database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-08 14:02:16 +03:00
Code Activity

The query planner tries to avoids using indexes that use unknown collating

Browse Source 
functions.

FossilOrigin-Name: 02013fc120bf71a8be3550c696a588af8c92f2209f8e5db530624878ddc8aa7e
This commit is contained in:
drh
2017-12-08 19:37:04 +00:00
parent 21540ae479
commit 7e8515d8be
8 changed files with 41 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/sqliteInt.h
View File

@@ -2172,6 +2172,7 @@ struct Index {
unsigned isCovering:1; /* True if this is a covering index */
unsigned noSkipScan:1; /* Do not try to use skip-scan if true */
unsigned hasStat1:1; /* aiRowLogEst values come from sqlite_stat1 */
unsigned bNoQuery:1; /* Do not use this index to optimize queries */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
int nSample; /* Number of elements in aSample[] */
int nSampleCol; /* Size of IndexSample.anEq[] and so on */
@@ -2984,7 +2985,7 @@ struct Parse {
int nMem; /* Number of memory cells used so far */
int nOpAlloc; /* Number of slots allocated for Vdbe.aOp[] */
int szOpAlloc; /* Bytes of memory space allocated for Vdbe.aOp[] */
int iSelfTab; /* Table for associated with an index on expr, or negative
int iSelfTab; /* Table associated with an index on expr, or negative
** of the base register during check-constraint eval */
int iCacheLevel; /* ColCache valid when aColCache[].iLevel<=iCacheLevel */
int iCacheCnt; /* Counter used to generate aColCache[].lru values */