## Summary **No review yet** ## Minimized query ```sql ATTACH DATABASE ':memory:' AS aux65; CREATE TABLE T ( a INTEGER, b TEXT, c INTEGER ); INSERT INTO T VALUES (NULL,'a',NULL), (2,'b',1), (3,'c',2); WITH RECURSIVE d(a,b,c,e) AS ( SELECT *,1 FROM T WHERE c IS NULL UNION ALL SELECT T.a,T.b,T.c,d.e+1 FROM T JOIN d ON T.c=d.a ) SELECT * FROM d; .timer on CREATE TABLE T1 ( A VARCHAR(-1445937777629738465), X VARCHAR(10), PRIMARY KEY (A, X), UNIQUE (X) ); CREATE TABLE T2 ( A VARCHAR(20), Y VARCHAR(10) UNIQUE, PRIMARY KEY (A, Y) ); INSERT INTO T1 VALUES ('a', 'm'); INSERT INTO T1 VALUES ('b', 'n'); INSERT INTO T2 VALUES ('b', 'k'); SELECT A FROM T1 UNION ALL SELECT A FROM T2 ORDER BY A; SELECT * FROM T1 WHERE X < (SELECT MIN(X) FROM T1); DETACH DATABASE aux65; SELECT * FROM T2; ``` ## Actual output ```sql |a||1 Run Time: real 0.000 user 0.000144 sys 0.000000 Run Time: real 0.000 user 0.000082 sys 0.000000 Run Time: real 0.000 user 0.000021 sys 0.000000 Run Time: real 0.000 user 0.000014 sys 0.000000 Run Time: real 0.000 user 0.000013 sys 0.000000 a b b Run Time: real 0.000 user 0.000036 sys 0.000000 Run Time: real 0.000 user 0.000044 sys 0.000000 Run Time: real 0.000 user 0.000008 sys 0.000000 b|k Run Time: real 0.000 user 0.000010 sys 0.000000 ``` ## Expectation ```sql |a||1 Run Time: real 0.000056 user 0.000064 sys 0.000000 Run Time: real 0.000032 user 0.000033 sys 0.000000 Run Time: real 0.000011 user 0.000011 sys 0.000000 Run Time: real 0.000006 user 0.000006 sys 0.000000 Run Time: real 0.000005 user 0.000005 sys 0.000000 a b b Run Time: real 0.000016 user 0.000017 sys 0.000000 Run Time: real 0.000021 user 0.000022 sys 0.000000 Run Time: real 0.000005 user 0.000004 sys 0.000000 b|k Run Time: real 0.000004 user 0.000005 sys 0.000000 ``` ## Flag ``` ```