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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
+CREATE TABLE T (
+  a INTEGER,
+  b TEXT,
+  c INTEGER
+);
+INSERT INTO T VALUES (1,'a',NULL), (2,'b',1), (3,'c',2);
+WITH RECURSIVE d(a,b,c,e) AS (
+  SELECT *,1 FROM T WHERE c IS NULL
+  UNION ALL
+  SELECT T.a,T.b,T.c,d.e+1
+  FROM T JOIN d ON T.c=d.a
+)
+SELECT * FROM d;
+PRAGMA query_only;
+ATTACH DATABASE ((':memory:' || '') || '') AS aux80;
+.scanstats on
+PRAGMA page_count;
+SAVEPOINT sp1489;
+PRAGMA parser_trace = FALSE;
+PRAGMA wal_checkpoint('TRUNCATE');
+PRAGMA cell_size_check = ON;
+.eqp auto
+CREATE TABLE t1(x INTEGER PRIMARY KEY, y, z);
+CREATE TABLE t2(a, b);
+CREATE VIEW agg2 AS SELECT a, sum(b) AS m FROM t2 GROUP BY a;
+SELECT t1.z, agg2.m FROM t1 JOIN agg2 ON t1.y=agg2.m WHERE t1.x IN (date(nan, 'start of month'),hex(12345678),3);
+CREATE TABLE t920(x);
+INSERT INTO t920 VALUES(3),(4),(5);
+SELECT * FROM t920,(SELECT 0 FROM t920),(VALUES(9)) WHERE 5 IN (x);
+INSERT INTO t1 VALUES (NULL, NULL, NULL);
+UPDATE t1 SET y = json_object('k', y) WHERE rowid = 1;
+CREATE TABLE T (
+  A VARCHAR(10) PRIMARY KEY,
+  B VARCHAR(15) NOT NULL,
+  C DOUBLE PRECISION
+);
+INSERT INTO T VALUES ('a', 'p', -1.7976931348623157e+308);
+INSERT INTO T VALUES ('b', 'q', -0.000000001);
+INSERT INTO T VALUES ('c', 'r', 0.0);
+INSERT INTO T VALUES ('d', 's', 3.14159265358979);
+INSERT INTO T VALUES ('e', 't', 1.7976931348623157e+308);
+INSERT INTO T VALUES ('f', 't', 750.25);
+SELECT B, AVG(C) AS D, MIN(C) AS E, MAX(C) /* NTILE(4) */ AS F FROM T GROUP BY B;
+RELEASE sp1489;
+INSERT INTO t2 SELECT * FROM t2;
+SELECT MAX(b) FROM t2;
+SELECT * FROM t1 AS a INNER JOIN t2 AS b ON a.rowid = b.rowid;
+SELECT * FROM t2 AS a LEFT JOIN t2 AS b ON a.rowid = b.rowid;
+SELECT C, (SELECT MAX(C) FROM T) AS max_val FROM T;
+SELECT * FROM t2 WHERE a IN (SELECT a FROM t2 t2 WHERE t2.a = t2.a);
+WITH cte AS (SELECT * FROM t2 WHERE a = (SELECT MAX(a) FROM t2)) SELECT * FROM cte;
+
+ALTER TABLE T RENAME TO T_r974;
+CREATE TEMP  VIEW IF NOT EXISTS v_T_9533 AS SELECT B FROM T;
+DETACH DATABASE aux80;
+INSERT INTO t920 VALUES (NULL);
+ANALYZE t2;
+UPDATE t1 SET x = x + 1 WHERE x BETWEEN 0 AND 100;
+ANALYZE;
+CREATE TRIGGER IF NOT EXISTS trg_T_7612 AFTER DELETE ON T FOR EACH ROW BEGIN SELECT RAISE(FAIL, 'no'); END;
+UPDATE T SET C = json_object('k', C);
+SELECT LAG(B, 2, B) OVER (ORDER BY B ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING EXCLUDE GROUP) FROM T;
+SELECT MIN(y) FROM t1;
+ALTER TABLE t920 RENAME TO t920_r731;
+SELECT SUM(b) FROM t2;
+SELECT NTILE(1) OVER (ORDER BY B ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW EXCLUDE TIES) FROM T;
+VACUUM;
+INSERT OR FAIL INTO t920 VALUES (-4);
+SELECT TOTAL(b) FROM t2;
+```
+
+## 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
+
+```
+
+```
+