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Overview
| Comment: | Fix the header comment in sqlite3VdbeDeletePriorOpcode(). No changes to code. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
7fb1626866c2f8dad84c7e6184824be3 |
| User & Date: | drh 2014-09-29 15:42:01 |
Context
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2014-09-30
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| 12:33 | Remove the SQLITE_ENABLE_TREE_EXPLAIN compile-time option. Add alternative debugging display routines: sqlite3TreeViewExpr(), sqlite3TreeViewExprList(), and sqlite3TreeViewSelect(). check-in: 4ff51325 user: drh tags: trunk | |
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2014-09-29
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| 18:47 | Add the OPFLAG_MULTICOLUMN flag to the OP_Column opcode. Rearrange OP_Column instructions to take advantage of the new flag for a small performance increase Leaf check-in: 5e5d6e86 user: drh tags: faster-OP_Column | |
| 15:42 | Fix the header comment in sqlite3VdbeDeletePriorOpcode(). No changes to code. check-in: 7fb16268 user: drh tags: trunk | |
| 15:00 | Ensure that the OP_Prev opcode verifies that content has not been deleted out from under the cursor. Fix for ticket [209d31e3161b9e9ff]. check-in: 414f0d6a user: drh tags: trunk | |
Changes
Changes to src/vdbeaux.c.
748 748 memset(pOp, 0, sizeof(pOp[0])); 749 749 pOp->opcode = OP_Noop; 750 750 if( addr==p->nOp-1 ) p->nOp--; 751 751 } 752 752 } 753 753 754 754 /* 755 -** Remove the last opcode inserted 755 +** If the last opcode is "op" and it is not a jump destination, 756 +** then remove it. Return true if and only if an opcode was removed. 756 757 */ 757 758 int sqlite3VdbeDeletePriorOpcode(Vdbe *p, u8 op){ 758 759 if( (p->nOp-1)>(p->pParse->iFixedOp) && p->aOp[p->nOp-1].opcode==op ){ 759 760 sqlite3VdbeChangeToNoop(p, p->nOp-1); 760 761 return 1; 761 762 }else{ 762 763 return 0;