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When applying the optimization that disables WHERE clause terms that drive

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indexes, make sure not to do so if the term being disabled is a transitive
constraint.  Fix for the problem identified by
[forum:forumpost/eb8613976a|forum post eb8613976a].

FossilOrigin-Name: f1f9b5de3c59489b94963685660b3ddc45eece5535b02fec399b6ece0e38563d
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drh
2021-05-04 23:21:35 +00:00
parent 23634898c5
commit 67656ac78a
6 changed files with 55 additions and 11 deletions
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src/whereInt.h
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@@ -603,5 +603,6 @@ void sqlite3WhereTabFuncArgs(Parse*, SrcItem*, WhereClause*);
#define WHERE_IN_EARLYOUT 0x00040000 /* Perhaps quit IN loops early */
#define WHERE_BIGNULL_SORT 0x00080000 /* Column nEq of index is BIGNULL */
#define WHERE_IN_SEEKSCAN 0x00100000 /* Seek-scan optimization for IN */
#define WHERE_TRANSCONS 0x00200000 /* Uses a transitive constraint */
#endif /* !defined(SQLITE_WHEREINT_H) */