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Overview
Comment: | Do not try to use STAT2 to refine the row estimate of a query that uses a unique or nearly-unique index. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
efffc49baf38698ed3de05d16b4261bf |
User & Date: | drh 2011-07-13 18:31:10.999 |
Context
2011-07-15
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13:43 | In os_unix.c, check if the ESTALE macro is defined before using it. (check-in: 87017410f2 user: dan tags: trunk) | |
2011-07-13
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18:31 | Do not try to use STAT2 to refine the row estimate of a query that uses a unique or nearly-unique index. (check-in: efffc49baf user: drh tags: trunk) | |
16:03 | Added the SQLITE_FCNTL_WIN32_AV_RETRY file control for configuring the retry counts and delays in the windows VFS. (check-in: 7aaf0a6ae1 user: drh tags: trunk) | |
Changes
Changes to src/where.c.
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3107 3108 3109 3110 3111 3112 3113 | 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 | - + + - + | nRow = (double)(aiRowEst[nEq] * nInMul); if( bInEst && nRow*2>aiRowEst[0] ){ nRow = aiRowEst[0]/2; nInMul = (int)(nRow / aiRowEst[nEq]); } #ifdef SQLITE_ENABLE_STAT2 |
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