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ast-project/part1/results/2/bug_3c31f8dd-dd06-4358-a235-5556a89e0197_logic.md
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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
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
PRAGMA short_column_names = OFF;
PRAGMA vdbe_debug = TRUE;
PRAGMA vdbe_addoptrace = NO;
.fullschema --indent 5
CREATE TABLE t1(a);
CREATE INDEX i1 ON t1(a);
INSERT INTO t1 VALUES(1);
INSERT INTO t1 VALUES(2);
INSERT INTO t1 VALUES(3);
DROP INDEX i1;
SELECT 2 IN (SELECT a FROM t1);
CREATE UNIQUE INDEX IF NOT EXISTS idx_t1_5745 ON t1((a + 1)) WHERE a > 0;
ANALYZE;
SELECT * FROM t1 WHERE a IN (SELECT a FROM t1 WHERE a GLOB "*");
ALTER TABLE t1 DROP COLUMN a;
CREATE TEMP VIEW IF NOT EXISTS v_t1_9333 AS SELECT a FROM t1;
SELECT * FROM t1 AS a JOIN t1 AS b ON a.rowid = b.rowid;
PRAGMA defer_foreign_keys = OFF;
```
## 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
```
```