database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-11 01:42:22 +03:00
Code Activity

Fix the count-optimization so that it honors the NOT INDEXED clause.

Browse Source 
FossilOrigin-Name: 0d23a0b209900f4d7c6c13f75d4364f19afc23db72f9cfdb11e05b81502e8040
This commit is contained in:
drh
2020-05-08 18:22:00 +00:00
parent 91d4c374e2
commit 98aa1d735e
4 changed files with 55 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/select.c
View File

@@ -6698,13 +6698,15 @@ int sqlite3Select(
** passed to keep OP_OpenRead happy.
*/
if( !HasRowid(pTab) ) pBest = sqlite3PrimaryKeyIndex(pTab);
for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
if( pIdx->bUnordered==0
&& pIdx->szIdxRow<pTab->szTabRow
&& pIdx->pPartIdxWhere==0
&& (!pBest || pIdx->szIdxRow<pBest->szIdxRow)
){
pBest = pIdx;
if( !p->pSrc->a[0].fg.notIndexed ){
for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
if( pIdx->bUnordered==0
&& pIdx->szIdxRow<pTab->szTabRow
&& pIdx->pPartIdxWhere==0
&& (!pBest || pIdx->szIdxRow<pBest->szIdxRow)
){
pBest = pIdx;
}
}
}
if( pBest ){