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Diffstat (limited to 'src/3rdparty/sqlite/pragma.c')
| -rw-r--r-- | src/3rdparty/sqlite/pragma.c | 699 |
1 files changed, 699 insertions, 0 deletions
diff --git a/src/3rdparty/sqlite/pragma.c b/src/3rdparty/sqlite/pragma.c new file mode 100644 index 000000000..d9cf6354a --- /dev/null +++ b/src/3rdparty/sqlite/pragma.c @@ -0,0 +1,699 @@ +/* +** 2003 April 6 +** +** 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 used to implement the PRAGMA command. +** +** $Id: pragma.c,v 1.18 2004/02/22 20:05:01 drh Exp $ +*/ +#include "sqliteInt.h" +#include <ctype.h> + +/* +** Interpret the given string as a boolean value. +*/ +static int getBoolean(const char *z){ + static char *azTrue[] = { "yes", "on", "true" }; + int i; + if( z[0]==0 ) return 0; + if( isdigit(z[0]) || (z[0]=='-' && isdigit(z[1])) ){ + return atoi(z); + } + for(i=0; i<sizeof(azTrue)/sizeof(azTrue[0]); i++){ + if( sqliteStrICmp(z,azTrue[i])==0 ) return 1; + } + return 0; +} + +/* +** Interpret the given string as a safety level. Return 0 for OFF, +** 1 for ON or NORMAL and 2 for FULL. Return 1 for an empty or +** unrecognized string argument. +** +** Note that the values returned are one less that the values that +** should be passed into sqliteBtreeSetSafetyLevel(). The is done +** to support legacy SQL code. The safety level used to be boolean +** and older scripts may have used numbers 0 for OFF and 1 for ON. +*/ +static int getSafetyLevel(char *z){ + static const struct { + const char *zWord; + int val; + } aKey[] = { + { "no", 0 }, + { "off", 0 }, + { "false", 0 }, + { "yes", 1 }, + { "on", 1 }, + { "true", 1 }, + { "full", 2 }, + }; + int i; + if( z[0]==0 ) return 1; + if( isdigit(z[0]) || (z[0]=='-' && isdigit(z[1])) ){ + return atoi(z); + } + for(i=0; i<sizeof(aKey)/sizeof(aKey[0]); i++){ + if( sqliteStrICmp(z,aKey[i].zWord)==0 ) return aKey[i].val; + } + return 1; +} + +/* +** Interpret the given string as a temp db location. Return 1 for file +** backed temporary databases, 2 for the Red-Black tree in memory database +** and 0 to use the compile-time default. +*/ +static int getTempStore(char *z){ + if( z[0]>='0' || z[0]<='2' ){ + return z[0] - '0'; + }else if( sqliteStrICmp(z, "file")==0 ){ + return 1; + }else if( sqliteStrICmp(z, "memory")==0 ){ + return 2; + }else{ + return 0; + } +} + +/* +** Check to see if zRight and zLeft refer to a pragma that queries +** or changes one of the flags in db->flags. Return 1 if so and 0 if not. +** Also, implement the pragma. +*/ +static int flagPragma(Parse *pParse, const char *zLeft, const char *zRight){ + static const struct { + const char *zName; /* Name of the pragma */ + int mask; /* Mask for the db->flags value */ + } aPragma[] = { + { "vdbe_trace", SQLITE_VdbeTrace }, + { "full_column_names", SQLITE_FullColNames }, + { "short_column_names", SQLITE_ShortColNames }, + { "show_datatypes", SQLITE_ReportTypes }, + { "count_changes", SQLITE_CountRows }, + { "empty_result_callbacks", SQLITE_NullCallback }, + }; + int i; + for(i=0; i<sizeof(aPragma)/sizeof(aPragma[0]); i++){ + if( sqliteStrICmp(zLeft, aPragma[i].zName)==0 ){ + sqlite *db = pParse->db; + Vdbe *v; + if( strcmp(zLeft,zRight)==0 && (v = sqliteGetVdbe(pParse))!=0 ){ + sqliteVdbeOp3(v, OP_ColumnName, 0, 1, aPragma[i].zName, P3_STATIC); + sqliteVdbeOp3(v, OP_ColumnName, 1, 0, "boolean", P3_STATIC); + sqliteVdbeCode(v, OP_Integer, (db->flags & aPragma[i].mask)!=0, 0, + OP_Callback, 1, 0, + 0); + }else if( getBoolean(zRight) ){ + db->flags |= aPragma[i].mask; + }else{ + db->flags &= ~aPragma[i].mask; + } + return 1; + } + } + return 0; +} + +/* +** Process a pragma statement. +** +** Pragmas are of this form: +** +** PRAGMA id = value +** +** The identifier might also be a string. The value is a string, and +** identifier, or a number. If minusFlag is true, then the value is +** a number that was preceded by a minus sign. +*/ +void sqlitePragma(Parse *pParse, Token *pLeft, Token *pRight, int minusFlag){ + char *zLeft = 0; + char *zRight = 0; + sqlite *db = pParse->db; + Vdbe *v = sqliteGetVdbe(pParse); + if( v==0 ) return; + + zLeft = sqliteStrNDup(pLeft->z, pLeft->n); + sqliteDequote(zLeft); + if( minusFlag ){ + zRight = 0; + sqliteSetNString(&zRight, "-", 1, pRight->z, pRight->n, 0); + }else{ + zRight = sqliteStrNDup(pRight->z, pRight->n); + sqliteDequote(zRight); + } + if( sqliteAuthCheck(pParse, SQLITE_PRAGMA, zLeft, zRight, 0) ){ + sqliteFree(zLeft); + sqliteFree(zRight); + return; + } + + /* + ** PRAGMA default_cache_size + ** PRAGMA default_cache_size=N + ** + ** The first form reports the current persistent setting for the + ** page cache size. The value returned is the maximum number of + ** pages in the page cache. The second form sets both the current + ** page cache size value and the persistent page cache size value + ** stored in the database file. + ** + ** The default cache size is stored in meta-value 2 of page 1 of the + ** database file. The cache size is actually the absolute value of + ** this memory location. The sign of meta-value 2 determines the + ** synchronous setting. A negative value means synchronous is off + ** and a positive value means synchronous is on. + */ + if( sqliteStrICmp(zLeft,"default_cache_size")==0 ){ + static VdbeOpList getCacheSize[] = { + { OP_ReadCookie, 0, 2, 0}, + { OP_AbsValue, 0, 0, 0}, + { OP_Dup, 0, 0, 0}, + { OP_Integer, 0, 0, 0}, + { OP_Ne, 0, 6, 0}, + { OP_Integer, 0, 0, 0}, /* 5 */ + { OP_ColumnName, 0, 1, "cache_size"}, + { OP_Callback, 1, 0, 0}, + }; + int addr; + if( pRight->z==pLeft->z ){ + addr = sqliteVdbeAddOpList(v, ArraySize(getCacheSize), getCacheSize); + sqliteVdbeChangeP1(v, addr+5, MAX_PAGES); + }else{ + int size = atoi(zRight); + if( size<0 ) size = -size; + sqliteBeginWriteOperation(pParse, 0, 0); + sqliteVdbeAddOp(v, OP_Integer, size, 0); + sqliteVdbeAddOp(v, OP_ReadCookie, 0, 2); + addr = sqliteVdbeAddOp(v, OP_Integer, 0, 0); + sqliteVdbeAddOp(v, OP_Ge, 0, addr+3); + sqliteVdbeAddOp(v, OP_Negative, 0, 0); + sqliteVdbeAddOp(v, OP_SetCookie, 0, 2); + sqliteEndWriteOperation(pParse); + db->cache_size = db->cache_size<0 ? -size : size; + sqliteBtreeSetCacheSize(db->aDb[0].pBt, db->cache_size); + } + }else + + /* + ** PRAGMA cache_size + ** PRAGMA cache_size=N + ** + ** The first form reports the current local setting for the + ** page cache size. The local setting can be different from + ** the persistent cache size value that is stored in the database + ** file itself. The value returned is the maximum number of + ** pages in the page cache. The second form sets the local + ** page cache size value. It does not change the persistent + ** cache size stored on the disk so the cache size will revert + ** to its default value when the database is closed and reopened. + ** N should be a positive integer. + */ + if( sqliteStrICmp(zLeft,"cache_size")==0 ){ + static VdbeOpList getCacheSize[] = { + { OP_ColumnName, 0, 1, "cache_size"}, + { OP_Callback, 1, 0, 0}, + }; + if( pRight->z==pLeft->z ){ + int size = db->cache_size;; + if( size<0 ) size = -size; + sqliteVdbeAddOp(v, OP_Integer, size, 0); + sqliteVdbeAddOpList(v, ArraySize(getCacheSize), getCacheSize); + }else{ + int size = atoi(zRight); + if( size<0 ) size = -size; + if( db->cache_size<0 ) size = -size; + db->cache_size = size; + sqliteBtreeSetCacheSize(db->aDb[0].pBt, db->cache_size); + } + }else + + /* + ** PRAGMA default_synchronous + ** PRAGMA default_synchronous=ON|OFF|NORMAL|FULL + ** + ** The first form returns the persistent value of the "synchronous" setting + ** that is stored in the database. This is the synchronous setting that + ** is used whenever the database is opened unless overridden by a separate + ** "synchronous" pragma. The second form changes the persistent and the + ** local synchronous setting to the value given. + ** + ** If synchronous is OFF, SQLite does not attempt any fsync() systems calls + ** to make sure data is committed to disk. Write operations are very fast, + ** but a power failure can leave the database in an inconsistent state. + ** If synchronous is ON or NORMAL, SQLite will do an fsync() system call to + ** make sure data is being written to disk. The risk of corruption due to + ** a power loss in this mode is negligible but non-zero. If synchronous + ** is FULL, extra fsync()s occur to reduce the risk of corruption to near + ** zero, but with a write performance penalty. The default mode is NORMAL. + */ + if( sqliteStrICmp(zLeft,"default_synchronous")==0 ){ + static VdbeOpList getSync[] = { + { OP_ColumnName, 0, 1, "synchronous"}, + { OP_ReadCookie, 0, 3, 0}, + { OP_Dup, 0, 0, 0}, + { OP_If, 0, 0, 0}, /* 3 */ + { OP_ReadCookie, 0, 2, 0}, + { OP_Integer, 0, 0, 0}, + { OP_Lt, 0, 5, 0}, + { OP_AddImm, 1, 0, 0}, + { OP_Callback, 1, 0, 0}, + { OP_Halt, 0, 0, 0}, + { OP_AddImm, -1, 0, 0}, /* 10 */ + { OP_Callback, 1, 0, 0} + }; + if( pRight->z==pLeft->z ){ + int addr = sqliteVdbeAddOpList(v, ArraySize(getSync), getSync); + sqliteVdbeChangeP2(v, addr+3, addr+10); + }else{ + int addr; + int size = db->cache_size; + if( size<0 ) size = -size; + sqliteBeginWriteOperation(pParse, 0, 0); + sqliteVdbeAddOp(v, OP_ReadCookie, 0, 2); + sqliteVdbeAddOp(v, OP_Dup, 0, 0); + addr = sqliteVdbeAddOp(v, OP_Integer, 0, 0); + sqliteVdbeAddOp(v, OP_Ne, 0, addr+3); + sqliteVdbeAddOp(v, OP_AddImm, MAX_PAGES, 0); + sqliteVdbeAddOp(v, OP_AbsValue, 0, 0); + db->safety_level = getSafetyLevel(zRight)+1; + if( db->safety_level==1 ){ + sqliteVdbeAddOp(v, OP_Negative, 0, 0); + size = -size; + } + sqliteVdbeAddOp(v, OP_SetCookie, 0, 2); + sqliteVdbeAddOp(v, OP_Integer, db->safety_level, 0); + sqliteVdbeAddOp(v, OP_SetCookie, 0, 3); + sqliteEndWriteOperation(pParse); + db->cache_size = size; + sqliteBtreeSetCacheSize(db->aDb[0].pBt, db->cache_size); + sqliteBtreeSetSafetyLevel(db->aDb[0].pBt, db->safety_level); + } + }else + + /* + ** PRAGMA synchronous + ** PRAGMA synchronous=OFF|ON|NORMAL|FULL + ** + ** Return or set the local value of the synchronous flag. Changing + ** the local value does not make changes to the disk file and the + ** default value will be restored the next time the database is + ** opened. + */ + if( sqliteStrICmp(zLeft,"synchronous")==0 ){ + static VdbeOpList getSync[] = { + { OP_ColumnName, 0, 1, "synchronous"}, + { OP_Callback, 1, 0, 0}, + }; + if( pRight->z==pLeft->z ){ + sqliteVdbeAddOp(v, OP_Integer, db->safety_level-1, 0); + sqliteVdbeAddOpList(v, ArraySize(getSync), getSync); + }else{ + int size = db->cache_size; + if( size<0 ) size = -size; + db->safety_level = getSafetyLevel(zRight)+1; + if( db->safety_level==1 ) size = -size; + db->cache_size = size; + sqliteBtreeSetCacheSize(db->aDb[0].pBt, db->cache_size); + sqliteBtreeSetSafetyLevel(db->aDb[0].pBt, db->safety_level); + } + }else + +#ifndef NDEBUG + if( sqliteStrICmp(zLeft, "trigger_overhead_test")==0 ){ + if( getBoolean(zRight) ){ + always_code_trigger_setup = 1; + }else{ + always_code_trigger_setup = 0; + } + }else +#endif + + if( flagPragma(pParse, zLeft, zRight) ){ + /* The flagPragma() call also generates any necessary code */ + }else + + if( sqliteStrICmp(zLeft, "table_info")==0 ){ + Table *pTab; + pTab = sqliteFindTable(db, zRight, 0); + if( pTab ){ + static VdbeOpList tableInfoPreface[] = { + { OP_ColumnName, 0, 0, "cid"}, + { OP_ColumnName, 1, 0, "name"}, + { OP_ColumnName, 2, 0, "type"}, + { OP_ColumnName, 3, 0, "notnull"}, + { OP_ColumnName, 4, 0, "dflt_value"}, + { OP_ColumnName, 5, 1, "pk"}, + }; + int i; + sqliteVdbeAddOpList(v, ArraySize(tableInfoPreface), tableInfoPreface); + sqliteViewGetColumnNames(pParse, pTab); + for(i=0; i<pTab->nCol; i++){ + sqliteVdbeAddOp(v, OP_Integer, i, 0); + sqliteVdbeOp3(v, OP_String, 0, 0, pTab->aCol[i].zName, 0); + sqliteVdbeOp3(v, OP_String, 0, 0, + pTab->aCol[i].zType ? pTab->aCol[i].zType : "numeric", 0); + sqliteVdbeAddOp(v, OP_Integer, pTab->aCol[i].notNull, 0); + sqliteVdbeOp3(v, OP_String, 0, 0, + pTab->aCol[i].zDflt, P3_STATIC); + sqliteVdbeAddOp(v, OP_Integer, pTab->aCol[i].isPrimKey, 0); + sqliteVdbeAddOp(v, OP_Callback, 6, 0); + } + } + }else + + if( sqliteStrICmp(zLeft, "index_info")==0 ){ + Index *pIdx; + Table *pTab; + pIdx = sqliteFindIndex(db, zRight, 0); + if( pIdx ){ + static VdbeOpList tableInfoPreface[] = { + { OP_ColumnName, 0, 0, "seqno"}, + { OP_ColumnName, 1, 0, "cid"}, + { OP_ColumnName, 2, 1, "name"}, + }; + int i; + pTab = pIdx->pTable; + sqliteVdbeAddOpList(v, ArraySize(tableInfoPreface), tableInfoPreface); + for(i=0; i<pIdx->nColumn; i++){ + int cnum = pIdx->aiColumn[i]; + sqliteVdbeAddOp(v, OP_Integer, i, 0); + sqliteVdbeAddOp(v, OP_Integer, cnum, 0); + assert( pTab->nCol>cnum ); + sqliteVdbeOp3(v, OP_String, 0, 0, pTab->aCol[cnum].zName, 0); + sqliteVdbeAddOp(v, OP_Callback, 3, 0); + } + } + }else + + if( sqliteStrICmp(zLeft, "index_list")==0 ){ + Index *pIdx; + Table *pTab; + pTab = sqliteFindTable(db, zRight, 0); + if( pTab ){ + v = sqliteGetVdbe(pParse); + pIdx = pTab->pIndex; + } + if( pTab && pIdx ){ + int i = 0; + static VdbeOpList indexListPreface[] = { + { OP_ColumnName, 0, 0, "seq"}, + { OP_ColumnName, 1, 0, "name"}, + { OP_ColumnName, 2, 1, "unique"}, + }; + + sqliteVdbeAddOpList(v, ArraySize(indexListPreface), indexListPreface); + while(pIdx){ + sqliteVdbeAddOp(v, OP_Integer, i, 0); + sqliteVdbeOp3(v, OP_String, 0, 0, pIdx->zName, 0); + sqliteVdbeAddOp(v, OP_Integer, pIdx->onError!=OE_None, 0); + sqliteVdbeAddOp(v, OP_Callback, 3, 0); + ++i; + pIdx = pIdx->pNext; + } + } + }else + + if( sqliteStrICmp(zLeft, "foreign_key_list")==0 ){ + FKey *pFK; + Table *pTab; + pTab = sqliteFindTable(db, zRight, 0); + if( pTab ){ + v = sqliteGetVdbe(pParse); + pFK = pTab->pFKey; + } + if( pTab && pFK ){ + int i = 0; + static VdbeOpList indexListPreface[] = { + { OP_ColumnName, 0, 0, "id"}, + { OP_ColumnName, 1, 0, "seq"}, + { OP_ColumnName, 2, 0, "table"}, + { OP_ColumnName, 3, 0, "from"}, + { OP_ColumnName, 4, 1, "to"}, + }; + + sqliteVdbeAddOpList(v, ArraySize(indexListPreface), indexListPreface); + while(pFK){ + int j; + for(j=0; j<pFK->nCol; j++){ + sqliteVdbeAddOp(v, OP_Integer, i, 0); + sqliteVdbeAddOp(v, OP_Integer, j, 0); + sqliteVdbeOp3(v, OP_String, 0, 0, pFK->zTo, 0); + sqliteVdbeOp3(v, OP_String, 0, 0, + pTab->aCol[pFK->aCol[j].iFrom].zName, 0); + sqliteVdbeOp3(v, OP_String, 0, 0, pFK->aCol[j].zCol, 0); + sqliteVdbeAddOp(v, OP_Callback, 5, 0); + } + ++i; + pFK = pFK->pNextFrom; + } + } + }else + + if( sqliteStrICmp(zLeft, "database_list")==0 ){ + int i; + static VdbeOpList indexListPreface[] = { + { OP_ColumnName, 0, 0, "seq"}, + { OP_ColumnName, 1, 0, "name"}, + { OP_ColumnName, 2, 1, "file"}, + }; + + sqliteVdbeAddOpList(v, ArraySize(indexListPreface), indexListPreface); + for(i=0; i<db->nDb; i++){ + if( db->aDb[i].pBt==0 ) continue; + assert( db->aDb[i].zName!=0 ); + sqliteVdbeAddOp(v, OP_Integer, i, 0); + sqliteVdbeOp3(v, OP_String, 0, 0, db->aDb[i].zName, 0); + sqliteVdbeOp3(v, OP_String, 0, 0, + sqliteBtreeGetFilename(db->aDb[i].pBt), 0); + sqliteVdbeAddOp(v, OP_Callback, 3, 0); + } + }else + + + /* + ** PRAGMA temp_store + ** PRAGMA temp_store = "default"|"memory"|"file" + ** + ** Return or set the local value of the temp_store flag. Changing + ** the local value does not make changes to the disk file and the default + ** value will be restored the next time the database is opened. + ** + ** Note that it is possible for the library compile-time options to + ** override this setting + */ + if( sqliteStrICmp(zLeft, "temp_store")==0 ){ + static VdbeOpList getTmpDbLoc[] = { + { OP_ColumnName, 0, 1, "temp_store"}, + { OP_Callback, 1, 0, 0}, + }; + if( pRight->z==pLeft->z ){ + sqliteVdbeAddOp(v, OP_Integer, db->temp_store, 0); + sqliteVdbeAddOpList(v, ArraySize(getTmpDbLoc), getTmpDbLoc); + }else{ + if (&db->aDb[1].pBt != 0) { + sqliteErrorMsg(pParse, "The temporary database already exists - " + "its location cannot now be changed"); + } else { + db->temp_store = getTempStore(zRight); + } + } + }else + + /* + ** PRAGMA default_temp_store + ** PRAGMA default_temp_store = "default"|"memory"|"file" + ** + ** Return or set the value of the persistent temp_store flag (as + ** well as the value currently in force). + ** + ** Note that it is possible for the library compile-time options to + ** override this setting + */ + if( sqliteStrICmp(zLeft, "default_temp_store")==0 ){ + static VdbeOpList getTmpDbLoc[] = { + { OP_ColumnName, 0, 1, "temp_store"}, + { OP_ReadCookie, 0, 5, 0}, + { OP_Callback, 1, 0, 0}}; + if( pRight->z==pLeft->z ){ + sqliteVdbeAddOpList(v, ArraySize(getTmpDbLoc), getTmpDbLoc); + }else{ + if (&db->aDb[1].pBt != 0) { + sqliteErrorMsg(pParse, "The temporary database already exists - " + "its location cannot now be changed"); + } else { + sqliteBeginWriteOperation(pParse, 0, 0); + db->temp_store = getTempStore(zRight); + sqliteVdbeAddOp(v, OP_Integer, db->temp_store, 0); + sqliteVdbeAddOp(v, OP_SetCookie, 0, 5); + sqliteEndWriteOperation(pParse); + } + } + }else + +#ifndef NDEBUG + if( sqliteStrICmp(zLeft, "parser_trace")==0 ){ + extern void sqliteParserTrace(FILE*, char *); + if( getBoolean(zRight) ){ + sqliteParserTrace(stdout, "parser: "); + }else{ + sqliteParserTrace(0, 0); + } + }else +#endif + + if( sqliteStrICmp(zLeft, "integrity_check")==0 ){ + int i, j, addr; + + /* Code that initializes the integrity check program. Set the + ** error count 0 + */ + static VdbeOpList initCode[] = { + { OP_Integer, 0, 0, 0}, + { OP_MemStore, 0, 1, 0}, + { OP_ColumnName, 0, 1, "integrity_check"}, + }; + + /* Code to do an BTree integrity check on a single database file. + */ + static VdbeOpList checkDb[] = { + { OP_SetInsert, 0, 0, "2"}, + { OP_Integer, 0, 0, 0}, /* 1 */ + { OP_OpenRead, 0, 2, 0}, + { OP_Rewind, 0, 7, 0}, /* 3 */ + { OP_Column, 0, 3, 0}, /* 4 */ + { OP_SetInsert, 0, 0, 0}, + { OP_Next, 0, 4, 0}, /* 6 */ + { OP_IntegrityCk, 0, 0, 0}, /* 7 */ + { OP_Dup, 0, 1, 0}, + { OP_String, 0, 0, "ok"}, + { OP_StrEq, 0, 12, 0}, /* 10 */ + { OP_MemIncr, 0, 0, 0}, + { OP_String, 0, 0, "*** in database "}, + { OP_String, 0, 0, 0}, /* 13 */ + { OP_String, 0, 0, " ***\n"}, + { OP_Pull, 3, 0, 0}, + { OP_Concat, 4, 1, 0}, + { OP_Callback, 1, 0, 0}, + }; + + /* Code that appears at the end of the integrity check. If no error + ** messages have been generated, output OK. Otherwise output the + ** error message + */ + static VdbeOpList endCode[] = { + { OP_MemLoad, 0, 0, 0}, + { OP_Integer, 0, 0, 0}, + { OP_Ne, 0, 0, 0}, /* 2 */ + { OP_String, 0, 0, "ok"}, + { OP_Callback, 1, 0, 0}, + }; + + /* Initialize the VDBE program */ + sqliteVdbeAddOpList(v, ArraySize(initCode), initCode); + + /* Do an integrity check on each database file */ + for(i=0; i<db->nDb; i++){ + HashElem *x; + + /* Do an integrity check of the B-Tree + */ + addr = sqliteVdbeAddOpList(v, ArraySize(checkDb), checkDb); + sqliteVdbeChangeP1(v, addr+1, i); + sqliteVdbeChangeP2(v, addr+3, addr+7); + sqliteVdbeChangeP2(v, addr+6, addr+4); + sqliteVdbeChangeP2(v, addr+7, i); + sqliteVdbeChangeP2(v, addr+10, addr+ArraySize(checkDb)); + sqliteVdbeChangeP3(v, addr+13, db->aDb[i].zName, P3_STATIC); + + /* Make sure all the indices are constructed correctly. + */ + sqliteCodeVerifySchema(pParse, i); + for(x=sqliteHashFirst(&db->aDb[i].tblHash); x; x=sqliteHashNext(x)){ + Table *pTab = sqliteHashData(x); + Index *pIdx; + int loopTop; + + if( pTab->pIndex==0 ) continue; + sqliteVdbeAddOp(v, OP_Integer, i, 0); + sqliteVdbeOp3(v, OP_OpenRead, 1, pTab->tnum, pTab->zName, 0); + for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ + if( pIdx->tnum==0 ) continue; + sqliteVdbeAddOp(v, OP_Integer, pIdx->iDb, 0); + sqliteVdbeOp3(v, OP_OpenRead, j+2, pIdx->tnum, pIdx->zName, 0); + } + sqliteVdbeAddOp(v, OP_Integer, 0, 0); + sqliteVdbeAddOp(v, OP_MemStore, 1, 1); + loopTop = sqliteVdbeAddOp(v, OP_Rewind, 1, 0); + sqliteVdbeAddOp(v, OP_MemIncr, 1, 0); + for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ + int k, jmp2; + static VdbeOpList idxErr[] = { + { OP_MemIncr, 0, 0, 0}, + { OP_String, 0, 0, "rowid "}, + { OP_Recno, 1, 0, 0}, + { OP_String, 0, 0, " missing from index "}, + { OP_String, 0, 0, 0}, /* 4 */ + { OP_Concat, 4, 0, 0}, + { OP_Callback, 1, 0, 0}, + }; + sqliteVdbeAddOp(v, OP_Recno, 1, 0); + for(k=0; k<pIdx->nColumn; k++){ + int idx = pIdx->aiColumn[k]; + if( idx==pTab->iPKey ){ + sqliteVdbeAddOp(v, OP_Recno, 1, 0); + }else{ + sqliteVdbeAddOp(v, OP_Column, 1, idx); + } + } + sqliteVdbeAddOp(v, OP_MakeIdxKey, pIdx->nColumn, 0); + if( db->file_format>=4 ) sqliteAddIdxKeyType(v, pIdx); + jmp2 = sqliteVdbeAddOp(v, OP_Found, j+2, 0); + addr = sqliteVdbeAddOpList(v, ArraySize(idxErr), idxErr); + sqliteVdbeChangeP3(v, addr+4, pIdx->zName, P3_STATIC); + sqliteVdbeChangeP2(v, jmp2, sqliteVdbeCurrentAddr(v)); + } + sqliteVdbeAddOp(v, OP_Next, 1, loopTop+1); + sqliteVdbeChangeP2(v, loopTop, sqliteVdbeCurrentAddr(v)); + for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ + static VdbeOpList cntIdx[] = { + { OP_Integer, 0, 0, 0}, + { OP_MemStore, 2, 1, 0}, + { OP_Rewind, 0, 0, 0}, /* 2 */ + { OP_MemIncr, 2, 0, 0}, + { OP_Next, 0, 0, 0}, /* 4 */ + { OP_MemLoad, 1, 0, 0}, + { OP_MemLoad, 2, 0, 0}, + { OP_Eq, 0, 0, 0}, /* 7 */ + { OP_MemIncr, 0, 0, 0}, + { OP_String, 0, 0, "wrong # of entries in index "}, + { OP_String, 0, 0, 0}, /* 10 */ + { OP_Concat, 2, 0, 0}, + { OP_Callback, 1, 0, 0}, + }; + if( pIdx->tnum==0 ) continue; + addr = sqliteVdbeAddOpList(v, ArraySize(cntIdx), cntIdx); + sqliteVdbeChangeP1(v, addr+2, j+2); + sqliteVdbeChangeP2(v, addr+2, addr+5); + sqliteVdbeChangeP1(v, addr+4, j+2); + sqliteVdbeChangeP2(v, addr+4, addr+3); + sqliteVdbeChangeP2(v, addr+7, addr+ArraySize(cntIdx)); + sqliteVdbeChangeP3(v, addr+10, pIdx->zName, P3_STATIC); + } + } + } + addr = sqliteVdbeAddOpList(v, ArraySize(endCode), endCode); + sqliteVdbeChangeP2(v, addr+2, addr+ArraySize(endCode)); + }else + + {} + sqliteFree(zLeft); + sqliteFree(zRight); +} |