## Summary **No review yet** ## Minimized query ```sql .timer on PRAGMA defer_foreign_keys = FALSE; BEGIN DEFERRED TRANSACTION; -- glob('[!0-9]', 'a') ATTACH DATABASE (':memory:' || '') AS aux25; -- sqlite_compileoption_used({v}) -- NOCASE CREATE VIRTUAL TABLE t0 USING /**/ fts4("x", "y", "z"); DROP TABLE t0; DETACH DATABASE aux25; END TRANSACTION; PRAGMA defer_foreign_keys = FALSE; BEGIN DEFERRED TRANSACTION; -- glob('[!0-9]', 'a') ATTACH DATABASE (':memory:' || '') AS aux25; -- sqlite_compileoption_used({v}) -- NOCASE CREATE VIRTUAL TABLE t0 USING /**/ fts4("x", "y", "z"); DROP TABLE t0; DETACH DATABASE aux25; END TRANSACTION; PRAGMA defer_foreign_keys = FALSE; BEGIN DEFERRED TRANSACTION; -- glob('[!0-9]', 'a') ATTACH DATABASE (':memory:' || '') AS aux25; -- sqlite_compileoption_used({v}) -- NOCASE CREATE VIRTUAL TABLE t0 USING /**/ fts4("x", "y", "z"); DROP TABLE t0; DETACH DATABASE aux25; END TRANSACTION; CREATE TABLE T1 ( a INTEGER, b TEXT ); CREATE TABLE T2 ( a INTEGER, b TEXT ); INSERT INTO T1 VALUES (-(-(1)),'a'),(2,'b'); INSERT INTO T2 VALUES (1,'c'),(1,'d'); SELECT T1.b, ( SELECT GROUP_CONCAT(b,',') FROM T2 WHERE T2.a=T1.a ) AS c FROM T1; SELECT * FROM T1 WHERE (a, a) IN (SELECT a, a FROM T1); ``` ## Actual output ```sql Run Time: real 0.000 user 0.000058 sys 0.000000 Run Time: real 0.000 user 0.000005 sys 0.000000 Run Time: real 0.000 user 0.000138 sys 0.000000 Run Time: real 0.001 user 0.000480 sys 0.000000 Run Time: real 0.000 user 0.000270 sys 0.000000 Run Time: real 0.000 user 0.000008 sys 0.000000 Run Time: real 0.000 user 0.000006 sys 0.000000 Run Time: real 0.000 user 0.000005 sys 0.000000 Run Time: real 0.000 user 0.000002 sys 0.000000 Run Time: real 0.000 user 0.000033 sys 0.000000 Run Time: real 0.000 user 0.000342 sys 0.000000 Run Time: real 0.001 user 0.000213 sys 0.000000 Run Time: real 0.000 user 0.000012 sys 0.000000 Run Time: real 0.000 user 0.000008 sys 0.000000 Run Time: real 0.000 user 0.000005 sys 0.000000 Run Time: real 0.000 user 0.000002 sys 0.000000 Run Time: real 0.000 user 0.000045 sys 0.000000 Run Time: real 0.001 user 0.000357 sys 0.000000 Run Time: real 0.000 user 0.000200 sys 0.000000 Run Time: real 0.000 user 0.000005 sys 0.000000 Run Time: real 0.000 user 0.000005 sys 0.000000 Run Time: real 0.000 user 0.000047 sys 0.000000 Run Time: real 0.000 user 0.000040 sys 0.000000 Run Time: real 0.000 user 0.000021 sys 0.000000 Run Time: real 0.000 user 0.000010 sys 0.000000 a|c,d b| Run Time: real 0.000 user 0.000046 sys 0.000000 1|a 2|b Run Time: real 0.000 user 0.000040 sys 0.000000 ``` ## Expectation ```sql Run Time: real 0.000027 user 0.000039 sys 0.000000 Run Time: real 0.000005 user 0.000005 sys 0.000000 Run Time: real 0.000094 user 0.000095 sys 0.000000 Run Time: real 0.000228 user 0.000228 sys 0.000000 Run Time: real 0.000144 user 0.000145 sys 0.000000 Run Time: real 0.000005 user 0.000004 sys 0.000000 Run Time: real 0.000003 user 0.000004 sys 0.000000 Run Time: real 0.000002 user 0.000002 sys 0.000000 Run Time: real 0.000001 user 0.000001 sys 0.000000 Run Time: real 0.000014 user 0.000015 sys 0.000000 Run Time: real 0.000129 user 0.000130 sys 0.000000 Run Time: real 0.000091 user 0.000091 sys 0.000000 Run Time: real 0.000003 user 0.000002 sys 0.000000 Run Time: real 0.000002 user 0.000002 sys 0.000000 Run Time: real 0.000001 user 0.000001 sys 0.000000 Run Time: real 0.000001 user 0.000001 sys 0.000000 Run Time: real 0.000010 user 0.000011 sys 0.000000 Run Time: real 0.000114 user 0.000114 sys 0.000000 Run Time: real 0.000073 user 0.000073 sys 0.000000 Run Time: real 0.000002 user 0.000002 sys 0.000000 Run Time: real 0.000002 user 0.000001 sys 0.000000 Run Time: real 0.000018 user 0.000018 sys 0.000000 Run Time: real 0.000014 user 0.000015 sys 0.000000 Run Time: real 0.000012 user 0.000012 sys 0.000000 Run Time: real 0.000004 user 0.000004 sys 0.000000 a|c,d b| Run Time: real 0.000027 user 0.000026 sys 0.000000 1|a 2|b Run Time: real 0.000025 user 0.000025 sys 0.000000 ``` ## Flag ``` ```