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Overview
| Comment: | Faster implementation of resolveP2Values(). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
82e46fe0d497f871e652a579f25e77de |
| User & Date: | drh 2017-08-02 02:46:43 |
Context
|
2017-08-02
| ||
| 03:21 | Add the "%token" control to the lemon parser. Not currently used by SQLite. check-in: a6e4c5ae8f user: drh tags: trunk | |
| 02:46 | Faster implementation of resolveP2Values(). check-in: 82e46fe0d4 user: drh tags: trunk | |
|
2017-08-01
| ||
| 20:59 | Slightly smaller and faster by allocating Parser objects on the stack. check-in: 436a89b919 user: drh tags: trunk | |
Changes
Changes to src/vdbeaux.c.
621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 |
case OP_Prev:
case OP_PrevIfOpen: {
pOp->p4.xAdvance = sqlite3BtreePrevious;
pOp->p4type = P4_ADVANCE;
break;
}
}
if( (sqlite3OpcodeProperty[pOp->opcode] & OPFLG_JUMP)!=0 && pOp->p2<0 ){
assert( ADDR(pOp->p2)<pParse->nLabel );
pOp->p2 = aLabel[ADDR(pOp->p2)];
}
}
if( pOp==p->aOp ) break;
pOp--;
}
|
| |
621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 |
case OP_Prev:
case OP_PrevIfOpen: {
pOp->p4.xAdvance = sqlite3BtreePrevious;
pOp->p4type = P4_ADVANCE;
break;
}
}
if( pOp->p2<0 && (sqlite3OpcodeProperty[pOp->opcode] & OPFLG_JUMP)!=0 ){
assert( ADDR(pOp->p2)<pParse->nLabel );
pOp->p2 = aLabel[ADDR(pOp->p2)];
}
}
if( pOp==p->aOp ) break;
pOp--;
}
|