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authordrh <drh@noemail.net>2017-12-08 19:37:04 +0000
committerdrh <drh@noemail.net>2017-12-08 19:37:04 +0000
commit7e8515d8bec405f8d17a91a94c9d0d690b0a9ff5 (patch)
tree6fb4068009e6287fcf4b12885188b67d301712ab /src/sqliteInt.h
parent21540ae47984b44a70dbc653e2edca27c3ee4735 (diff)
downloadsqlite-7e8515d8bec405f8d17a91a94c9d0d690b0a9ff5.tar.gz
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The query planner tries to avoids using indexes that use unknown collating
functions. FossilOrigin-Name: 02013fc120bf71a8be3550c696a588af8c92f2209f8e5db530624878ddc8aa7e
Diffstat (limited to 'src/sqliteInt.h')
-rw-r--r--src/sqliteInt.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 27b896d67..47d9fc695 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -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 */