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Walk back the optimization from check-in [cc458317bd77046c] that tries to

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reuse the same ephemeral cursor of a list subquery when that subquery is
reused, as it does not work in cases where the list subquery is used both
for lookups and for scans.

FossilOrigin-Name: 12ee29d632ae4b585ef6bc07d3289d00c121268945dffd5673b251d95874e3f8
This commit is contained in:
drh
2022-05-13 19:50:29 +00:00
parent 767bc8de8e
commit f69dad8c53
6 changed files with 23 additions and 18 deletions
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src/sqliteInt.h
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@@ -5322,7 +5322,6 @@ const char *sqlite3JournalModename(int);
#define IN_INDEX_NOOP_OK 0x0001 /* OK to return IN_INDEX_NOOP */
#define IN_INDEX_MEMBERSHIP 0x0002 /* IN operator used for membership test */
#define IN_INDEX_LOOP 0x0004 /* IN operator used as a loop */
#define IN_INDEX_REUSE_CUR 0x0008 /* Reuse prior table cursor */
int sqlite3FindInIndex(Parse *, Expr *, u32, int*, int*, int*);
int sqlite3JournalOpen(sqlite3_vfs *, const char *, sqlite3_file *, int, int);