database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-06 15:49:35 +03:00
Code Activity

Experimental changes to improve optimization of DISTINCT queries.

Browse Source 
FossilOrigin-Name: f7ba0219ef2f235543c258be736955d91ca5ecce
This commit is contained in:
dan
2011-06-30 20:17:15 +00:00
parent e1b4f0f177
commit 38cc40c216
14 changed files with 219 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/delete.c
View File

@@ -371,7 +371,9 @@ void sqlite3DeleteFrom(
/* Collect rowids of every row to be deleted.
*/
sqlite3VdbeAddOp2(v, OP_Null, 0, iRowSet);
pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere,0,WHERE_DUPLICATES_OK);
pWInfo = sqlite3WhereBegin(
pParse, pTabList, pWhere, 0, 0, WHERE_DUPLICATES_OK
);
if( pWInfo==0 ) goto delete_from_cleanup;
regRowid = sqlite3ExprCodeGetColumn(pParse, pTab, -1, iCur, iRowid);
sqlite3VdbeAddOp2(v, OP_RowSetAdd, iRowSet, regRowid);