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Overview
| Comment: | Very small optimization in the bytecode engine. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
46002511e52518bae14f210157f231c8 |
| User & Date: | drh 2016-09-19 23:39:34 |
Context
|
2016-09-20
| ||
| 01:19 | Avoid unnecessary calls to ExpandBlob() for smaller and faster code. check-in: 5e196fd1 user: drh tags: trunk | |
|
2016-09-19
| ||
| 23:39 | Very small optimization in the bytecode engine. check-in: 46002511 user: drh tags: trunk | |
| 11:00 | Fix a segfault introduced by the row-value enhancement that comes up on a skip-scan where the first term of the index is unconstrained and the second term is of the form "columm IN (SELECT...)". check-in: 2401ea5a user: drh tags: trunk | |
Changes
Changes to src/vdbe.c.
3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 |
}
pBt = db->aDb[pOp->p1].pBt;
if( pBt ){
rc = sqlite3BtreeBeginTrans(pBt, pOp->p2);
testcase( rc==SQLITE_BUSY_SNAPSHOT );
testcase( rc==SQLITE_BUSY_RECOVERY );
if( (rc&0xff)==SQLITE_BUSY ){
p->pc = (int)(pOp - aOp);
p->rc = rc;
goto vdbe_return;
}
if( rc!=SQLITE_OK ){
goto abort_due_to_error;
}
if( pOp->p2 && p->usesStmtJournal
&& (db->autoCommit==0 || db->nVdbeRead>1)
){
assert( sqlite3BtreeIsInTrans(pBt) );
|
> | | | | | < |
3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 |
}
pBt = db->aDb[pOp->p1].pBt;
if( pBt ){
rc = sqlite3BtreeBeginTrans(pBt, pOp->p2);
testcase( rc==SQLITE_BUSY_SNAPSHOT );
testcase( rc==SQLITE_BUSY_RECOVERY );
if( rc!=SQLITE_OK ){
if( (rc&0xff)==SQLITE_BUSY ){
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) );
|