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Overview
| Comment: | Reorder two comparisons for a small performance gain in OP_Transaction. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
d7667f6560318272c8b35b478e29b0ed |
| User & Date: | drh 2019-10-05 15:28:24 |
Context
|
2019-10-05
| ||
| 18:33 | Call sqlite3Prepare() directly, rather than going through sqlite3_prepare(), when processing the sqlite_master.sql column for a schema. (check-in: cc49380e user: drh tags: trunk) | |
| 15:28 | Reorder two comparisons for a small performance gain in OP_Transaction. (check-in: d7667f65 user: drh tags: trunk) | |
| 14:39 | Performance optimization to the lookaside-memory disabling mechanism. (check-in: 17ce1c49 user: drh tags: trunk) | |
Changes
Changes to src/vdbe.c.
3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 |
p->pc = (int)(pOp - aOp);
p->rc = rc;
goto vdbe_return;
}
goto abort_due_to_error;
}
if( pOp->p2 && p->usesStmtJournal
&& (db->autoCommit==0 || db->nVdbeRead>1)
){
assert( sqlite3BtreeIsInTrans(pBt) );
if( p->iStatement==0 ){
assert( db->nStatement>=0 && db->nSavepoint>=0 );
db->nStatement++;
p->iStatement = db->nSavepoint + db->nStatement;
|
| > |
3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 |
p->pc = (int)(pOp - aOp);
p->rc = rc;
goto vdbe_return;
}
goto abort_due_to_error;
}
if( p->usesStmtJournal
&& pOp->p2
&& (db->autoCommit==0 || db->nVdbeRead>1)
){
assert( sqlite3BtreeIsInTrans(pBt) );
if( p->iStatement==0 ){
assert( db->nStatement>=0 && db->nSavepoint>=0 );
db->nStatement++;
p->iStatement = db->nSavepoint + db->nStatement;
|