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Overview
Comment: | Mark new VDBE branches never taken. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
83c2adffbfb6dcdddb38ad9f888647b0 |
User & Date: | drh 2019-08-31 20:26:06.446 |
Context
2019-08-31
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20:29 | Fix a harmless compiler warning. (check-in: 63c67a54b4 user: drh tags: trunk) | |
20:26 | Mark new VDBE branches never taken. (check-in: 83c2adffbf user: drh tags: trunk) | |
20:13 | Improvements to the algorithm that determines which SELECT in a sequence of nested SELECT statements that an aggregate function belongs to. This resolves an issue identified by dbsqlfuzz. (check-in: d768007473 user: drh tags: trunk) | |
Changes
Changes to src/update.c.
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726 727 728 729 730 731 732 733 734 735 736 737 738 739 | ** moved cursor iDataCur. Reseek it. */ if( bReplace || chngKey ){ if( pPk ){ sqlite3VdbeAddOp4Int(v, OP_NotFound,iDataCur,labelContinue,regKey,nKey); }else{ sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue,regOldRowid); } } /* Do FK constraint checks. */ if( hasFK ){ sqlite3FkCheck(pParse, pTab, regOldRowid, 0, aXRef, chngKey); } | > | 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 | ** moved cursor iDataCur. Reseek it. */ if( bReplace || chngKey ){ if( pPk ){ sqlite3VdbeAddOp4Int(v, OP_NotFound,iDataCur,labelContinue,regKey,nKey); }else{ sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue,regOldRowid); } VdbeCoverageNeverTaken(v); } /* Do FK constraint checks. */ if( hasFK ){ sqlite3FkCheck(pParse, pTab, regOldRowid, 0, aXRef, chngKey); } |
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