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Overview
| Comment: | Add a comment to restriction (6) of the push-down optimization. No changes to code. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: | 0c8a2f257fb71b2b053c4a2028db063e |
| User & Date: | drh 2018-07-09 20:58:43 |
Context
|
2018-07-09
| ||
| 22:49 | Fixes for various harmless compiler warnings. check-in: 5023b1b8 user: drh tags: trunk | |
| 20:58 | Add a comment to restriction (6) of the push-down optimization. No changes to code. check-in: 0c8a2f25 user: drh tags: trunk | |
| 20:41 | Add an ALWAYS() around a branch in sqlite3BtreeSkipNext() that we believe must always be true. check-in: 12be361a user: drh tags: trunk | |
Changes
Changes to src/select.c.
4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 |
){
Expr *pNew;
int nChng = 0;
if( pWhere==0 ) return 0;
if( pSubq->selFlags & SF_Recursive ) return 0; /* restriction (2) */
#ifndef SQLITE_OMIT_WINDOWFUNC
if( pSubq->pWin ) return 0;
#endif
#ifdef SQLITE_DEBUG
/* Only the first term of a compound can have a WITH clause. But make
** sure no other terms are marked SF_Recursive in case something changes
** in the future.
*/
|
| |
4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 |
){
Expr *pNew;
int nChng = 0;
if( pWhere==0 ) return 0;
if( pSubq->selFlags & SF_Recursive ) return 0; /* restriction (2) */
#ifndef SQLITE_OMIT_WINDOWFUNC
if( pSubq->pWin ) return 0; /* restriction (6) */
#endif
#ifdef SQLITE_DEBUG
/* Only the first term of a compound can have a WITH clause. But make
** sure no other terms are marked SF_Recursive in case something changes
** in the future.
*/
|