Files
ast-project/part1/results/2/bug_0791ea7d-2338-4596-b245-a3cc5dd0e9bf_logic.md
T
2026-06-24 13:47:14 +02:00

62 lines
1.3 KiB
Markdown

## 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
.tables non_existent_table
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
INSERT INTO t1 VALUES (NULL, 'x', 1, NULL) ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
UPDATE t1 SET c = '' WHERE c IS NOT NULL RETURNING *;
SELECT COUNT(*) FROM t1;
SELECT c, COUNT(*) FROM t1 GROUP BY c HAVING COUNT(*) > (SELECT COUNT(*) FROM t1 LIMIT 1);
```
## 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 10 1
von 20 2
Braun 30
Wernher 10
von 20
```
## Expectation
```sql
CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
Braun 30 3
Wernher 10 1
von 20 2
Braun 30
Wernher 10
von 20
```
## Flag
```
-column
```