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Query planner always honors the aConstraintUsage[].omit flag for the

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SQLITE_INDEX_CONSTRAINT_OFFSET constraint.

FossilOrigin-Name: 38c5151eb8cc789ad082a1b40d16b2ddb55454219bd685b6e420995af6a15f55
This commit is contained in:
drh
2022-01-27 21:18:14 +00:00
parent 233ba1b8eb
commit 8f2c0b59da
7 changed files with 54 additions and 23 deletions
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4
src/whereInt.h
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@@ -123,7 +123,8 @@ struct WhereLoop {
} btree;
struct { /* Information for virtual tables */
int idxNum; /* Index number */
u8 needFree; /* True if sqlite3_free(idxStr) is needed */
u8 needFree : 1; /* True if sqlite3_free(idxStr) is needed */
u8 bOmitOffset : 1; /* True to let virtual table handle offset */
i8 isOrdered; /* True if satisfies ORDER BY */
u16 omitMask; /* Terms that may be omitted */
char *idxStr; /* Index identifier string */
@@ -612,5 +613,6 @@ void sqlite3WhereTabFuncArgs(Parse*, SrcItem*, WhereClause*);
#define WHERE_TRANSCONS 0x00200000 /* Uses a transitive constraint */
#define WHERE_BLOOMFILTER 0x00400000 /* Consider using a Bloom-filter */
#define WHERE_SELFCULL 0x00800000 /* nOut reduced by extra WHERE terms */
#define WHERE_OMIT_OFFSET 0x01000000 /* Set offset counter to zero */
#endif /* !defined(SQLITE_WHEREINT_H) */