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authordrh <drh@noemail.net>2019-11-04 12:49:15 +0000
committerdrh <drh@noemail.net>2019-11-04 12:49:15 +0000
commit06fc24555fd7fc826c68de4b85f2326ada87ea90 (patch)
tree4faad1a57ddba88f1e3ed2b84c168653a9159585 /src/wherecode.c
parent6c68d7592faa8cc59d5f81f3ba4d506ea4db71ca (diff)
downloadsqlite-06fc24555fd7fc826c68de4b85f2326ada87ea90.tar.gz
sqlite-06fc24555fd7fc826c68de4b85f2326ada87ea90.zip
Changes an unreachable testcase() into an assert().
FossilOrigin-Name: 5710845b6314f924b490434b4446169f4bb50576aaa940472af68150db16e127
Diffstat (limited to 'src/wherecode.c')
-rw-r--r--src/wherecode.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/wherecode.c b/src/wherecode.c
index 7447fafb5..b9801407b 100644
--- a/src/wherecode.c
+++ b/src/wherecode.c
@@ -1903,8 +1903,11 @@ Bitmask sqlite3WhereCodeOneLoopStart(
whereApplyPartialIndexConstraints(pIdx->pPartIdxWhere, iCur, pWC);
}
}else{
- testcase( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0 );
testcase( pIdx->pPartIdxWhere );
+ /* The following assert() is not a requirement, merely an observation:
+ ** The OR-optimization doesn't work for the right hand table of
+ ** a LEFT JOIN: */
+ assert( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0 );
}
/* Record the instruction used to terminate the loop. */