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Overview
| Comment: | Make sure the whereSplit() routine in the query planner is not confused by the likely() operator. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
588db14ffb4b0e8e76d511b7b1541db3 |
| User & Date: | drh 2015-04-21 02:12:13 |
Context
|
2015-04-21
| ||
| 02:17 | Test case for the previous check-in. check-in: a526f58b user: drh tags: trunk | |
| 02:12 | Make sure the whereSplit() routine in the query planner is not confused by the likely() operator. check-in: 588db14f user: drh tags: trunk | |
| 00:23 | Enable compilation and VSIX package creation with the Visual Studio 2015 CTP. check-in: 03b725a7 user: mistachkin tags: trunk | |
Changes
Changes to src/where.c.
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** does is make slot[] entries point to substructure within pExpr.
**
** In the previous sentence and in the diagram, "slot[]" refers to
** the WhereClause.a[] array. The slot[] array grows as needed to contain
** all terms of the WHERE clause.
*/
static void whereSplit(WhereClause *pWC, Expr *pExpr, u8 op){
pWC->op = op;
if( pExpr==0 ) return;
if( pExpr->op!=op ){
whereClauseInsert(pWC, pExpr, 0);
}else{
whereSplit(pWC, pExpr->pLeft, op);
whereSplit(pWC, pExpr->pRight, op);
}
}
/*
** Initialize a WhereMaskSet object
*/
#define initMaskSet(P) (P)->n=0
|
> | | | | |
251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 |
** does is make slot[] entries point to substructure within pExpr.
**
** In the previous sentence and in the diagram, "slot[]" refers to
** the WhereClause.a[] array. The slot[] array grows as needed to contain
** all terms of the WHERE clause.
*/
static void whereSplit(WhereClause *pWC, Expr *pExpr, u8 op){
Expr *pE2 = sqlite3ExprSkipCollate(pExpr);
pWC->op = op;
if( pE2==0 ) return;
if( pE2->op!=op ){
whereClauseInsert(pWC, pExpr, 0);
}else{
whereSplit(pWC, pE2->pLeft, op);
whereSplit(pWC, pE2->pRight, op);
}
}
/*
** Initialize a WhereMaskSet object
*/
#define initMaskSet(P) (P)->n=0
|