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Overview
| Comment: | Candidate fix for [d11a6e908f]. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | select-trace |
| Files: | files | file ages | folders |
| SHA1: |
89398880bcfff96e91d2a9c45774f5fb |
| User & Date: | dan 2014-09-20 20:38:48.213 |
Context
|
2014-09-21
| ||
| 00:27 | Improved ".selecttrace" output. (check-in: c0b61f7092 user: drh tags: select-trace) | |
|
2014-09-20
| ||
| 20:38 | Candidate fix for [d11a6e908f]. (check-in: 89398880bc user: dan tags: select-trace) | |
| 20:24 | Fix the SELECTTRACE_ENABLE macro so that it doesn't cause problems for testfixture. Add new SELECTTRACE() calls. (check-in: f1ba68f131 user: drh tags: select-trace) | |
Changes
Changes to src/select.c.
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3557 3558 3559 3560 3561 3562 3563 3564 |
}
substExprList(db, pParent->pEList, iParent, pSub->pEList);
if( isAgg ){
substExprList(db, pParent->pGroupBy, iParent, pSub->pEList);
pParent->pHaving = substExpr(db, pParent->pHaving, iParent, pSub->pEList);
}
if( pSub->pOrderBy ){
assert( pParent->pOrderBy==0 );
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}
substExprList(db, pParent->pEList, iParent, pSub->pEList);
if( isAgg ){
substExprList(db, pParent->pGroupBy, iParent, pSub->pEList);
pParent->pHaving = substExpr(db, pParent->pHaving, iParent, pSub->pEList);
}
if( pSub->pOrderBy ){
/* At this point, any non-zero iOrderByCol values indicate that the
** ORDER BY column expression is identical to the iOrderByCol'th
** expression returned by SELECT statement pSub. Since these values
** do not necessarily correspond to columns in SELECT statement pParent,
** zero them before transfering the ORDER BY clause.
**
** Not doing this may cause an error if a subsequent call to this
** function attempts to flatten a compound sub-query into pParent
** (the only way this can happen is if the compound sub-query is
** currently part of pSub->pSrc). See ticket [d11a6e908f]. */
ExprList *pOrderBy = pSub->pOrderBy;
for(i=0; i<pOrderBy->nExpr; i++){
pOrderBy->a[i].u.x.iOrderByCol = 0;
}
assert( pParent->pOrderBy==0 );
assert( pSub->pPrior==0 );
pParent->pOrderBy = pOrderBy;
pSub->pOrderBy = 0;
}else if( pParent->pOrderBy ){
substExprList(db, pParent->pOrderBy, iParent, pSub->pEList);
}
if( pSub->pWhere ){
pWhere = sqlite3ExprDup(db, pSub->pWhere, 0);
}else{
|
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