diff options
Diffstat (limited to 'chromium/third_party/sqlite/sqlite-src-3240000/ext/rbu/rbu.c')
| -rw-r--r-- | chromium/third_party/sqlite/sqlite-src-3240000/ext/rbu/rbu.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/chromium/third_party/sqlite/sqlite-src-3240000/ext/rbu/rbu.c b/chromium/third_party/sqlite/sqlite-src-3240000/ext/rbu/rbu.c deleted file mode 100644 index 1dac4523057..00000000000 --- a/chromium/third_party/sqlite/sqlite-src-3240000/ext/rbu/rbu.c +++ /dev/null @@ -1,188 +0,0 @@ -/* -** 2014 August 30 -** -** 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 a command-line application that uses the RBU -** extension. See the usage() function below for an explanation. -*/ - -#include "sqlite3rbu.h" -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -/* -** Print a usage message and exit. -*/ -void usage(const char *zArgv0){ - fprintf(stderr, -"Usage: %s ?OPTIONS? TARGET-DB RBU-DB\n" -"\n" -"Where options are:\n" -"\n" -" -step NSTEP\n" -" -statstep NSTATSTEP\n" -" -vacuum\n" -" -presql SQL\n" -"\n" -" If the -vacuum switch is not present, argument RBU-DB must be an RBU\n" -" database containing an update suitable for target database TARGET-DB.\n" -" Or, if -vacuum is specified, then TARGET-DB is a database to vacuum using\n" -" RBU, and RBU-DB is used as the state database for the vacuum (refer to\n" -" API documentation for details).\n" -"\n" -" If NSTEP is set to less than or equal to zero (the default value), this \n" -" program attempts to perform the entire update or vacuum operation before\n" -" exiting\n" -"\n" -" If NSTEP is greater than zero, then a maximum of NSTEP calls are made\n" -" to sqlite3rbu_step(). If the RBU update has not been completely applied\n" -" after the NSTEP'th call is made, the state is saved in the database RBU-DB\n" -" and the program exits. Subsequent invocations of this (or any other RBU)\n" -" application will use this state to resume applying the RBU update to the\n" -" target db.\n" -"\n" -, zArgv0); - exit(1); -} - -void report_default_vfs(){ - sqlite3_vfs *pVfs = sqlite3_vfs_find(0); - fprintf(stdout, "default vfs is \"%s\"\n", pVfs->zName); -} - -void report_rbu_vfs(sqlite3rbu *pRbu){ - sqlite3 *db = sqlite3rbu_db(pRbu, 0); - if( db ){ - char *zName = 0; - sqlite3_file_control(db, "main", SQLITE_FCNTL_VFSNAME, &zName); - if( zName ){ - fprintf(stdout, "using vfs \"%s\"\n", zName); - }else{ - fprintf(stdout, "vfs name not available\n"); - } - sqlite3_free(zName); - } -} - -int main(int argc, char **argv){ - int i; - const char *zTarget; /* Target database to apply RBU to */ - const char *zRbu; /* Database containing RBU */ - char zBuf[200]; /* Buffer for printf() */ - char *zErrmsg; /* Error message, if any */ - sqlite3rbu *pRbu; /* RBU handle */ - int nStep = 0; /* Maximum number of step() calls */ - int nStatStep = 0; /* Report stats after this many step calls */ - int bVacuum = 0; - const char *zPreSql = 0; - int rc; - sqlite3_int64 nProgress = 0; - int nArgc = argc-2; - - if( argc<3 ) usage(argv[0]); - for(i=1; i<nArgc; i++){ - const char *zArg = argv[i]; - int nArg = strlen(zArg); - if( nArg>1 && nArg<=8 && 0==memcmp(zArg, "-vacuum", nArg) ){ - bVacuum = 1; - }else if( nArg>1 && nArg<=7 - && 0==memcmp(zArg, "-presql", nArg) && i<nArg-1 ){ - i++; - zPreSql = argv[i]; - }else if( nArg>1 && nArg<=5 && 0==memcmp(zArg, "-step", nArg) && i<nArg-1 ){ - i++; - nStep = atoi(argv[i]); - }else if( nArg>1 && nArg<=9 - && 0==memcmp(zArg, "-statstep", nArg) && i<nArg-1 - ){ - i++; - nStatStep = atoi(argv[i]); - }else{ - usage(argv[0]); - } - } - - zTarget = argv[argc-2]; - zRbu = argv[argc-1]; - - report_default_vfs(); - - /* Open an RBU handle. A vacuum handle if -vacuum was specified, or a - ** regular RBU update handle otherwise. */ - if( bVacuum ){ - pRbu = sqlite3rbu_vacuum(zTarget, zRbu); - }else{ - pRbu = sqlite3rbu_open(zTarget, zRbu, 0); - } - report_rbu_vfs(pRbu); - - if( zPreSql && pRbu ){ - sqlite3 *db = sqlite3rbu_db(pRbu, 0); - rc = sqlite3_exec(db, zPreSql, 0, 0, 0); - if( rc==SQLITE_OK ){ - sqlite3 *db = sqlite3rbu_db(pRbu, 1); - rc = sqlite3_exec(db, zPreSql, 0, 0, 0); - } - } - - /* If nStep is less than or equal to zero, call - ** sqlite3rbu_step() until either the RBU has been completely applied - ** or an error occurs. Or, if nStep is greater than zero, call - ** sqlite3rbu_step() a maximum of nStep times. */ - if( rc==SQLITE_OK ){ - for(i=0; (nStep<=0 || i<nStep) && sqlite3rbu_step(pRbu)==SQLITE_OK; i++){ - if( nStatStep>0 && (i % nStatStep)==0 ){ - sqlite3_int64 nUsed; - sqlite3_int64 nHighwater; - sqlite3_status64(SQLITE_STATUS_MEMORY_USED, &nUsed, &nHighwater, 0); - fprintf(stdout, "memory used=%lld highwater=%lld", nUsed, nHighwater); - if( bVacuum==0 ){ - int one; - int two; - sqlite3rbu_bp_progress(pRbu, &one, &two); - fprintf(stdout, " progress=%d/%d\n", one, two); - }else{ - fprintf(stdout, "\n"); - } - fflush(stdout); - } - } - nProgress = sqlite3rbu_progress(pRbu); - rc = sqlite3rbu_close(pRbu, &zErrmsg); - } - - /* Let the user know what happened. */ - switch( rc ){ - case SQLITE_OK: - sqlite3_snprintf(sizeof(zBuf), zBuf, - "SQLITE_OK: rbu update incomplete (%lld operations so far)\n", - nProgress - ); - fprintf(stdout, "%s", zBuf); - break; - - case SQLITE_DONE: - sqlite3_snprintf(sizeof(zBuf), zBuf, - "SQLITE_DONE: rbu update completed (%lld operations)\n", - nProgress - ); - fprintf(stdout, "%s", zBuf); - break; - - default: - fprintf(stderr, "error=%d: %s\n", rc, zErrmsg); - break; - } - - sqlite3_free(zErrmsg); - return (rc==SQLITE_OK || rc==SQLITE_DONE) ? 0 : 1; -} |