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[Quy Anh] «Elliot» Nguyen
2026-06-24 13:47:14 +02:00
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part1/results/3/bug_c6779510-221f-4b0e-a0cf-80f16d0660e2_logic.md
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## Summary
<!--Explain briefly what goes wrong and explain why you believe this is a bug and not the intended behavior of SQLite (if it is not a crash).-->**No review yet**
## Minimized query
```sql
PRAGMA cell_size_check = 0;
PRAGMA auto_vacuum = 2;
.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);
ALTER TABLE T2 DROP COLUMN b;
UPDATE T1 SET b = json_object('k', b) WHERE b IS NOT NULL;
```
## Actual output
```sql
Run Time: real 0.000 user 0.000019 sys 0.000000
Run Time: real 0.000 user 0.000004 sys 0.000000
Run Time: real 0.000 user 0.000054 sys 0.000000
Run Time: real 0.000 user 0.000487 sys 0.000000
Run Time: real 0.000 user 0.000345 sys 0.000000
Run Time: real 0.000 user 0.000007 sys 0.000000
Run Time: real 0.000 user 0.000005 sys 0.000000
Run Time: real 0.000 user 0.000004 sys 0.000000
Run Time: real 0.000 user 0.000002 sys 0.000000
Run Time: real 0.001 user 0.000036 sys 0.000000
Run Time: real 0.000 user 0.000369 sys 0.000000
Run Time: real 0.000 user 0.000241 sys 0.000000
Run Time: real 0.000 user 0.000006 sys 0.000000
Run Time: real 0.000 user 0.000004 sys 0.000000
Run Time: real 0.000 user 0.000003 sys 0.000000
Run Time: real 0.000 user 0.000002 sys 0.000000
Run Time: real 0.000 user 0.000030 sys 0.000000
Run Time: real 0.001 user 0.000346 sys 0.000000
Run Time: real 0.000 user 0.000211 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 0.000050 sys 0.000000
Run Time: real 0.000 user 0.000043 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 0.000050 sys 0.000000
1|a
2|b
Run Time: real 0.000 user 0.000041 sys 0.000000
Run Time: real 0.001 user 0.000496 sys 0.000000
Run Time: real 0.000 user 0.000026 sys 0.000000
```
## Expectation
```sql
Run Time: real 0.000002 user 0.000010 sys 0.000000
Run Time: real 0.000002 user 0.000002 sys 0.000000
Run Time: real 0.000025 user 0.000025 sys 0.000000
Run Time: real 0.000284 user 0.000283 sys 0.000000
Run Time: real 0.000203 user 0.000204 sys 0.000000
Run Time: real 0.000005 user 0.000005 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 0.000002 sys 0.000000
Run Time: real 0.000018 user 0.000018 sys 0.000000
Run Time: real 0.000175 user 0.000176 sys 0.000000
Run Time: real 0.000125 user 0.000126 sys 0.000000
Run Time: real 0.000003 user 0.000003 sys 0.000000
Run Time: real 0.000002 user 0.000003 sys 0.000000
Run Time: real 0.000001 user 0.000002 sys 0.000000
Run Time: real 0.000001 user 0.000001 sys 0.000000
Run Time: real 0.000013 user 0.000014 sys 0.000000
Run Time: real 0.000154 user 0.000155 sys 0.000000
Run Time: real 0.000102 user 0.000102 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 0.000025 user 0.000026 sys 0.000000
Run Time: real 0.000021 user 0.000021 sys 0.000000
Run Time: real 0.000013 user 0.000014 sys 0.000000
Run Time: real 0.000006 user 0.000005 sys 0.000000
a|c,d
b|
Run Time: real 0.000029 user 0.000030 sys 0.000000
1|a
2|b
Run Time: real 0.000029 user 0.000030 sys 0.000000
Run Time: real 0.000257 user 0.000257 sys 0.000000
Run Time: real 0.000022 user 0.000023 sys 0.000000
```
## Flag
```
```