2.0 KiB
2.0 KiB
Summary
**No review yet**Minimized query
ATTACH DATABASE ':memory:' AS aux92;
PRAGMA read_uncommitted;
PRAGMA empty_result_callbacks = NO;
PRAGMA vdbe_listing = FALSE;
.timer on
CREATE TABLE q(s string, id string, constraint pk_q primary key(id));
BEGIN;
INSERT INTO q(s,id) VALUES('hello','id.1');
INSERT INTO q(s,id) VALUES('goodbye','id.2');
INSERT INTO q(s,id) VALUES('again','id.3');
END;
SELECT * FROM q;
DELETE FROM q WHERE rowid > 1;
SELECT LEAD(id, 0, 'default') OVER (ORDER BY id RANGE BETWEEN 1 PRECEDING AND 1 FOLLOWING) FROM q;
DETACH DATABASE aux92;
INSERT OR FAIL INTO q VALUES (NULL, NULL);
Actual output
0
Run Time: real 0.000 user 0.000126 sys 0.000000
Run Time: real 0.000 user 0.000003 sys 0.000000
Run Time: real 0.000 user 0.000019 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 0.000003 sys 0.000000
hello|id.1
goodbye|id.2
again|id.3
Run Time: real 0.000 user 0.000012 sys 0.000000
Run Time: real 0.000 user 0.000020 sys 0.000000
id.1
Run Time: real 0.001 user 0.000089 sys 0.000000
Run Time: real 0.000 user 0.000006 sys 0.000000
Run Time: real 0.000 user 0.000013 sys 0.000000
Expectation
0
Run Time: real 0.000072 user 0.000085 sys 0.000000
Run Time: real 0.000002 user 0.000002 sys 0.000000
Run Time: real 0.000015 user 0.000015 sys 0.000000
Run Time: real 0.000004 user 0.000004 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
hello|id.1
goodbye|id.2
again|id.3
Run Time: real 0.000006 user 0.000006 sys 0.000000
Run Time: real 0.000015 user 0.000014 sys 0.000000
id.1
Run Time: real 0.000080 user 0.000081 sys 0.000000
Run Time: real 0.000004 user 0.000003 sys 0.000000
Run Time: real 0.000061 user 0.000062 sys 0.000000
Flag