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Overview
| Comment: | Improved VDBE comment on UPSERT code. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | upsert-opt2 |
| Files: | files | file ages | folders |
| SHA3-256: | 131ed95e1452a5b0d92341c48a5d3915b328ccfce2cf605f702428ae7ee3e21b |
| User & Date: | drh 2018-04-20 16:49:51 |
Context
|
2018-04-20
| ||
| 17:02 | Avoid unnecessary cursor seeking when performing an UPSERT. check-in: 693a3dcb user: drh tags: trunk | |
| 16:49 | Improved VDBE comment on UPSERT code. Closed-Leaf check-in: 131ed95e user: drh tags: upsert-opt2 | |
| 16:27 | Minor simplification of the previous checkin. check-in: d1906689 user: drh tags: upsert-opt2 | |
Changes
Changes to src/upsert.c.
222 223 224 225 226 227 228 229 230 231 232 233 234 235 |
int i;
pParse->nMem += nPk;
for(i=0; i<nPk; i++){
int k;
assert( pPk->aiColumn[i]>=0 );
k = sqlite3ColumnOfIndex(pIdx, pPk->aiColumn[i]);
sqlite3VdbeAddOp3(v, OP_Column, iCur, k, iPk+i);
}
i = sqlite3VdbeAddOp4Int(v, OP_Found, iDataCur, 0, iPk, nPk);
VdbeCoverage(v);
sqlite3VdbeAddOp2(v, OP_Halt, SQLITE_CORRUPT, OE_Abort);
sqlite3VdbeJumpHere(v, i);
}
}
|
> |
222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 |
int i;
pParse->nMem += nPk;
for(i=0; i<nPk; i++){
int k;
assert( pPk->aiColumn[i]>=0 );
k = sqlite3ColumnOfIndex(pIdx, pPk->aiColumn[i]);
sqlite3VdbeAddOp3(v, OP_Column, iCur, k, iPk+i);
VdbeComment((v, "%s.%s", pIdx->zName, pTab->aCol[i].zName));
}
i = sqlite3VdbeAddOp4Int(v, OP_Found, iDataCur, 0, iPk, nPk);
VdbeCoverage(v);
sqlite3VdbeAddOp2(v, OP_Halt, SQLITE_CORRUPT, OE_Abort);
sqlite3VdbeJumpHere(v, i);
}
}
|