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Diffstat (limited to 'storage/ibmdb2i/db2i_file.cc')
| -rw-r--r-- | storage/ibmdb2i/db2i_file.cc | 553 |
1 files changed, 0 insertions, 553 deletions
diff --git a/storage/ibmdb2i/db2i_file.cc b/storage/ibmdb2i/db2i_file.cc deleted file mode 100644 index 2d83248eea7..00000000000 --- a/storage/ibmdb2i/db2i_file.cc +++ /dev/null @@ -1,553 +0,0 @@ -/* -Licensed Materials - Property of IBM -DB2 Storage Engine Enablement -Copyright IBM Corporation 2007,2008 -All rights reserved - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - (a) Redistributions of source code must retain this list of conditions, the - copyright notice in section {d} below, and the disclaimer following this - list of conditions. - (b) Redistributions in binary form must reproduce this list of conditions, the - copyright notice in section (d) below, and the disclaimer following this - list of conditions, in the documentation and/or other materials provided - with the distribution. - (c) The name of IBM may not be used to endorse or promote products derived from - this software without specific prior written permission. - (d) The text of the required copyright notice is: - Licensed Materials - Property of IBM - DB2 Storage Engine Enablement - Copyright IBM Corporation 2007,2008 - All rights reserved - -THIS SOFTWARE IS PROVIDED BY IBM CORPORATION "AS IS" AND ANY EXPRESS OR IMPLIED -WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT -SHALL IBM CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT -OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT INCLUDING NEGLIGENCE OR OTHERWISE) ARISING -IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY -OF SUCH DAMAGE. -*/ - - - -#include "db2i_file.h" -#include "db2i_charsetSupport.h" -#include "db2i_collationSupport.h" -#include "db2i_misc.h" -#include "db2i_errors.h" -#include "my_dir.h" - -db2i_table::db2i_table(const TABLE_SHARE* myTable, const char* path) : - mysqlTable(myTable), - db2StartId(0), - blobFieldCount(0), - blobFields(NULL), - blobFieldActualSizes(NULL), - logicalFiles(NULL), - physicalFile(NULL), - db2TableNameSQLAscii(NULL), - db2LibNameSQLAscii(NULL) -{ - char asciiLibName[MAX_DB2_SCHEMANAME_LENGTH + 1]; - getDB2LibNameFromPath(path, asciiLibName, ASCII_NATIVE); - - char asciiFileName[MAX_DB2_FILENAME_LENGTH + 1]; - getDB2FileNameFromPath(path, asciiFileName, ASCII_NATIVE); - - size_t libNameLen = strlen(asciiLibName); - size_t fileNameLen = strlen(asciiFileName); - - db2LibNameEbcdic=(char *) - my_multi_malloc(MYF(MY_WME | MY_ZEROFILL), - &db2LibNameEbcdic, libNameLen+1, - &db2LibNameAscii, libNameLen+1, - &db2LibNameSQLAscii, libNameLen*2 + 1, - &db2TableNameEbcdic, fileNameLen+1, - &db2TableNameAscii, fileNameLen+1, - &db2TableNameSQLAscii, fileNameLen*2 + 1, - NullS); - - if (likely(db2LibNameEbcdic)) - { - memcpy(db2LibNameAscii, asciiLibName, libNameLen); - convertNativeToSQLName(db2LibNameAscii, db2LibNameSQLAscii); - convToEbcdic(db2LibNameAscii, db2LibNameEbcdic, libNameLen); - memcpy(db2TableNameAscii, asciiFileName, fileNameLen); - convertNativeToSQLName(db2TableNameAscii, db2TableNameSQLAscii); - convToEbcdic(db2TableNameAscii, db2TableNameEbcdic, fileNameLen); - } - - conversionDefinitions[toMySQL] = NULL; - conversionDefinitions[toDB2] = NULL; - - isTemporaryTable = (strstr(mysqlTable->path.str, mysql_tmpdir) == mysqlTable->path.str); -} - - -int32 db2i_table::initDB2Objects(const char* path) -{ - uint fileObjects = 1 + mysqlTable->keys; - ValidatedPointer<ShrDef> fileDefnSpace(sizeof(ShrDef) * fileObjects); - - physicalFile = new db2i_file(this); - physicalFile->fillILEDefn(&fileDefnSpace[0], true); - - logicalFileCount = mysqlTable->keys; - if (logicalFileCount > 0) - { - logicalFiles = new db2i_file*[logicalFileCount]; - for (int k = 0; k < logicalFileCount; k++) - { - logicalFiles[k] = new db2i_file(this, k); - logicalFiles[k]->fillILEDefn(&fileDefnSpace[k+1], false); - } - } - - ValidatedPointer<FILE_HANDLE> fileDefnHandles(sizeof(FILE_HANDLE) * fileObjects); - size_t formatSpaceLen = sizeof(format_hdr_t) + mysqlTable->fields * sizeof(DB2Field); - formatSpace.alloc(formatSpaceLen); - - int rc = db2i_ileBridge::getBridgeForThread()-> - expectErrors(QMY_ERR_RTNFMT)-> - allocateFileDefn(fileDefnSpace, - fileDefnHandles, - fileObjects, - db2LibNameEbcdic, - strlen(db2LibNameEbcdic), - formatSpace, - formatSpaceLen); - - if (rc) - { - // We have to handle a format space error as a special case of a FID - // mismatch. We should only get the space error if columns have been added - // to the DB2 table without MySQL's knowledge, which is effectively a - // FID problem. - if (rc == QMY_ERR_RTNFMT) - { - rc = QMY_ERR_LVLID_MISMATCH; - getErrTxt(rc); - } - return rc; - } - - convFromEbcdic(((format_hdr_t*)formatSpace)->FilLvlId, fileLevelID, sizeof(fileLevelID)); - - if (!doFileIDsMatch(path)) - { - getErrTxt(QMY_ERR_LVLID_MISMATCH); - return QMY_ERR_LVLID_MISMATCH; - } - - physicalFile->setMasterDefnHandle(fileDefnHandles[0]); - for (int k = 0; k < mysqlTable->keys; k++) - { - logicalFiles[k]->setMasterDefnHandle(fileDefnHandles[k+1]); - } - - db2StartId = (uint64)(((format_hdr_t*)formatSpace)->StartIdVal); - db2Fields = (DB2Field*)((char*)(void*)formatSpace + ((format_hdr_t*)formatSpace)->ColDefOff); - - uint fields = mysqlTable->fields; - for (int i = 0; i < fields; ++i) - { - if (db2Field(i).isBlob()) - { - blobFieldCount++; - } - } - - if (blobFieldCount) - { - blobFieldActualSizes = (uint*)my_multi_malloc(MYF(MY_WME | MY_ZEROFILL), - &blobFieldActualSizes, blobFieldCount * sizeof(uint), - &blobFields, blobFieldCount * sizeof(uint16), - NullS); - - int b = 0; - for (int i = 0; i < fields; ++i) - { - if (db2Field(i).isBlob()) - { - blobFields[b++] = i; - } - } - } - - my_multi_malloc(MYF(MY_WME), - &conversionDefinitions[toMySQL], fields * sizeof(iconv_t), - &conversionDefinitions[toDB2], fields * sizeof(iconv_t), - NullS); - for (int i = 0; i < fields; ++i) - { - conversionDefinitions[toMySQL][i] = (iconv_t)(-1); - conversionDefinitions[toDB2][i] = (iconv_t)(-1); - } - - return 0; -} - -int db2i_table::fastInitForCreate(const char* path) -{ - ValidatedPointer<ShrDef> fileDefnSpace(sizeof(ShrDef)); - - physicalFile = new db2i_file(this); - physicalFile->fillILEDefn(fileDefnSpace, true); - - ValidatedPointer<FILE_HANDLE> fileDefnHandles(sizeof(FILE_HANDLE)); - - size_t formatSpaceLen = sizeof(format_hdr_t) + - mysqlTable->fields * sizeof(DB2Field); - formatSpace.alloc(formatSpaceLen); - - int rc = db2i_ileBridge::getBridgeForThread()->allocateFileDefn(fileDefnSpace, - fileDefnHandles, - 1, - db2LibNameEbcdic, - strlen(db2LibNameEbcdic), - formatSpace, - formatSpaceLen); - - if (rc) - return rc; - - convFromEbcdic(((format_hdr_t*)formatSpace)->FilLvlId, fileLevelID, sizeof(fileLevelID)); - doFileIDsMatch(path); - - return 0; -} - -bool db2i_table::doFileIDsMatch(const char* path) -{ - char name_buff[FN_REFLEN]; - - fn_format(name_buff, path, "", FID_EXT, (MY_REPLACE_EXT | MY_UNPACK_FILENAME)); - - File fd = my_open(name_buff, O_RDONLY, MYF(0)); - - if (fd == -1) - { - if (errno == ENOENT) - { - fd = my_create(name_buff, 0, O_WRONLY, MYF(MY_WME)); - - if (fd == -1) - { - // TODO: Report errno here - return false; - } - my_write(fd, (uchar*)fileLevelID, sizeof(fileLevelID), MYF(MY_WME)); - my_close(fd, MYF(0)); - return true; - } - else - { - // TODO: Report errno here - return false; - } - } - - char diskFID[sizeof(fileLevelID)]; - - bool match = false; - - if (my_read(fd, (uchar*)diskFID, sizeof(diskFID), MYF(MY_WME)) == sizeof(diskFID) && - (memcmp(diskFID, fileLevelID, sizeof(diskFID)) == 0)) - match = true; - - my_close(fd, MYF(0)); - - return match; -} - -void db2i_table::deleteAssocFiles(const char* name) -{ - char name_buff[FN_REFLEN]; - fn_format(name_buff, name, "", FID_EXT, (MY_REPLACE_EXT | MY_UNPACK_FILENAME)); - my_delete(name_buff, MYF(0)); -} - -void db2i_table::renameAssocFiles(const char* from, const char* to) -{ - rename_file_ext(from, to, FID_EXT); -} - - -db2i_table::~db2i_table() -{ - my_free(blobFieldActualSizes); - my_free(conversionDefinitions[toMySQL]); - - if (logicalFiles) - { - for (int k = 0; k < logicalFileCount; ++k) - { - delete logicalFiles[k]; - } - - delete[] logicalFiles; - } - delete physicalFile; - - my_free(db2LibNameEbcdic); -} - -void db2i_table::getDB2QualifiedName(char* to) -{ - strcat(to, getDB2LibName(ASCII_SQL)); - strcat(to, "."); - strcat(to, getDB2TableName(ASCII_SQL)); -} - - -void db2i_table::getDB2QualifiedNameFromPath(const char* path, char* to) -{ - getDB2LibNameFromPath(path, to); - strcat(to, "."); - getDB2FileNameFromPath(path, strend(to)); -} - - -size_t db2i_table::smartFilenameToTableName(const char *in, char* out, size_t outlen) -{ - if (strchr(in, '@') == NULL) - { - return filename_to_tablename(in, out, outlen); - } - - char* test = (char*) my_malloc(outlen, MYF(MY_WME)); - - filename_to_tablename(in, test, outlen); - - char* cur = test; - - while (*cur) - { - if ((*cur <= 0x20) || (*cur >= 0x80)) - { - strncpy(out, in, outlen); - my_free(test); - return min(outlen, strlen(out)); - } - ++cur; - } - - strncpy(out, test, outlen); - my_free(test); - return min(outlen, strlen(out)); -} - -void db2i_table::filenameToTablename(const char* in, char* out, size_t outlen) -{ - if (strchr(in, '#') == NULL) - { - smartFilenameToTableName(in, out, outlen); - return; - } - - char* temp = (char*)sql_alloc(outlen); - - const char* part1, *part2, *part3, *part4; - part1 = in; - part2 = strstr(part1, "#P#"); - if (part2); - { - part3 = part2 + 3; - part4 = strchr(part3, '#'); - if (!part4) - part4 = strend(in); - } - - memcpy(temp, part1, min(outlen, part2 - part1)); - temp[min(outlen-1, part2-part1)] = 0; - - int32 accumLen = smartFilenameToTableName(temp, out, outlen); - - if (part2 && (accumLen + 4 < outlen)) - { - strcat(out, "#P#"); - accumLen += 4; - - memset(temp, 0, min(outlen, part2-part1)); - memcpy(temp, part3, min(outlen, part4-part3)); - temp[min(outlen-1, part4-part3)] = 0; - - accumLen += smartFilenameToTableName(temp, strend(out), outlen-accumLen); - - if (part4 && (accumLen + (strend(in) - part4 + 1) < outlen)) - { - strcat(out, part4); - } - } -} - -void db2i_table::getDB2LibNameFromPath(const char* path, char* lib, NameFormatFlags format) -{ - if (strstr(path, mysql_tmpdir) == path) - { - strcpy(lib, DB2I_TEMP_TABLE_SCHEMA); - } - else - { - const char* c = strend(path) - 1; - while (c > path && *c != '\\' && *c != '/') - --c; - - if (c != path) - { - const char* dbEnd = c; - do { - --c; - } while (c >= path && *c != '\\' && *c != '/'); - - if (c >= path) - { - const char* dbStart = c+1; - char fileName[FN_REFLEN]; - memcpy(fileName, dbStart, dbEnd - dbStart); - fileName[dbEnd-dbStart] = 0; - - char dbName[MAX_DB2_SCHEMANAME_LENGTH+1]; - filenameToTablename(fileName, dbName , sizeof(dbName)); - - convertMySQLNameToDB2Name(dbName, lib, sizeof(dbName), true, (format==ASCII_SQL) ); - } - else - DBUG_ASSERT(0); // This should never happen! - } - } -} - -void db2i_table::getDB2FileNameFromPath(const char* path, char* file, NameFormatFlags format) -{ - const char* fileEnd = strend(path); - const char* c = fileEnd; - while (c > path && *c != '\\' && *c != '/') - --c; - - if (c != path) - { - const char* fileStart = c+1; - char fileName[FN_REFLEN]; - memcpy(fileName, fileStart, fileEnd - fileStart); - fileName[fileEnd - fileStart] = 0; - char db2Name[MAX_DB2_FILENAME_LENGTH+1]; - filenameToTablename(fileName, db2Name, sizeof(db2Name)); - convertMySQLNameToDB2Name(db2Name, file, sizeof(db2Name), true, (format==ASCII_SQL) ); - } -} - -// Generates the DB2 index name when given the MySQL index and table names. -int32 db2i_table::appendQualifiedIndexFileName(const char* indexName, - const char* tableName, - String& to, - NameFormatFlags format, - enum_DB2I_INDEX_TYPE type) -{ - char generatedName[MAX_DB2_FILENAME_LENGTH+1]; - strncpy(generatedName, indexName, DB2I_INDEX_NAME_LENGTH_TO_PRESERVE); - generatedName[DB2I_INDEX_NAME_LENGTH_TO_PRESERVE] = 0; - char* endOfGeneratedName; - - if (type == typeDefault) - { - strcat(generatedName, DB2I_DEFAULT_INDEX_NAME_DELIMITER); - endOfGeneratedName = strend(generatedName); - } - else if (type != typeNone) - { - strcat(generatedName, DB2I_ADDL_INDEX_NAME_DELIMITER); - endOfGeneratedName = strend(generatedName); - *(endOfGeneratedName-2) = char(type); - } - - uint lenWithoutFile = endOfGeneratedName - generatedName; - - char strippedTableName[MAX_DB2_FILENAME_LENGTH+1]; - if (format == ASCII_SQL) - { - strcpy(strippedTableName, tableName); - stripExtraQuotes(strippedTableName+1, sizeof(strippedTableName)); - tableName = strippedTableName; - } - - if (strlen(tableName) > (MAX_DB2_FILENAME_LENGTH-lenWithoutFile)) - return -1; - - strncat(generatedName, - tableName+1, - min(strlen(tableName), (MAX_DB2_FILENAME_LENGTH-lenWithoutFile))-2 ); - - char finalName[MAX_DB2_FILENAME_LENGTH+1]; - convertMySQLNameToDB2Name(generatedName, finalName, sizeof(finalName), true, (format==ASCII_SQL)); - to.append(finalName); - - return 0; -} - - -void db2i_table::findConversionDefinition(enum_conversionDirection direction, uint16 fieldID) -{ - getConversion(direction, - mysqlTable->field[fieldID]->charset(), - db2Field(fieldID).getCCSID(), - conversionDefinitions[direction][fieldID]); -} - - -db2i_file::db2i_file(db2i_table* table) : db2Table(table) -{ - commonCtorInit(); - - DBUG_ASSERT(table->getMySQLTable()->table_name.length <= MAX_DB2_FILENAME_LENGTH-2); - - db2FileName = (char*)table->getDB2TableName(db2i_table::EBCDIC_NATIVE); -} - -db2i_file::db2i_file(db2i_table* table, int index) : db2Table(table) -{ - commonCtorInit(); - - if ((index == table->getMySQLTable()->primary_key) && !table->isTemporary()) - { - db2FileName = (char*)table->getDB2TableName(db2i_table::EBCDIC_NATIVE); - } - else - { - // Generate the index name (in index___table form); quote and EBCDICize it. - String qualifiedPath; - qualifiedPath.length(0); - - const char* asciiFileName = table->getDB2TableName(db2i_table::ASCII_NATIVE); - - db2i_table::appendQualifiedIndexFileName(table->getMySQLTable()->key_info[index].name, - asciiFileName, - qualifiedPath, - db2i_table::ASCII_NATIVE, - typeDefault); - - db2FileName = (char*)my_malloc(qualifiedPath.length()+1, MYF(MY_WME | MY_ZEROFILL)); - convToEbcdic(qualifiedPath.ptr(), db2FileName, qualifiedPath.length()); - } -} - -void db2i_file::commonCtorInit() -{ - masterDefn = 0; - memset(&formats, 0, maxRowFormats*sizeof(RowFormat)); -} - - -void db2i_file::fillILEDefn(ShrDef* defn, bool readInArrivalSeq) -{ - defn->ObjNamLen = strlen(db2FileName); - DBUG_ASSERT(defn->ObjNamLen <= sizeof(defn->ObjNam)); - memcpy(defn->ObjNam, db2FileName, defn->ObjNamLen); - defn->ArrSeq[0] = (readInArrivalSeq ? QMY_YES : QMY_NO); -} - |