDbName, SQLITE_FCNTL_VFS_POINTER, &pVfs); - if( pVfs ){ - utf8_printf(p->out, "vfs.zName = \"%s\"\n", pVfs->zName); - raw_printf(p->out, "vfs.iVersion = %d\n", pVfs->iVersion); - raw_printf(p->out, "vfs.szOsFile = %d\n", pVfs->szOsFile); - raw_printf(p->out, "vfs.mxPathname = %d\n", pVfs->mxPathname); - } - } - }else - - if( c=='v' && strncmp(azArg[0], "vfslist", n)==0 ){ - sqlite3_vfs *pVfs; - sqlite3_vfs *pCurrent = 0; - if( p->db ){ - sqlite3_file_control(p->db, "main", SQLITE_FCNTL_VFS_POINTER, &pCurrent); - } - for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){ - utf8_printf(p->out, "vfs.zName = \"%s\"%s\n", pVfs->zName, - pVfs==pCurrent ? " <--- CURRENT" : ""); - raw_printf(p->out, "vfs.iVersion = %d\n", pVfs->iVersion); - raw_printf(p->out, "vfs.szOsFile = %d\n", pVfs->szOsFile); - raw_printf(p->out, "vfs.mxPathname = %d\n", pVfs->mxPathname); - if( pVfs->pNext ){ - raw_printf(p->out, "-----------------------------------\n"); - } - } - }else - - if( c=='v' && strncmp(azArg[0], "vfsname", n)==0 ){ - const char *zDbName = nArg==2 ? azArg[1] : "main"; - char *zVfsName = 0; - if( p->db ){ - sqlite3_file_control(p->db, zDbName, SQLITE_FCNTL_VFSNAME, &zVfsName); - if( zVfsName ){ - utf8_printf(p->out, "%s\n", zVfsName); - sqlite3_free(zVfsName); - } - } - }else - -#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE) - if( c=='w' && strncmp(azArg[0], "wheretrace", n)==0 ){ - sqlite3WhereTrace = nArg>=2 ? booleanValue(azArg[1]) : 0xff; - }else -#endif - - if( c=='w' && strncmp(azArg[0], "width", n)==0 ){ - int j; - assert( nArg<=ArraySize(azArg) ); - for(j=1; j<nArg && j<ArraySize(p->colWidth); j++){ - p->colWidth[j-1] = (int)integerValue(azArg[j]); - } - }else - - { - utf8_printf(stderr, "Error: unknown command or invalid arguments: " - " \"%s\". Enter \".help\" for help\n", azArg[0]); - rc = 1; - } - -meta_command_exit: - if( p->outCount ){ - p->outCount--; - if( p->outCount==0 ) output_reset(p); - } - return rc; -} - -/* -** Return TRUE if a semicolon occurs anywhere in the first N characters -** of string z[]. -*/ -static int line_contains_semicolon(const char *z, int N){ - int i; - for(i=0; i<N; i++){ if( z[i]==';' ) return 1; } - return 0; -} - -/* -** Test to see if a line consists entirely of whitespace. -*/ -static int _all_whitespace(const char *z){ - for(; *z; z++){ - if( IsSpace(z[0]) ) continue; - if( *z=='/' && z[1]=='*' ){ - z += 2; - while( *z && (*z!='*' || z[1]!='/') ){ z++; } - if( *z==0 ) return 0; - z++; - continue; - } - if( *z=='-' && z[1]=='-' ){ - z += 2; - while( *z && *z!='\n' ){ z++; } - if( *z==0 ) return 1; - continue; - } - return 0; - } - return 1; -} - -/* -** Return TRUE if the line typed in is an SQL command terminator other -** than a semi-colon. The SQL Server style "go" command is understood -** as is the Oracle "/". -*/ -static int line_is_command_terminator(const char *zLine){ - while( IsSpace(zLine[0]) ){ zLine++; }; - if( zLine[0]=='/' && _all_whitespace(&zLine[1]) ){ - return 1; /* Oracle */ - } - if( ToLower(zLine[0])=='g' && ToLower(zLine[1])=='o' - && _all_whitespace(&zLine[2]) ){ - return 1; /* SQL Server */ - } - return 0; -} - -/* -** We need a default sqlite3_complete() implementation to use in case -** the shell is compiled with SQLITE_OMIT_COMPLETE. The default assumes -** any arbitrary text is a complete SQL statement. This is not very -** user-friendly, but it does seem to work. -*/ -#ifdef SQLITE_OMIT_COMPLETE -int sqlite3_complete(const char *zSql){ return 1; } -#endif - -/* -** Return true if zSql is a complete SQL statement. Return false if it -** ends in the middle of a string literal or C-style comment. -*/ -static int line_is_complete(char *zSql, int nSql){ - int rc; - if( zSql==0 ) return 1; - zSql[nSql] = ';'; - zSql[nSql+1] = 0; - rc = sqlite3_complete(zSql); - zSql[nSql] = 0; - return rc; -} - -/* -** Run a single line of SQL. Return the number of errors. -*/ -static int runOneSqlLine(ShellState *p, char *zSql, FILE *in, int startline){ - int rc; - char *zErrMsg = 0; - - open_db(p, 0); - if( ShellHasFlag(p,SHFLG_Backslash) ) resolve_backslashes(zSql); - BEGIN_TIMER; - rc = shell_exec(p, zSql, &zErrMsg); - END_TIMER; - if( rc || zErrMsg ){ - char zPrefix[100]; - if( in!=0 || !stdin_is_interactive ){ - sqlite3_snprintf(sizeof(zPrefix), zPrefix, - "Error: near line %d:", startline); - }else{ - sqlite3_snprintf(sizeof(zPrefix), zPrefix, "Error:"); - } - if( zErrMsg!=0 ){ - utf8_printf(stderr, "%s %s\n", zPrefix, zErrMsg); - sqlite3_free(zErrMsg); - zErrMsg = 0; - }else{ - utf8_printf(stderr, "%s %s\n", zPrefix, sqlite3_errmsg(p->db)); - } - return 1; - }else if( ShellHasFlag(p, SHFLG_CountChanges) ){ - raw_printf(p->out, "changes: %3d total_changes: %d\n", - sqlite3_changes(p->db), sqlite3_total_changes(p->db)); - } - return 0; -} - - -/* -** Read input from *in and process it. If *in==0 then input -** is interactive - the user is typing it it. Otherwise, input -** is coming from a file or device. A prompt is issued and history -** is saved only if input is interactive. An interrupt signal will -** cause this routine to exit immediately, unless input is interactive. -** -** Return the number of errors. -*/ -static int process_input(ShellState *p, FILE *in){ - char *zLine = 0; /* A single input line */ - char *zSql = 0; /* Accumulated SQL text */ - int nLine; /* Length of current line */ - int nSql = 0; /* Bytes of zSql[] used */ - int nAlloc = 0; /* Allocated zSql[] space */ - int nSqlPrior = 0; /* Bytes of zSql[] used by prior line */ - int rc; /* Error code */ - int errCnt = 0; /* Number of errors seen */ - int lineno = 0; /* Current line number */ - int startline = 0; /* Line number for start of current input */ - - while( errCnt==0 || !bail_on_error || (in==0 && stdin_is_interactive) ){ - fflush(p->out); - zLine = one_input_line(in, zLine, nSql>0); - if( zLine==0 ){ - /* End of input */ - if( in==0 && stdin_is_interactive ) printf("\n"); - break; - } - if( seenInterrupt ){ - if( in!=0 ) break; - seenInterrupt = 0; - } - lineno++; - if( nSql==0 && _all_whitespace(zLine) ){ - if( ShellHasFlag(p, SHFLG_Echo) ) printf("%s\n", zLine); - continue; - } - if( zLine && (zLine[0]=='.' || zLine[0]=='#') && nSql==0 ){ - if( ShellHasFlag(p, SHFLG_Echo) ) printf("%s\n", zLine); - if( zLine[0]=='.' ){ - rc = do_meta_command(zLine, p); - if( rc==2 ){ /* exit requested */ - break; - }else if( rc ){ - errCnt++; - } - } - continue; - } - if( line_is_command_terminator(zLine) && line_is_complete(zSql, nSql) ){ - memcpy(zLine,";",2); - } - nLine = strlen30(zLine); - if( nSql+nLine+2>=nAlloc ){ - nAlloc = nSql+nLine+100; - zSql = realloc(zSql, nAlloc); - if( zSql==0 ) shell_out_of_memory(); - } - nSqlPrior = nSql; - if( nSql==0 ){ - int i; - for(i=0; zLine[i] && IsSpace(zLine[i]); i++){} - assert( nAlloc>0 && zSql!=0 ); - memcpy(zSql, zLine+i, nLine+1-i); - startline = lineno; - nSql = nLine-i; - }else{ - zSql[nSql++] = '\n'; - memcpy(zSql+nSql, zLine, nLine+1); - nSql += nLine; - } - if( nSql && line_contains_semicolon(&zSql[nSqlPrior], nSql-nSqlPrior) - && sqlite3_complete(zSql) ){ - errCnt += runOneSqlLine(p, zSql, in, startline); - nSql = 0; - if( p->outCount ){ - output_reset(p); - p->outCount = 0; - }else{ - clearTempFile(p); - } - }else if( nSql && _all_whitespace(zSql) ){ - if( ShellHasFlag(p, SHFLG_Echo) ) printf("%s\n", zSql); - nSql = 0; - } - } - if( nSql && !_all_whitespace(zSql) ){ - errCnt += runOneSqlLine(p, zSql, in, startline); - } - free(zSql); - free(zLine); - return errCnt>0; -} - -/* -** Return a pathname which is the user's home directory. A -** 0 return indicates an error of some kind. -*/ -static char *find_home_dir(int clearFlag){ - static char *home_dir = NULL; - if( clearFlag ){ - free(home_dir); - home_dir = 0; - return 0; - } - if( home_dir ) return home_dir; - -#if !defined(_WIN32) && !defined(WIN32) && !defined(_WIN32_WCE) \ - && !defined(__RTP__) && !defined(_WRS_KERNEL) - { - struct passwd *pwent; - uid_t uid = getuid(); - if( (pwent=getpwuid(uid)) != NULL) { - home_dir = pwent->pw_dir; - } - } -#endif - -#if defined(_WIN32_WCE) - /* Windows CE (arm-wince-mingw32ce-gcc) does not provide getenv() - */ - home_dir = "/"; -#else - -#if defined(_WIN32) || defined(WIN32) - if (!home_dir) { - home_dir = getenv("USERPROFILE"); - } -#endif - - if (!home_dir) { - home_dir = getenv("HOME"); - } - -#if defined(_WIN32) || defined(WIN32) - if (!home_dir) { - char *zDrive, *zPath; - int n; - zDrive = getenv("HOMEDRIVE"); - zPath = getenv("HOMEPATH"); - if( zDrive && zPath ){ - n = strlen30(zDrive) + strlen30(zPath) + 1; - home_dir = malloc( n ); - if( home_dir==0 ) return 0; - sqlite3_snprintf(n, home_dir, "%s%s", zDrive, zPath); - return home_dir; - } - home_dir = "c:\\"; - } -#endif - -#endif /* !_WIN32_WCE */ - - if( home_dir ){ - int n = strlen30(home_dir) + 1; - char *z = malloc( n ); - if( z ) memcpy(z, home_dir, n); - home_dir = z; - } - - return home_dir; -} - -/* -** Read input from the file given by sqliterc_override. Or if that -** parameter is NULL, take input from ~/.sqliterc -** -** Returns the number of errors. -*/ -static void process_sqliterc( - ShellState *p, /* Configuration data */ - const char *sqliterc_override /* Name of config file. NULL to use default */ -){ - char *home_dir = NULL; - const char *sqliterc = sqliterc_override; - char *zBuf = 0; - FILE *in = NULL; - - if (sqliterc == NULL) { - home_dir = find_home_dir(0); - if( home_dir==0 ){ - raw_printf(stderr, "-- warning: cannot find home directory;" - " cannot read ~/.sqliterc\n"); - return; - } - zBuf = sqlite3_mprintf("%s/.sqliterc",home_dir); - sqliterc = zBuf; - } - in = fopen(sqliterc,"rb"); - if( in ){ - if( stdin_is_interactive ){ - utf8_printf(stderr,"-- Loading resources from %s\n",sqliterc); - } - process_input(p,in); - fclose(in); - } - sqlite3_free(zBuf); -} - -/* -** Show available command line options -*/ -static const char zOptions[] = -#if defined(SQLITE_HAVE_ZLIB) && !defined(SQLITE_OMIT_VIRTUALTABLE) - " -A ARGS... run \".archive ARGS\" and exit\n" -#endif - " -append append the database to the end of the file\n" - " -ascii set output mode to 'ascii'\n" - " -bail stop after hitting an error\n" - " -batch force batch I/O\n" - " -column set output mode to 'column'\n" - " -cmd COMMAND run \"COMMAND\" before reading stdin\n" - " -csv set output mode to 'csv'\n" - " -echo print commands before execution\n" - " -init FILENAME read/process named file\n" - " -[no]header turn headers on or off\n" -#if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5) - " -heap SIZE Size of heap for memsys3 or memsys5\n" -#endif - " -help show this message\n" - " -html set output mode to HTML\n" - " -interactive force interactive I/O\n" - " -line set output mode to 'line'\n" - " -list set output mode to 'list'\n" - " -lookaside SIZE N use N entries of SZ bytes for lookaside memory\n" - " -mmap N default mmap size set to N\n" -#ifdef SQLITE_ENABLE_MULTIPLEX - " -multiplex enable the multiplexor VFS\n" -#endif - " -newline SEP set output row separator. Default: '\\n'\n" - " -nullvalue TEXT set text string for NULL values. Default ''\n" - " -pagecache SIZE N use N slots of SZ bytes each for page cache memory\n" - " -quote set output mode to 'quote'\n" - " -readonly open the database read-only\n" - " -separator SEP set output column separator. Default: '|'\n" -#ifdef SQLITE_ENABLE_SORTER_REFERENCES - " -sorterref SIZE sorter references threshold size\n" -#endif - " -stats print memory stats before each finalize\n" - " -version show SQLite version\n" - " -vfs NAME use NAME as the default VFS\n" -#ifdef SQLITE_ENABLE_VFSTRACE - " -vfstrace enable tracing of all VFS calls\n" -#endif -#ifdef SQLITE_HAVE_ZLIB - " -zip open the file as a ZIP Archive\n" -#endif -; -static void usage(int showDetail){ - utf8_printf(stderr, - "Usage: %s [OPTIONS] FILENAME [SQL]\n" - "FILENAME is the name of an SQLite database. A new database is created\n" - "if the file does not previously exist.\n", Argv0); - if( showDetail ){ - utf8_printf(stderr, "OPTIONS include:\n%s", zOptions); - }else{ - raw_printf(stderr, "Use the -help option for additional information\n"); - } - exit(1); -} - -/* -** Internal check: Verify that the SQLite is uninitialized. Print a -** error message if it is initialized. -*/ -static void verify_uninitialized(void){ - if( sqlite3_config(-1)==SQLITE_MISUSE ){ - utf8_printf(stdout, "WARNING: attempt to configure SQLite after" - " initialization.\n"); - } -} - -/* -** Initialize the state information in data -*/ -static void main_init(ShellState *data) { - memset(data, 0, sizeof(*data)); - data->normalMode = data->cMode = data->mode = MODE_List; - data->autoExplain = 1; - memcpy(data->colSeparator,SEP_Column, 2); - memcpy(data->rowSeparator,SEP_Row, 2); - data->showHeader = 0; - data->shellFlgs = SHFLG_Lookaside; - verify_uninitialized(); - sqlite3_config(SQLITE_CONFIG_URI, 1); - sqlite3_config(SQLITE_CONFIG_LOG, shellLog, data); - sqlite3_config(SQLITE_CONFIG_MULTITHREAD); - sqlite3_snprintf(sizeof(mainPrompt), mainPrompt,"sqlite> "); - sqlite3_snprintf(sizeof(continuePrompt), continuePrompt," ...> "); -} - -/* -** Output text to the console in a font that attracts extra attention. -*/ -#ifdef _WIN32 -static void printBold(const char *zText){ - HANDLE out = GetStdHandle(STD_OUTPUT_HANDLE); - CONSOLE_SCREEN_BUFFER_INFO defaultScreenInfo; - GetConsoleScreenBufferInfo(out, &defaultScreenInfo); - SetConsoleTextAttribute(out, - FOREGROUND_RED|FOREGROUND_INTENSITY - ); - printf("%s", zText); - SetConsoleTextAttribute(out, defaultScreenInfo.wAttributes); -} -#else -static void printBold(const char *zText){ - printf("\033[1m%s\033[0m", zText); -} -#endif - -/* -** Get the argument to an --option. Throw an error and die if no argument -** is available. -*/ -static char *cmdline_option_value(int argc, char **argv, int i){ - if( i==argc ){ - utf8_printf(stderr, "%s: Error: missing argument to %s\n", - argv[0], argv[argc-1]); - exit(1); - } - return argv[i]; -} - -#ifndef SQLITE_SHELL_IS_UTF8 -# if (defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER) -# define SQLITE_SHELL_IS_UTF8 (0) -# else -# define SQLITE_SHELL_IS_UTF8 (1) -# endif -#endif - -#if SQLITE_SHELL_IS_UTF8 -int SQLITE_CDECL main(int argc, char **argv){ -#else -int SQLITE_CDECL wmain(int argc, wchar_t **wargv){ - char **argv; -#endif - char *zErrMsg = 0; - ShellState data; - const char *zInitFile = 0; - int i; - int rc = 0; - int warnInmemoryDb = 0; - int readStdin = 1; - int nCmd = 0; - char **azCmd = 0; - const char *zVfs = 0; /* Value of -vfs command-line option */ -#if !SQLITE_SHELL_IS_UTF8 - char **argvToFree = 0; - int argcToFree = 0; -#endif - - setBinaryMode(stdin, 0); - setvbuf(stderr, 0, _IONBF, 0); /* Make sure stderr is unbuffered */ - stdin_is_interactive = isatty(0); - stdout_is_console = isatty(1); - -#if USE_SYSTEM_SQLITE+0!=1 - if( strncmp(sqlite3_sourceid(),SQLITE_SOURCE_ID,60)!=0 ){ - utf8_printf(stderr, "SQLite header and source version mismatch\n%s\n%s\n", - sqlite3_sourceid(), SQLITE_SOURCE_ID); - exit(1); - } -#endif - main_init(&data); - - /* On Windows, we must translate command-line arguments into UTF-8. - ** The SQLite memory allocator subsystem has to be enabled in order to - ** do this. But we want to run an sqlite3_shutdown() afterwards so that - ** subsequent sqlite3_config() calls will work. So copy all results into - ** memory that does not come from the SQLite memory allocator. - */ -#if !SQLITE_SHELL_IS_UTF8 - sqlite3_initialize(); - argvToFree = malloc(sizeof(argv[0])*argc*2); - argcToFree = argc; - argv = argvToFree + argc; - if( argv==0 ) shell_out_of_memory(); - for(i=0; i<argc; i++){ - char *z = sqlite3_win32_unicode_to_utf8(wargv[i]); - int n; - if( z==0 ) shell_out_of_memory(); - n = (int)strlen(z); - argv[i] = malloc( n+1 ); - if( argv[i]==0 ) shell_out_of_memory(); - memcpy(argv[i], z, n+1); - argvToFree[i] = argv[i]; - sqlite3_free(z); - } - sqlite3_shutdown(); -#endif - - assert( argc>=1 && argv && argv[0] ); - Argv0 = argv[0]; - - /* Make sure we have a valid signal handler early, before anything - ** else is done. - */ -#ifdef SIGINT - signal(SIGINT, interrupt_handler); -#elif (defined(_WIN32) || defined(WIN32)) && !defined(_WIN32_WCE) - SetConsoleCtrlHandler(ConsoleCtrlHandler, TRUE); -#endif - -#ifdef SQLITE_SHELL_DBNAME_PROC - { - /* If the SQLITE_SHELL_DBNAME_PROC macro is defined, then it is the name - ** of a C-function that will provide the name of the database file. Use - ** this compile-time option to embed this shell program in larger - ** applications. */ - extern void SQLITE_SHELL_DBNAME_PROC(const char**); - SQLITE_SHELL_DBNAME_PROC(&data.zDbFilename); - warnInmemoryDb = 0; - } -#endif - - /* Do an initial pass through the command-line argument to locate - ** the name of the database file, the name of the initialization file, - ** the size of the alternative malloc heap, - ** and the first command to execute. - */ - verify_uninitialized(); - for(i=1; i<argc; i++){ - char *z; - z = argv[i]; - if( z[0]!='-' ){ - if( data.zDbFilename==0 ){ - data.zDbFilename = z; - }else{ - /* Excesss arguments are interpreted as SQL (or dot-commands) and - ** mean that nothing is read from stdin */ - readStdin = 0; - nCmd++; - azCmd = realloc(azCmd, sizeof(azCmd[0])*nCmd); - if( azCmd==0 ) shell_out_of_memory(); - azCmd[nCmd-1] = z; - } - } - if( z[1]=='-' ) z++; - if( strcmp(z,"-separator")==0 - || strcmp(z,"-nullvalue")==0 - || strcmp(z,"-newline")==0 - || strcmp(z,"-cmd")==0 - ){ - (void)cmdline_option_value(argc, argv, ++i); - }else if( strcmp(z,"-init")==0 ){ - zInitFile = cmdline_option_value(argc, argv, ++i); - }else if( strcmp(z,"-batch")==0 ){ - /* Need to check for batch mode here to so we can avoid printing - ** informational messages (like from process_sqliterc) before - ** we do the actual processing of arguments later in a second pass. - */ - stdin_is_interactive = 0; - }else if( strcmp(z,"-heap")==0 ){ -#if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5) - const char *zSize; - sqlite3_int64 szHeap; - - zSize = cmdline_option_value(argc, argv, ++i); - szHeap = integerValue(zSize); - if( szHeap>0x7fff0000 ) szHeap = 0x7fff0000; - sqlite3_config(SQLITE_CONFIG_HEAP, malloc((int)szHeap), (int)szHeap, 64); -#else - (void)cmdline_option_value(argc, argv, ++i); -#endif - }else if( strcmp(z,"-pagecache")==0 ){ - int n, sz; - sz = (int)integerValue(cmdline_option_value(argc,argv,++i)); - if( sz>70000 ) sz = 70000; - if( sz<0 ) sz = 0; - n = (int)integerValue(cmdline_option_value(argc,argv,++i)); - sqlite3_config(SQLITE_CONFIG_PAGECACHE, - (n>0 && sz>0) ? malloc(n*sz) : 0, sz, n); - data.shellFlgs |= SHFLG_Pagecache; - }else if( strcmp(z,"-lookaside")==0 ){ - int n, sz; - sz = (int)integerValue(cmdline_option_value(argc,argv,++i)); - if( sz<0 ) sz = 0; - n = (int)integerValue(cmdline_option_value(argc,argv,++i)); - if( n<0 ) n = 0; - sqlite3_config(SQLITE_CONFIG_LOOKASIDE, sz, n); - if( sz*n==0 ) data.shellFlgs &= ~SHFLG_Lookaside; -#ifdef SQLITE_ENABLE_VFSTRACE - }else if( strcmp(z,"-vfstrace")==0 ){ - extern int vfstrace_register( - const char *zTraceName, - const char *zOldVfsName, - int (*xOut)(const char*,void*), - void *pOutArg, - int makeDefault - ); - vfstrace_register("trace",0,(int(*)(const char*,void*))fputs,stderr,1); -#endif -#ifdef SQLITE_ENABLE_MULTIPLEX - }else if( strcmp(z,"-multiplex")==0 ){ - extern int sqlite3_multiple_initialize(const char*,int); - sqlite3_multiplex_initialize(0, 1); -#endif - }else if( strcmp(z,"-mmap")==0 ){ - sqlite3_int64 sz = integerValue(cmdline_option_value(argc,argv,++i)); - sqlite3_config(SQLITE_CONFIG_MMAP_SIZE, sz, sz); -#ifdef SQLITE_ENABLE_SORTER_REFERENCES - }else if( strcmp(z,"-sorterref")==0 ){ - sqlite3_int64 sz = integerValue(cmdline_option_value(argc,argv,++i)); - sqlite3_config(SQLITE_CONFIG_SORTERREF_SIZE, (int)sz); -#endif - }else if( strcmp(z,"-vfs")==0 ){ - zVfs = cmdline_option_value(argc, argv, ++i); -#ifdef SQLITE_HAVE_ZLIB - }else if( strcmp(z,"-zip")==0 ){ - data.openMode = SHELL_OPEN_ZIPFILE; -#endif - }else if( strcmp(z,"-append")==0 ){ - data.openMode = SHELL_OPEN_APPENDVFS; - }else if( strcmp(z,"-readonly")==0 ){ - data.openMode = SHELL_OPEN_READONLY; -#if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB) - }else if( strncmp(z, "-A",2)==0 ){ - /* All remaining command-line arguments are passed to the ".archive" - ** command, so ignore them */ - break; -#endif - } - } - verify_uninitialized(); - - -#ifdef SQLITE_SHELL_INIT_PROC - { - /* If the SQLITE_SHELL_INIT_PROC macro is defined, then it is the name - ** of a C-function that will perform initialization actions on SQLite that - ** occur just before or after sqlite3_initialize(). Use this compile-time - ** option to embed this shell program in larger applications. */ - extern void SQLITE_SHELL_INIT_PROC(void); - SQLITE_SHELL_INIT_PROC(); - } -#else - /* All the sqlite3_config() calls have now been made. So it is safe - ** to call sqlite3_initialize() and process any command line -vfs option. */ - sqlite3_initialize(); -#endif - - if( zVfs ){ - sqlite3_vfs *pVfs = sqlite3_vfs_find(zVfs); - if( pVfs ){ - sqlite3_vfs_register(pVfs, 1); - }else{ - utf8_printf(stderr, "no such VFS: \"%s\"\n", argv[i]); - exit(1); - } - } - - if( data.zDbFilename==0 ){ -#ifndef SQLITE_OMIT_MEMORYDB - data.zDbFilename = ":memory:"; - warnInmemoryDb = argc==1; -#else - utf8_printf(stderr,"%s: Error: no database filename specified\n", Argv0); - return 1; -#endif - } - data.out = stdout; - sqlite3_appendvfs_init(0,0,0); - - /* Go ahead and open the database file if it already exists. If the - ** file does not exist, delay opening it. This prevents empty database - ** files from being created if a user mistypes the database name argument - ** to the sqlite command-line tool. - */ - if( access(data.zDbFilename, 0)==0 ){ - open_db(&data, 0); - } - - /* Process the initialization file if there is one. If no -init option - ** is given on the command line, look for a file named ~/.sqliterc and - ** try to process it. - */ - process_sqliterc(&data,zInitFile); - - /* Make a second pass through the command-line argument and set - ** options. This second pass is delayed until after the initialization - ** file is processed so that the command-line arguments will override - ** settings in the initialization file. - */ - for(i=1; i<argc; i++){ - char *z = argv[i]; - if( z[0]!='-' ) continue; - if( z[1]=='-' ){ z++; } - if( strcmp(z,"-init")==0 ){ - i++; - }else if( strcmp(z,"-html")==0 ){ - data.mode = MODE_Html; - }else if( strcmp(z,"-list")==0 ){ - data.mode = MODE_List; - }else if( strcmp(z,"-quote")==0 ){ - data.mode = MODE_Quote; - }else if( strcmp(z,"-line")==0 ){ - data.mode = MODE_Line; - }else if( strcmp(z,"-column")==0 ){ - data.mode = MODE_Column; - }else if( strcmp(z,"-csv")==0 ){ - data.mode = MODE_Csv; - memcpy(data.colSeparator,",",2); -#ifdef SQLITE_HAVE_ZLIB - }else if( strcmp(z,"-zip")==0 ){ - data.openMode = SHELL_OPEN_ZIPFILE; -#endif - }else if( strcmp(z,"-append")==0 ){ - data.openMode = SHELL_OPEN_APPENDVFS; - }else if( strcmp(z,"-readonly")==0 ){ - data.openMode = SHELL_OPEN_READONLY; - }else if( strcmp(z,"-ascii")==0 ){ - data.mode = MODE_Ascii; - sqlite3_snprintf(sizeof(data.colSeparator), data.colSeparator, - SEP_Unit); - sqlite3_snprintf(sizeof(data.rowSeparator), data.rowSeparator, - SEP_Record); - }else if( strcmp(z,"-separator")==0 ){ - sqlite3_snprintf(sizeof(data.colSeparator), data.colSeparator, - "%s",cmdline_option_value(argc,argv,++i)); - }else if( strcmp(z,"-newline")==0 ){ - sqlite3_snprintf(sizeof(data.rowSeparator), data.rowSeparator, - "%s",cmdline_option_value(argc,argv,++i)); - }else if( strcmp(z,"-nullvalue")==0 ){ - sqlite3_snprintf(sizeof(data.nullValue), data.nullValue, - "%s",cmdline_option_value(argc,argv,++i)); - }else if( strcmp(z,"-header")==0 ){ - data.showHeader = 1; - }else if( strcmp(z,"-noheader")==0 ){ - data.showHeader = 0; - }else if( strcmp(z,"-echo")==0 ){ - ShellSetFlag(&data, SHFLG_Echo); - }else if( strcmp(z,"-eqp")==0 ){ - data.autoEQP = AUTOEQP_on; - }else if( strcmp(z,"-eqpfull")==0 ){ - data.autoEQP = AUTOEQP_full; - }else if( strcmp(z,"-stats")==0 ){ - data.statsOn = 1; - }else if( strcmp(z,"-scanstats")==0 ){ - data.scanstatsOn = 1; - }else if( strcmp(z,"-backslash")==0 ){ - /* Undocumented command-line option: -backslash - ** Causes C-style backslash escapes to be evaluated in SQL statements - ** prior to sending the SQL into SQLite. Useful for injecting - ** crazy bytes in the middle of SQL statements for testing and debugging. - */ - ShellSetFlag(&data, SHFLG_Backslash); - }else if( strcmp(z,"-bail")==0 ){ - bail_on_error = 1; - }else if( strcmp(z,"-version")==0 ){ - printf("%s %s\n", sqlite3_libversion(), sqlite3_sourceid()); - return 0; - }else if( strcmp(z,"-interactive")==0 ){ - stdin_is_interactive = 1; - }else if( strcmp(z,"-batch")==0 ){ - stdin_is_interactive = 0; - }else if( strcmp(z,"-heap")==0 ){ - i++; - }else if( strcmp(z,"-pagecache")==0 ){ - i+=2; - }else if( strcmp(z,"-lookaside")==0 ){ - i+=2; - }else if( strcmp(z,"-mmap")==0 ){ - i++; -#ifdef SQLITE_ENABLE_SORTER_REFERENCES - }else if( strcmp(z,"-sorterref")==0 ){ - i++; -#endif - }else if( strcmp(z,"-vfs")==0 ){ - i++; -#ifdef SQLITE_ENABLE_VFSTRACE - }else if( strcmp(z,"-vfstrace")==0 ){ - i++; -#endif -#ifdef SQLITE_ENABLE_MULTIPLEX - }else if( strcmp(z,"-multiplex")==0 ){ - i++; -#endif - }else if( strcmp(z,"-help")==0 ){ - usage(1); - }else if( strcmp(z,"-cmd")==0 ){ - /* Run commands that follow -cmd first and separately from commands - ** that simply appear on the command-line. This seems goofy. It would - ** be better if all commands ran in the order that they appear. But - ** we retain the goofy behavior for historical compatibility. */ - if( i==argc-1 ) break; - z = cmdline_option_value(argc,argv,++i); - if( z[0]=='.' ){ - rc = do_meta_command(z, &data); - if( rc && bail_on_error ) return rc==2 ? 0 : rc; - }else{ - open_db(&data, 0); - rc = shell_exec(&data, z, &zErrMsg); - if( zErrMsg!=0 ){ - utf8_printf(stderr,"Error: %s\n", zErrMsg); - if( bail_on_error ) return rc!=0 ? rc : 1; - }else if( rc!=0 ){ - utf8_printf(stderr,"Error: unable to process SQL \"%s\"\n", z); - if( bail_on_error ) return rc; - } - } -#if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB) - }else if( strncmp(z, "-A", 2)==0 ){ - if( nCmd>0 ){ - utf8_printf(stderr, "Error: cannot mix regular SQL or dot-commands" - " with \"%s\"\n", z); - return 1; - } - open_db(&data, OPEN_DB_ZIPFILE); - if( z[2] ){ - argv[i] = &z[2]; - arDotCommand(&data, 1, argv+(i-1), argc-(i-1)); - }else{ - arDotCommand(&data, 1, argv+i, argc-i); - } - readStdin = 0; - break; -#endif - }else{ - utf8_printf(stderr,"%s: Error: unknown option: %s\n", Argv0, z); - raw_printf(stderr,"Use -help for a list of options.\n"); - return 1; - } - data.cMode = data.mode; - } - - if( !readStdin ){ - /* Run all arguments that do not begin with '-' as if they were separate - ** command-line inputs, except for the argToSkip argument which contains - ** the database filename. - */ - for(i=0; i<nCmd; i++){ - if( azCmd[i][0]=='.' ){ - rc = do_meta_command(azCmd[i], &data); - if( rc ) return rc==2 ? 0 : rc; - }else{ - open_db(&data, 0); - rc = shell_exec(&data, azCmd[i], &zErrMsg); - if( zErrMsg!=0 ){ - utf8_printf(stderr,"Error: %s\n", zErrMsg); - return rc!=0 ? rc : 1; - }else if( rc!=0 ){ - utf8_printf(stderr,"Error: unable to process SQL: %s\n", azCmd[i]); - return rc; - } - } - } - free(azCmd); - }else{ - /* Run commands received from standard input - */ - if( stdin_is_interactive ){ - char *zHome; - char *zHistory = 0; - int nHistory; - printf( - "SQLite version %s %.19s\n" /*extra-version-info*/ - "Enter \".help\" for usage hints.\n", - sqlite3_libversion(), sqlite3_sourceid() - ); - if( warnInmemoryDb ){ - printf("Connected to a "); - printBold("transient in-memory database"); - printf(".\nUse \".open FILENAME\" to reopen on a " - "persistent database.\n"); - } - zHome = find_home_dir(0); - if( zHome ){ - nHistory = strlen30(zHome) + 20; - if( (zHistory = malloc(nHistory))!=0 ){ - sqlite3_snprintf(nHistory, zHistory,"%s/.sqlite_history", zHome); - } - } - if( zHistory ){ shell_read_history(zHistory); } -#if HAVE_READLINE || HAVE_EDITLINE - rl_attempted_completion_function = readline_completion; -#elif HAVE_LINENOISE - linenoiseSetCompletionCallback(linenoise_completion); -#endif - rc = process_input(&data, 0); - if( zHistory ){ - shell_stifle_history(2000); - shell_write_history(zHistory); - free(zHistory); - } - }else{ - rc = process_input(&data, stdin); - } - } - set_table_name(&data, 0); - if( data.db ){ - session_close_all(&data); - close_db(data.db); - } - sqlite3_free(data.zFreeOnClose); - find_home_dir(1); - output_reset(&data); - data.doXdgOpen = 0; - clearTempFile(&data); -#if !SQLITE_SHELL_IS_UTF8 - for(i=0; i<argcToFree; i++) free(argvToFree[i]); - free(argvToFree); -#endif - /* Clear the global data structure so that valgrind will detect memory - ** leaks */ - memset(&data, 0, sizeof(data)); - return rc; -} |