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Overview
| Comment: | Remove an unreachable branch in the query flattener substitution logic. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
46ee3453a31b5e793d5aaad471cec1b1 |
| User & Date: | drh 2015-10-11 20:08:31 |
Context
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2015-10-11
| ||
| 20:39 | Detect and report circularly defined views even if the views have the columns defined in the CREATE VIEW statement. (check-in: 9ab9c8c6 user: drh tags: trunk) | |
| 20:08 | Remove an unreachable branch in the query flattener substitution logic. (check-in: 46ee3453 user: drh tags: trunk) | |
| 19:46 | Improved substitution logic in the query flattener. Saves code space, and (more importantly) works correctly with table-valued functions. (check-in: 3d0bd95e user: drh tags: trunk) | |
Changes
Changes to src/select.c.
3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 |
do{
substExprList(db, p->pEList, iTable, pEList);
substExprList(db, p->pGroupBy, iTable, pEList);
substExprList(db, p->pOrderBy, iTable, pEList);
p->pHaving = substExpr(db, p->pHaving, iTable, pEList);
p->pWhere = substExpr(db, p->pWhere, iTable, pEList);
pSrc = p->pSrc;
if( pSrc ){
for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){
substSelect(db, pItem->pSelect, iTable, pEList, 1);
if( pItem->fg.isTabFunc ){
substExprList(db, pItem->u1.pFuncArg, iTable, pEList);
}
}
}
}while( doPrior && (p = p->pPrior)!=0 );
}
#endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */
#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
|
| | | | | < |
3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 |
do{
substExprList(db, p->pEList, iTable, pEList);
substExprList(db, p->pGroupBy, iTable, pEList);
substExprList(db, p->pOrderBy, iTable, pEList);
p->pHaving = substExpr(db, p->pHaving, iTable, pEList);
p->pWhere = substExpr(db, p->pWhere, iTable, pEList);
pSrc = p->pSrc;
assert( pSrc!=0 );
for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){
substSelect(db, pItem->pSelect, iTable, pEList, 1);
if( pItem->fg.isTabFunc ){
substExprList(db, pItem->u1.pFuncArg, iTable, pEList);
}
}
}while( doPrior && (p = p->pPrior)!=0 );
}
#endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */
#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
|