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Diffstat (limited to 'storage/ibmdb2i/ha_ibmdb2i.h')
| -rw-r--r-- | storage/ibmdb2i/ha_ibmdb2i.h | 822 |
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diff --git a/storage/ibmdb2i/ha_ibmdb2i.h b/storage/ibmdb2i/ha_ibmdb2i.h deleted file mode 100644 index b2a43232f2d..00000000000 --- a/storage/ibmdb2i/ha_ibmdb2i.h +++ /dev/null @@ -1,822 +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. -*/ - -/** @file ha_ibmdb2i.h - - @brief - - @note - - @see -*/ - -#ifdef USE_PRAGMA_INTERFACE -#pragma interface /* gcc class implementation */ -#endif - -#include "as400_types.h" -#include "as400_protos.h" -#include "db2i_global.h" -#include "db2i_ileBridge.h" -#include "builtins.h" -#include "db2i_misc.h" -#include "db2i_file.h" -#include "db2i_blobCollection.h" -#include "db2i_collationSupport.h" -#include "db2i_validatedPointer.h" -#include "db2i_ioBuffers.h" -#include "db2i_errors.h" -#include "db2i_sqlStatementStream.h" - -/** @brief - IBMDB2I_SHARE is a structure that will be shared among all open handlers. - It is used to describe the underlying table definition, and it caches - table statistics. -*/ -struct IBMDB2I_SHARE { - char *table_name; - uint table_name_length,use_count; - pthread_mutex_t mutex; - THR_LOCK lock; - - db2i_table* db2Table; - - class CStats - { - public: - void cacheUpdateTime(time_t time) - {update_time = time; initFlag |= lastModTime;} - time_t getUpdateTime() const - {return update_time;} - void cacheRowCount(ha_rows rows) - {records = rows; initFlag |= rowCount;} - ha_rows getRowCount() const - {return records;} - void cacheDelRowCount(ha_rows rows) - {deleted = rows; initFlag |= deletedRowCount;} - ha_rows getDelRowCount() const - {return deleted;} - void cacheMeanLength(ulong len) - {mean_rec_length = len; initFlag |= meanRowLen;} - ulong getMeanLength() - {return mean_rec_length;} - void cacheAugmentedDataLength(ulong len) - {data_file_length = len; initFlag |= ioCount;} - ulong getAugmentedDataLength() - {return data_file_length;} - bool isInited(uint flags) - {return initFlag & flags;} - void invalidate(uint flags) - {initFlag &= ~flags;} - - private: - uint initFlag; - time_t update_time; - ha_rows records; - ha_rows deleted; - ulong mean_rec_length; - ulong data_file_length; - } cachedStats; - -}; - -class ha_ibmdb2i: public handler -{ - THR_LOCK_DATA lock; ///< MySQL lock - IBMDB2I_SHARE *share; ///< Shared lock info - - // The record we are positioned on, together with the handle used to get - // i. - uint32 currentRRN; - uint32 rrnAssocHandle; - - // Dup key values needed by info() - uint32 lastDupKeyRRN; - uint32 lastDupKeyID; - - bool returnDupKeysImmediately; - - // Dup key value need by update() - bool onDupUpdate; - - - db2i_table* db2Table; - - // The file handle of the PF or LF being accessed by the current operation. - FILE_HANDLE activeHandle; - - // The file handle of the underlying PF - FILE_HANDLE dataHandle; - - // Array of file handles belonging to the underlying LFs - FILE_HANDLE* indexHandles; - - // Flag to indicate whether a call needs to be made to unlock a row when - // a read operation has ended. DB2 will handle row unlocking as we move - // through rows, but if an operation ends before we reach the end of a file, - // DB2 needs to know to unlock the last row read. - bool releaseRowNeeded; - - // Pointer to a definition of the layout of the row buffer for the file - // described by activeHandle - const db2i_file::RowFormat* activeFormat; - - IORowBuffer keyBuf; - uint32 keyLen; - - IOWriteBuffer multiRowWriteBuf; - IOAsyncReadBuffer multiRowReadBuf; - - IOAsyncReadBuffer* activeReadBuf; - IOWriteBuffer* activeWriteBuf; - - BlobCollection* blobReadBuffers; // Dynamically allocated per query and used - // to manage the buffers used for reading LOBs - ValidatedPointer<char>* blobWriteBuffers; - - // Return codes are not used/honored by rnd_init and start_bulk_insert - // so we need a way to signal the failure "downstream" to subsequent - // functions. - int last_rnd_init_rc; - int last_index_init_rc; - int last_start_bulk_insert_rc; - - // end_bulk_insert may get called twice for a single start_bulk_insert - // This is our way to do cleanup only once. - bool outstanding_start_bulk_insert; - - // Auto_increment 'increment by' value needed by write_row() - uint32 incrementByValue; - bool default_identity_value; - - // Flags and values used during write operations for auto_increment processing - bool autoIncLockAcquired; - bool got_auto_inc_values; - uint64 next_identity_value; - - // The access intent indicated by the last external_locks() call. - // May be either QMY_READ or QMY_UPDATABLE - char accessIntent; - char readAccessIntent; - - ha_rows* indexReadSizeEstimates; - - MEM_ROOT conversionBufferMemroot; - - bool forceSingleRowRead; - - bool readAllColumns; - - bool invalidDataFound; - - db2i_ileBridge* cachedBridge; - - ValidatedObject<volatile uint32> curConnection; - uint16 activeReferences; - -public: - - ha_ibmdb2i(handlerton *hton, TABLE_SHARE *table_arg); - ~ha_ibmdb2i(); - - const char *table_type() const { return "IBMDB2I"; } - const char *index_type(uint inx) { return "RADIX"; } - const key_map *keys_to_use_for_scanning() { return &key_map_full; } - const char **bas_ext() const; - - ulonglong table_flags() const - { - return HA_NULL_IN_KEY | HA_REC_NOT_IN_SEQ | HA_AUTO_PART_KEY | - HA_PARTIAL_COLUMN_READ | - HA_DUPLICATE_POS | HA_NO_PREFIX_CHAR_KEYS | - HA_HAS_RECORDS | HA_BINLOG_ROW_CAPABLE | HA_REQUIRES_KEY_COLUMNS_FOR_DELETE | - HA_CAN_INDEX_BLOBS; - } - - ulong index_flags(uint inx, uint part, bool all_parts) const; - -// Note that we do not implement max_supported_record_length. -// We'll let create fail accordingly if the row is -// too long. This allows us to hide the fact that varchars > 32K are being -// implemented as DB2 LOBs. - - uint max_supported_keys() const { return 4000; } - uint max_supported_key_parts() const { return MAX_DB2_KEY_PARTS; } - uint max_supported_key_length() const { return 32767; } - uint max_supported_key_part_length() const { return 32767; } - double read_time(uint index, uint ranges, ha_rows rows); - double scan_time(); - int open(const char *name, int mode, uint test_if_locked); - int close(void); - int write_row(uchar * buf); - int update_row(const uchar * old_data, uchar * new_data); - int delete_row(const uchar * buf); - int index_init(uint idx, bool sorted); - int index_read(uchar * buf, const uchar * key, - uint key_len, enum ha_rkey_function find_flag); - int index_next(uchar * buf); - int index_read_last(uchar * buf, const uchar * key, uint key_len); - int index_next_same(uchar *buf, const uchar *key, uint keylen); - int index_prev(uchar * buf); - int index_first(uchar * buf); - int index_last(uchar * buf); - int rnd_init(bool scan); - int rnd_end(); - int rnd_next(uchar *buf); - int rnd_pos(uchar * buf, uchar *pos); - void position(const uchar *record); - int info(uint); - ha_rows records(); - int extra(enum ha_extra_function operation); - int external_lock(THD *thd, int lock_type); - int delete_all_rows(void); - ha_rows records_in_range(uint inx, key_range *min_key, - key_range *max_key); - int delete_table(const char *from); - int rename_table(const char * from, const char * to); - int create(const char *name, TABLE *form, - HA_CREATE_INFO *create_info); - int updateFrm(TABLE *table_def, File file); - int openTableDef(TABLE *table_def); - int add_index(TABLE *table_arg, KEY *key_info, uint num_of_keys); - int prepare_drop_index(TABLE *table_arg, uint *key_num, uint num_of_keys); - int final_drop_index(TABLE *table_arg) {return 0;} - void get_auto_increment(ulonglong offset, ulonglong increment, - ulonglong nb_desired_values, - ulonglong *first_value, - ulonglong *nb_reserved_values); - int reset_auto_increment(ulonglong value); - void restore_auto_increment(ulonglong prev_insert_id) {return;} - void update_create_info(HA_CREATE_INFO *create_info); - int getNextIdVal(ulonglong *value); - int analyze(THD* thd,HA_CHECK_OPT* check_opt); - int optimize(THD* thd, HA_CHECK_OPT* check_opt); - bool can_switch_engines(); - void free_foreign_key_create_info(char* str); - char* get_foreign_key_create_info(); - int get_foreign_key_list(THD *thd, List<FOREIGN_KEY_INFO> *f_key_list); - uint referenced_by_foreign_key(); - bool check_if_incompatible_data(HA_CREATE_INFO *info, uint table_changes); - virtual bool get_error_message(int error, String *buf); - - THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to, - enum thr_lock_type lock_type); - - bool low_byte_first() const { return 0; } - void unlock_row(); - int index_end(); - int reset(); - static int doCommit(handlerton *hton, THD *thd, bool all); - static int doRollback(handlerton *hton, THD *thd, bool all); - void start_bulk_insert(ha_rows rows); - int end_bulk_insert(); - int start_stmt(THD *thd, thr_lock_type lock_type); - - void initBridge(THD* thd = NULL) - { - if (thd == NULL) thd = ha_thd(); - DBUG_PRINT("ha_ibmdb2i::initBridge",("Initing bridge. Conn ID=%d", thd->thread_id)); - cachedBridge = db2i_ileBridge::getBridgeForThread(thd); - } - - db2i_ileBridge* bridge() {DBUG_ASSERT(cachedBridge); return cachedBridge;} - - static uint8 autoCommitIsOn(THD* thd) - { return (thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN) ? QMY_NO : QMY_YES); } - - uint8 getCommitLevel(); - uint8 getCommitLevel(THD* thd); - - static int doSavepointSet(THD* thd, char* name) - { - return db2i_ileBridge::getBridgeForThread(thd)->savepoint(QMY_SET_SAVEPOINT, - name); - } - - static int doSavepointRollback(THD* thd, char* name) - { - return db2i_ileBridge::getBridgeForThread(thd)->savepoint(QMY_ROLLBACK_SAVEPOINT, - name); - } - - static int doSavepointRelease(THD* thd, char* name) - { - return db2i_ileBridge::getBridgeForThread(thd)->savepoint(QMY_RELEASE_SAVEPOINT, - name); - } - - // We can't guarantee that the rows we know about when this is called - // will be the same number of rows that read returns (since DB2 activity - // may insert additional rows). Therefore, we do as the Federated SE and - // return the max possible. - ha_rows estimate_rows_upper_bound() - { - return HA_POS_ERROR; - } - - -private: - - enum enum_TimeFormat - { - TIME_OF_DAY, - DURATION - }; - - enum enum_BlobMapping - { - AS_BLOB, - AS_VARCHAR - }; - - enum enum_ZeroDate - { - NO_SUBSTITUTE, - SUBSTITUTE_0001_01_01 - }; - - enum enum_YearFormat - { - CHAR4, - SMALLINT - }; - - enum_ZeroDate cachedZeroDateOption; - - IBMDB2I_SHARE *get_share(const char *table_name, TABLE *table); - int free_share(IBMDB2I_SHARE *share); - int32 mungeDB2row(uchar* record, const char* dataPtr, const char* nullMapPtr, bool skipLOBs); - int prepareRowForWrite(char* data, char* nulls, bool honorIdentCols); - int prepareReadBufferForLobs(); - int32 prepareWriteBufferForLobs(); - uint32 adjustLobBuffersForRead(); - bool lobFieldsRequested(); - int convertFieldChars(enum_conversionDirection direction, - uint16 fieldID, - const char* input, - char* output, - size_t ilen, - size_t olen, - size_t* outDataLen, - bool tacitErrors=FALSE, - size_t* substChars=NULL); - - /** - Fast integer log2 function - */ - uint64 log_2(uint64 val) - { - uint64 exp = 0; - while( (val >> exp) != 0) - { - exp++; - } - DBUG_ASSERT(exp-1 == (uint64)log2(val)); - return exp-1; - } - - void bumpInUseCounter(uint16 amount) - { - activeReferences += amount; - DBUG_PRINT("ha_ibmdb2i::bumpInUseCounter", ("activeReferences = %d", activeReferences)); - if (activeReferences) - curConnection = (uint32)(ha_thd()->thread_id); - else - curConnection = 0; - } - - - int useDataFile() - { - DBUG_ENTER("ha_ibmdb2i::useDataFile"); - - int rc = 0; - if (!dataHandle) - rc = db2Table->dataFile()->allocateNewInstance(&dataHandle, curConnection); - else if (activeHandle == dataHandle) - DBUG_RETURN(0); - - DBUG_ASSERT(activeHandle == 0); - - if (likely(rc == 0)) - { - activeHandle = dataHandle; - bumpInUseCounter(1); - } - - DBUG_RETURN(rc); - } - - void releaseAnyLockedRows() - { - if (releaseRowNeeded) - { - DBUG_PRINT("ha_ibmdb2i::releaseAnyLockedRows", ("Releasing rows")); - db2i_ileBridge::getBridgeForThread()->rrlslck(activeHandle, accessIntent); - releaseRowNeeded = FALSE; - } - } - - - void releaseDataFile() - { - DBUG_ENTER("ha_ibmdb2i::releaseDataFile"); - releaseAnyLockedRows(); - bumpInUseCounter(-1); - DBUG_ASSERT((volatile int)activeReferences >= 0); - activeHandle = 0; - DBUG_VOID_RETURN; - } - - int useIndexFile(int idx); - - void releaseIndexFile(int idx) - { - DBUG_ENTER("ha_ibmdb2i::releaseIndexFile"); - releaseAnyLockedRows(); - bumpInUseCounter(-1); - DBUG_ASSERT((volatile int)activeReferences >= 0); - activeHandle = 0; - DBUG_VOID_RETURN; - } - - FILE_HANDLE allocateFileHandle(char* database, char* table, int* activityReference, bool hasBlobs); - - int updateBuffers(const db2i_file::RowFormat* format, uint rowsToRead, uint rowsToWrite); - - int flushWrite(FILE_HANDLE fileHandle, uchar* buf = NULL); - - int alterStartWith(); - - int buildDB2ConstraintString(LEX* lex, - String& appendHere, - const char* database, - Field** fields, - char* fileSortSequenceType, - char* fileSortSequence, - char* fileSortSequenceLibrary); - - void releaseWriteBuffer(); - - void setIndexReadEstimate(uint index, ha_rows rows) - { - if (!indexReadSizeEstimates) - { - indexReadSizeEstimates = (ha_rows*)my_malloc(sizeof(ha_rows) * table->s->keys, MYF(MY_WME | MY_ZEROFILL)); - } - indexReadSizeEstimates[index] = rows; - } - - ha_rows getIndexReadEstimate(uint index) - { - if (indexReadSizeEstimates) - return max(indexReadSizeEstimates[index], 1); - - return 10000; // Assume index scan if no estimate exists. - } - - - void quiesceAllFileHandles() - { - db2i_ileBridge* bridge = db2i_ileBridge::getBridgeForThread(); - if (dataHandle) - { - bridge->quiesceFileInstance(dataHandle); - } - - for (int idx = 0; idx < table_share->keys; ++idx) - { - if (indexHandles[idx] != 0) - { - bridge->quiesceFileInstance(indexHandles[idx]); - } - } - } - - int32 buildCreateIndexStatement(SqlStatementStream& sqlStream, - KEY& key, - bool isPrimary, - const char* db2LibName, - const char* db2FileName); - - int32 buildIndexFieldList(String& appendHere, - const KEY& key, - bool isPrimary, - char* fileSortSequenceType, - char* fileSortSequence, - char* fileSortSequenceLibrary); - - // Specify NULL for data when using the data pointed to by field - int32 convertMySQLtoDB2(Field* field, const DB2Field& db2Field, char* db2Buf, const uchar* data = NULL); - - int32 convertDB2toMySQL(const DB2Field& db2Field, Field* field, const char* buf); - int getFieldTypeMapping(Field* field, - String& mapping, - enum_TimeFormat timeFormate, - enum_BlobMapping blobMapping, - enum_ZeroDate zeroDateHandling, - bool propagateDefaults, - enum_YearFormat yearFormat); - - int getKeyFromName(const char* name, size_t len); - - void releaseActiveHandle() - { - if (activeHandle == dataHandle) - releaseDataFile(); - else - releaseIndexFile(active_index); - } - - - int32 finishBulkInsert(); - - void doInitialRead(char orientation, - uint32 rowsToBuffer, - ILEMemHandle key = 0, - int keyLength = 0, - int keyParts = 0); - - - int32 readFromBuffer(uchar* destination, char orientation) - { - char* row; - int32 rc = 0; - row = activeReadBuf->readNextRow(orientation, currentRRN); - - if (unlikely(!row)) - { - rc = activeReadBuf->lastrc(); - if (rc == QMY_ERR_LOB_SPACE_TOO_SMALL) - { - rc = handleLOBReadOverflow(); - if (rc == 0) - { - DBUG_ASSERT(activeReadBuf->rowCount() == 1); - row = activeReadBuf->readNextRow(orientation, currentRRN); - - if (unlikely(!row)) - rc = activeReadBuf->lastrc(); - } - } - } - - if (likely(rc == 0)) - { - rrnAssocHandle = activeHandle; - rc = mungeDB2row(destination, row, row+activeReadBuf->getRowNullOffset(), false); - } - return rc; - } - - int32 handleLOBReadOverflow(); - - char* getCharacterConversionBuffer(int fieldId, int length) - { - if (unlikely(!alloc_root_inited(&conversionBufferMemroot))) - init_alloc_root(&conversionBufferMemroot, 8192, 0); - - return (char*)alloc_root(&conversionBufferMemroot, length);; - } - - void resetCharacterConversionBuffers() - { - if (alloc_root_inited(&conversionBufferMemroot)) - { - free_root(&conversionBufferMemroot, MYF(MY_MARK_BLOCKS_FREE)); - } - } - - void tweakReadSet() - { - THD* thd = ha_thd(); - int command = thd_sql_command(thd); - if ((command == SQLCOM_UPDATE || - command == SQLCOM_UPDATE_MULTI) || - ((command == SQLCOM_DELETE || - command == SQLCOM_DELETE_MULTI) && - thd->options & OPTION_BIN_LOG)) - readAllColumns = TRUE; - else - readAllColumns = FALSE; - } - - /** - - */ - int useFileByHandle(char intent, - FILE_HANDLE handle) - { - DBUG_ENTER("ha_ibmdb2i::useFileByHandle"); - - const db2i_file* file; - if (handle == dataHandle) - file = db2Table->dataFile(); - else - { - for (uint i = 0; i < table_share->keys; ++i) - { - if (indexHandles[i] == handle) - { - file = db2Table->indexFile(i); - active_index = i; - } - } - } - - int rc = file->obtainRowFormat(handle, intent, getCommitLevel(), &activeFormat); - if (likely(rc == 0)) - { - activeHandle = handle; - bumpInUseCounter(1); - } - - DBUG_RETURN(rc); - } - - const db2i_file* getFileForActiveHandle() const - { - if (activeHandle == dataHandle) - return db2Table->dataFile(); - else - for (uint i = 0; i < table_share->keys; ++i) - if (indexHandles[i] == activeHandle) - return db2Table->indexFile(i); - DBUG_ASSERT(0); - return NULL; - } - - int prepReadBuffer(ha_rows rowsToRead, const db2i_file* file, char intent); - int prepWriteBuffer(ha_rows rowsToWrite, const db2i_file* file); - - void invalidateCachedStats() - { - share->cachedStats.invalidate(rowCount | deletedRowCount | objLength | - meanRowLen | ioCount); - } - - void warnIfInvalidData() - { - if (unlikely(invalidDataFound)) - { - warning(ha_thd(), DB2I_ERR_INVALID_DATA, table->alias); - } - } - - /** - Calculate the maximum value that a particular field can hold. - - This is used to anticipate overflows in the auto_increment processing. - - @param field The Field to be analyzed - - @return The maximum value - */ - static uint64 maxValueForField(const Field* field) - { - uint64 maxValue=0; - switch (field->type()) - { - case MYSQL_TYPE_TINY: - if (((const Field_num*)field)->unsigned_flag) - maxValue = (1 << 8) - 1; - else - maxValue = (1 << 7) - 1; - break; - case MYSQL_TYPE_SHORT: - if (((const Field_num*)field)->unsigned_flag) - maxValue = (1 << 16) - 1; - else - maxValue = (1 << 15) - 1; - break; - case MYSQL_TYPE_INT24: - if (((const Field_num*)field)->unsigned_flag) - maxValue = (1 << 24) - 1; - else - maxValue = (1 << 23) - 1; - break; - case MYSQL_TYPE_LONG: - if (((const Field_num*)field)->unsigned_flag) - maxValue = (1LL << 32) - 1; - else - maxValue = (1 << 31) - 1; - break; - case MYSQL_TYPE_LONGLONG: - if (((const Field_num*)field)->unsigned_flag) - maxValue = ~(0LL); - else - maxValue = 1 << 63 - 1; - break; - } - - return maxValue; - } - - void cleanupBuffers() - { - if (blobReadBuffers) - { - delete blobReadBuffers; - blobReadBuffers = NULL; - } - if (blobWriteBuffers) - { - delete[] blobWriteBuffers; - blobWriteBuffers = NULL; - } - if (alloc_root_inited(&conversionBufferMemroot)) - { - free_root(&conversionBufferMemroot, MYF(0)); - } - } - - -/** - Generate a valid RCDFMT name based on the name of the table. - - The RCDFMT name is devised by munging the name of the table, - uppercasing all ascii alpha-numeric characters and replacing all other - characters with underscores until up to ten characters have been generated. - - @param tableName The name of the table, as given on the MySQL - CREATE TABLE statement - @param[out] query The string to receive the generated RCDFMT name -*/ - static void generateAndAppendRCDFMT(const char* tableName, String& query) - { - char rcdfmt[11]; - - // The RCDFMT name must begin with an alpha character. - // We enforce this by skipping to the first alpha character in the table - // name. If no alpha character exists, we use 'X' for the RCDFMT name; - - while (*tableName && - (!my_isascii(*tableName) || - !my_isalpha(system_charset_info, *tableName))) - { - tableName += my_mbcharlen(system_charset_info, *tableName); - } - - if (unlikely(!(*tableName))) - { - rcdfmt[0]= 'X'; - rcdfmt[1]= 0; - } - else - { - int r= 0; - while ((r < sizeof(rcdfmt)-1) && *tableName) - { - if (my_isascii(*tableName) && - my_isalnum(system_charset_info, *tableName)) - rcdfmt[r] = my_toupper(system_charset_info, *tableName); - else - rcdfmt[r] = '_'; - - ++r; - tableName += my_mbcharlen(system_charset_info, *tableName); - } - rcdfmt[r]= 0; - } - query.append(STRING_WITH_LEN(" RCDFMT ")); - query.append(rcdfmt); - } - - int32 generateShadowIndex(SqlStatementStream& stream, - const KEY& key, - const char* libName, - const char* fileName, - const String& fieldDefinition); -}; |