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Overview
Comment: | Ensure that compatible malloc and free functions are used with stat3 data if SQLITE_ENABLE_STAT3 is defined. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
32bb1ecee4e43a4683512dbca047abf7 |
User & Date: | dan 2012-03-19 10:21:37.927 |
Context
2012-03-19
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14:28 | Avoid a compiler warning (an incorrect compiler warning, at that) in vs2010. (check-in: 7dd97f12cd user: drh tags: trunk) | |
11:17 | Merge the latest trunk changes into the sessions branch. (check-in: 2277c70b6f user: dan tags: sessions) | |
10:21 | Ensure that compatible malloc and free functions are used with stat3 data if SQLITE_ENABLE_STAT3 is defined. (check-in: 32bb1ecee4 user: dan tags: trunk) | |
2012-03-17
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15:12 | In pager1.test, use "file attr test.db -readonly 0" before "file attr test.db -perm rw-rw-rw-", not after. (check-in: 4f5283f18f user: dan tags: trunk) | |
Changes
Changes to src/analyze.c.
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928 929 930 931 932 933 934 935 936 937 938 939 940 941 | sqlite3_stmt *pStmt = 0; /* An SQL statement being run */ char *zSql; /* Text of the SQL statement */ Index *pPrevIdx = 0; /* Previous index in the loop */ int idx = 0; /* slot in pIdx->aSample[] for next sample */ int eType; /* Datatype of a sample */ IndexSample *pSample; /* A slot in pIdx->aSample[] */ if( !sqlite3FindTable(db, "sqlite_stat3", zDb) ){ return SQLITE_OK; } zSql = sqlite3MPrintf(db, "SELECT idx,count(*) FROM %Q.sqlite_stat3" " GROUP BY idx", zDb); | > | 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 | sqlite3_stmt *pStmt = 0; /* An SQL statement being run */ char *zSql; /* Text of the SQL statement */ Index *pPrevIdx = 0; /* Previous index in the loop */ int idx = 0; /* slot in pIdx->aSample[] for next sample */ int eType; /* Datatype of a sample */ IndexSample *pSample; /* A slot in pIdx->aSample[] */ assert( db->lookaside.bEnabled==0 ); if( !sqlite3FindTable(db, "sqlite_stat3", zDb) ){ return SQLITE_OK; } zSql = sqlite3MPrintf(db, "SELECT idx,count(*) FROM %Q.sqlite_stat3" " GROUP BY idx", zDb); |
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954 955 956 957 958 959 960 | zIndex = (char *)sqlite3_column_text(pStmt, 0); if( zIndex==0 ) continue; nSample = sqlite3_column_int(pStmt, 1); pIdx = sqlite3FindIndex(db, zIndex, zDb); if( pIdx==0 ) continue; assert( pIdx->nSample==0 ); pIdx->nSample = nSample; | | | 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 | zIndex = (char *)sqlite3_column_text(pStmt, 0); if( zIndex==0 ) continue; nSample = sqlite3_column_int(pStmt, 1); pIdx = sqlite3FindIndex(db, zIndex, zDb); if( pIdx==0 ) continue; assert( pIdx->nSample==0 ); pIdx->nSample = nSample; pIdx->aSample = sqlite3DbMallocZero(db, nSample*sizeof(IndexSample)); pIdx->avgEq = pIdx->aiRowEst[1]; if( pIdx->aSample==0 ){ db->mallocFailed = 1; sqlite3_finalize(pStmt); return SQLITE_NOMEM; } } |
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1027 1028 1029 1030 1031 1032 1033 | sqlite3_column_text(pStmt, 4) ); int n = z ? sqlite3_column_bytes(pStmt, 4) : 0; pSample->nByte = n; if( n < 1){ pSample->u.z = 0; }else{ | | | 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 | sqlite3_column_text(pStmt, 4) ); int n = z ? sqlite3_column_bytes(pStmt, 4) : 0; pSample->nByte = n; if( n < 1){ pSample->u.z = 0; }else{ pSample->u.z = sqlite3DbMallocRaw(db, n); if( pSample->u.z==0 ){ db->mallocFailed = 1; sqlite3_finalize(pStmt); return SQLITE_NOMEM; } memcpy(pSample->u.z, z, n); } |
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1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 | sqlite3DbFree(db, zSql); } /* Load the statistics from the sqlite_stat3 table. */ #ifdef SQLITE_ENABLE_STAT3 if( rc==SQLITE_OK ){ rc = loadStat3(db, sInfo.zDatabase); } #endif if( rc==SQLITE_NOMEM ){ db->mallocFailed = 1; } return rc; } #endif /* SQLITE_OMIT_ANALYZE */ | > > > | 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 | sqlite3DbFree(db, zSql); } /* Load the statistics from the sqlite_stat3 table. */ #ifdef SQLITE_ENABLE_STAT3 if( rc==SQLITE_OK ){ int lookasideEnabled = db->lookaside.bEnabled; db->lookaside.bEnabled = 0; rc = loadStat3(db, sInfo.zDatabase); db->lookaside.bEnabled = lookasideEnabled; } #endif if( rc==SQLITE_NOMEM ){ db->mallocFailed = 1; } return rc; } #endif /* SQLITE_OMIT_ANALYZE */ |