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Overview
| Comment: | Mark new VDBE branches never taken. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
83c2adffbfb6dcdddb38ad9f888647b0 |
| User & Date: | drh 2019-08-31 20:26:06 |
Context
|
2019-08-31
| ||
| 20:29 | Fix a harmless compiler warning. (check-in: 63c67a54 user: drh tags: trunk) | |
| 20:26 | Mark new VDBE branches never taken. (check-in: 83c2adff 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: d7680074 user: drh tags: trunk) | |
Changes
Changes to src/update.c.
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);
}
|