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Overview
| Comment: | Use sqlite3FkOldmask() in delete.c instead of assuming that foreign key constraints always require all columns of the deleted row to be stored in registers. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
ce554a393401fc2fb9b5be049ddd3830 |
| User & Date: | dan 2009-09-24 10:42:10 |
Context
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2009-09-24
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| 11:31 | Ensure foreign key related processing takes place when rows are deleted from the database by REPLACE conflict handling. (check-in: 3f40c142 user: dan tags: trunk) | |
| 10:42 | Use sqlite3FkOldmask() in delete.c instead of assuming that foreign key constraints always require all columns of the deleted row to be stored in registers. (check-in: ce554a39 user: dan tags: trunk) | |
| 09:05 | Remove unused parameter from sqlite3CodeRowTrigger(). Fix header comments for this function and CodeRowTriggerDirect(). (check-in: 0443f7c9 user: dan tags: trunk) | |
Changes
Changes to src/delete.c.
495 495 if( sqlite3FkRequired(pParse, pTab, 0) || pTrigger ){ 496 496 u32 mask; /* Mask of OLD.* columns in use */ 497 497 int iCol; /* Iterator used while populating OLD.* */ 498 498 499 499 /* TODO: Could use temporary registers here. Also could attempt to 500 500 ** avoid copying the contents of the rowid register. */ 501 501 mask = sqlite3TriggerOldmask(pParse, pTrigger, 0, pTab, onconf); 502 + mask |= sqlite3FkOldmask(pParse, pTab, 0); 502 503 iOld = pParse->nMem+1; 503 504 pParse->nMem += (1 + pTab->nCol); 504 505 505 506 /* Populate the OLD.* pseudo-table register array. These values will be 506 507 ** used by any BEFORE and AFTER triggers that exist. */ 507 508 sqlite3VdbeAddOp2(v, OP_Copy, iRowid, iOld); 508 509 for(iCol=0; iCol<pTab->nCol; iCol++){ 509 - if( 1 || mask==0xffffffff || mask&(1<<iCol) ){ 510 + if( mask==0xffffffff || mask&(1<<iCol) ){ 510 511 int iTarget = iOld + iCol + 1; 511 512 sqlite3VdbeAddOp3(v, OP_Column, iCur, iCol, iTarget); 512 513 sqlite3ColumnDefault(v, pTab, iCol, iTarget); 513 514 } 514 515 } 515 516 516 517 /* Invoke BEFORE DELETE trigger programs. */