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Overview
| Comment: | Simple comment clarification. No code or logic changes. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | upsert |
| Files: | files | file ages | folders |
| SHA3-256: | a26f9c9f89c24048cb77d5c0c8de37f4 |
| User & Date: | drh 2018-04-12 19:51:22 |
Context
|
2018-04-12
| ||
| 20:21 | Fix another typo in a comment. check-in: 046bb6d2 user: drh tags: upsert | |
| 19:51 | Simple comment clarification. No code or logic changes. check-in: a26f9c9f user: drh tags: upsert | |
| 17:28 | Extend the upsert syntax to allow a WHERE clause on the UPDATE. check-in: e4396c54 user: drh tags: upsert | |
Changes
Changes to src/update.c.
510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 |
labelContinue = sqlite3VdbeAddOp3(v, OP_RowSetRead, regRowSet, labelBreak,
regOldRowid);
VdbeCoverage(v);
sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue, regOldRowid);
VdbeCoverage(v);
}
/* If the record number will change, set register regNewRowid to
** contain the new value. If the record number is not being modified,
** then regNewRowid is the same register as regOldRowid, which is
** already populated. */
assert( chngKey || pTrigger || hasFK || regOldRowid==regNewRowid );
if( chngRowid ){
sqlite3ExprCode(pParse, pRowidExpr, regNewRowid);
sqlite3VdbeAddOp1(v, OP_MustBeInt, regNewRowid); VdbeCoverage(v);
}
|
| | |
510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 |
labelContinue = sqlite3VdbeAddOp3(v, OP_RowSetRead, regRowSet, labelBreak,
regOldRowid);
VdbeCoverage(v);
sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue, regOldRowid);
VdbeCoverage(v);
}
/* If the rowid value will change, set register regNewRowid to
** contain the new value. If the rowid is not being modified,
** then regNewRowid is the same register as regOldRowid, which is
** already populated. */
assert( chngKey || pTrigger || hasFK || regOldRowid==regNewRowid );
if( chngRowid ){
sqlite3ExprCode(pParse, pRowidExpr, regNewRowid);
sqlite3VdbeAddOp1(v, OP_MustBeInt, regNewRowid); VdbeCoverage(v);
}
|