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Overview
Comment: | Simple comment clarification. No code or logic changes. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | upsert |
Files: | files | file ages | folders |
SHA3-256: |
a26f9c9f89c24048cb77d5c0c8de37f4 |
User & Date: | drh 2018-04-12 19:51:22.089 |
Context
2018-04-12
| ||
20:21 | Fix another typo in a comment. (check-in: 046bb6d258 user: drh tags: upsert) | |
19:51 | Simple comment clarification. No code or logic changes. (check-in: a26f9c9f89 user: drh tags: upsert) | |
17:28 | Extend the upsert syntax to allow a WHERE clause on the UPDATE. (check-in: e4396c540a user: drh tags: upsert) | |
Changes
Changes to src/update.c.
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510 511 512 513 514 515 516 | labelContinue = sqlite3VdbeAddOp3(v, OP_RowSetRead, regRowSet, labelBreak, regOldRowid); VdbeCoverage(v); sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue, regOldRowid); 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); } |
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