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ast-project/part1/results/3/bug_3cbc1274-04ef-4b88-94c0-4382707ffd99_logic.md
2026-06-24 13:47:14 +02:00

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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 case_sensitive_like = TRUE;
.filectrl main TRUNCATE 10
BEGIN IMMEDIATE;
ATTACH DATABASE ':memory:' AS aux95;
ATTACH DATABASE ':memory:' AS aux6;
CREATE TABLE main.t1(a DATE PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (CAST('&' AS NONE), 'Wernher', -ln(-10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000), 100);
INSERT INTO t1 VALUES (2, 'von', 20, 200);
INSERT INTO t1 VALUES (3, 'Braun', 30, 300);
CREATE INDEX t1bc ON t1(b, c);
PRAGMA writable_schema = ON;
.imposter t1bc t2
SELECT * FROM t2;
SELECT b, c FROM t1 ORDER BY b, c;
.quit
DETACH DATABASE aux6;
ALTER TABLE t1 ADD COLUMN extra_3885 FLOAT COLLATE RTRIM;
INSERT INTO t1 VALUES (NULL, NULL, NULL, NULL);
PRAGMA full_column_names = NO;
ATTACH DATABASE ':memory:' AS aux6;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
INSERT INTO t1 VALUES (2, 'von', 20, 200);
INSERT INTO t1 VALUES (3, 'Braun', 30, 300);
CREATE INDEX t1bc ON t1(b, c);
PRAGMA writable_schema = ON;
.imposter t1bc t2
SELECT * FROM t2;
SELECT b, c FROM t1 ORDER BY b, c;
.quit
DETACH DATABASE aux6;
ALTER TABLE t1 ADD COLUMN extra_3885 FLOAT COLLATE RTRIM;
INSERT INTO t1 VALUES (NULL, NULL, NULL, NULL);
PRAGMA full_column_names = NO;
WITH cte(x) AS (VALUES(NULL),(1),(NULL)) SELECT * FROM cte WHERE x IS NOT NULL;
SELECT NTH_VALUE(a, 1) OVER (PARTITION BY a ORDER BY a) FROM t1;
SELECT AVG(b) OVER (PARTITION BY b ORDER BY b GROUPS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FROM t1;
CREATE UNIQUE INDEX IF NOT EXISTS idx_t1_7205 ON t1((a + 1));
INSERT INTO t1 DEFAULT VALUES;
DETACH DATABASE aux95;
DELETE FROM t1 WHERE 1 RETURNING *;
SELECT COUNT(*) FROM t1;
VACUUM;
REINDEX t1;
ROLLBACK;
SELECT * FROM t1 WHERE b <> ALL (SELECT b FROM t1);
INSERT OR ABORT INTO t1 VALUES (-3, -9, 'x', 'x');
SELECT * FROM t1;
REINDEX;
DROP TRIGGER IF EXISTS t1;
ALTER TABLE t1 DROP COLUMN b;
ALTER TABLE t1 ADD COLUMN extra_5447 NCHAR(55) UNIQUE;
SELECT STRING_AGG(c) FROM t1;
SELECT MAX(d) FROM t1;
ALTER TABLE t1 RENAME COLUMN a TO a_r5605;
```
## Actual output
```sql
CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
WARNING: writing to an imposter table will corrupt the "t1bc" index!
Braun|30|3
Wernher||1
von|20|2
Braun|30
Wernher|
von|20
```
## Expectation
```sql
CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
Braun|30|3
Wernher||1
von|20|2
Braun|30
Wernher|
von|20
```
## Flag
```
```