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Overview
| Comment: | In the index_list pragma, make sure the "r" column is the same on output as it was on input in the sqlite_stat1 table. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | index-scan-rate |
| Files: | files | file ages | folders |
| SHA1: |
de78250ad2a6210dd4f03045248f7192 |
| User & Date: | drh 2013-10-05 02:56:25 |
Context
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2013-10-05
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| 18:16 | Begin an experimental refactoring to estimate the average number of bytes in table and index rows and to use that information in query planner. Begin by renaming WhereCost to LogEst and making that type and its conversion routines available outside of where.c. (check-in: 66c4a251 user: drh tags: row-size-est) | |
| 02:56 | In the index_list pragma, make sure the "r" column is the same on output as it was on input in the sqlite_stat1 table. (Closed-Leaf check-in: de78250a user: drh tags: index-scan-rate) | |
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2013-10-04
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| 20:39 | Merge trunk changes. (check-in: c6ac80ed user: drh tags: index-scan-rate) | |
Changes
Changes to src/pragma.c.
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sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "unique", SQLITE_STATIC);
sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "r", SQLITE_STATIC);
while(pIdx){
sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pIdx->zName, 0);
sqlite3VdbeAddOp2(v, OP_Integer, pIdx->onError!=OE_None, 3);
sqlite3VdbeAddOp2(v, OP_Integer, pIdx->iScanRatio*100/128, 4);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 4);
++i;
pIdx = pIdx->pNext;
}
}
}
}
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sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "unique", SQLITE_STATIC);
sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "r", SQLITE_STATIC);
while(pIdx){
sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pIdx->zName, 0);
sqlite3VdbeAddOp2(v, OP_Integer, pIdx->onError!=OE_None, 3);
sqlite3VdbeAddOp2(v, OP_Integer, (pIdx->iScanRatio*100+127)/128, 4);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 4);
++i;
pIdx = pIdx->pNext;
}
}
}
}
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