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ast-project/part1/results/1/bug_ea8a9d11-3484-403f-b120-ed26282389fa_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
BEGIN IMMEDIATE TRANSACTION;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (trunc(NULL), 'Wernher', x'bdc2a945bb40d1e33b7aae69ca', 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 encoding = 'UTF-16';
PRAGMA reverse_unordered_selects = 0;
PRAGMA checkpoint_fullsync = YES;
.dump ------------------------------------------------------------
CREATE TABLE T (
a INTEGER,
b TEXT,
c REAL
);
INSERT INTO T VALUES (1,'a',1.25), (2,'b',-3.5), (3,'c',0.0);
SELECT * FROM T WHERE c < 2.0 ORDER BY c;
ALTER TABLE T DROP COLUMN c;
UPDATE T SET a = CURRENT_TIMESTAMP WHERE rowid = 1;
INSERT INTO T VALUES (1, 'x', NULL) ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
ALTER TABLE T RENAME TO T_r8631;
DELETE FROM t1 WHERE rowid = 22 RETURNING *;
CREATE TRIGGER IF NOT EXISTS trg_t1_2446 BEFORE UPDATE ON t1 FOR EACH ROW BEGIN SELECT RAISE(ROLLBACK, 'rb'); END;
INSERT INTO T VALUES (NULL, 'x', 1) ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
REINDEX;
ALTER TABLE t1 RENAME TO t1_r8717;
REINDEX t1;
PRAGMA foreign_keys = TRUE;
DELETE FROM t1 WHERE c IS NULL;
ANALYZE;
REINDEX;
DELETE FROM T WHERE 0 RETURNING *;
SELECT COUNT(*) FILTER (WHERE d IS NOT NULL), SUM(rowid) FILTER (WHERE d > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(d) FILTER (WHERE d > 0 AND d < 100), COUNT(*) FILTER (WHERE typeof(d) = "text") FROM t1;
CREATE TRIGGER IF NOT EXISTS trg_T_5525 AFTER DELETE ON T FOR EACH ROW BEGIN SELECT RAISE(ROLLBACK, 'rb'); END;
COMMIT;
SELECT COUNT(*) FROM t1;
WITH RECURSIVE cnt(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM cnt WHERE x<43) SELECT MAX(x) FROM cnt;
INSERT INTO T DEFAULT VALUES;
CREATE TEMP VIEW IF NOT EXISTS v_t1_8062 AS SELECT d FROM t1;
```
## 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|½Â©E»@Ñã;z®|1
von|20|2
Braun|30
Wernher|½Â©E»@Ñã;z®
von|20
```
## Expectation
```sql
CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
Braun|30|3
Wernher|½Â©E»@Ñã;z®|1
von|20|2
Braun|30
Wernher|½Â©E»@Ñã;z®
von|20
```
## Flag
```
```