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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 SMALLINT PRIMARY KEY, b TEXT, c INT, d INT);
+INSERT INTO t1 VALUES ('_', 'Wernher', timediff(sinh((';' * quote(NULL))), -2147483648), 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 foreign_keys = NO;
+creATE VIRTUAL TABLE t0 USING fts3("x", "y", "z");
+DROP TABLE t0;
+PRAGMA writable_schema = -2147483648;
+PRAGMA reverse_unordered_selects	= YES;
+PRAGMA vdbe_trace = YES;
+.eqp auto
+BEGIN TRANSACTION;
+CREATE TABLE main.t1(a, b, c);
+INSERT INTO "t1" VALUES(1,'one','I');
+CREATE TABLE t2(d, e, f);
+INSERT INTO "t2" VALUES(5,'ten','XX');
+INSERT INTO "t2" VALUES(6,NULL,NULL);
+CREATE INDEX i1 ON t1(b, a);
+COMMIT;
+
+INSERT AND FAIL INTO t2 VALUES (0, -6, 'x');
+SELECT SUM(c) FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+CREATE UNIQUE  INDEX IF NOT EXISTS idx_t2_3495 ON t2((e + 1)) WHERE NOT +e > 0;
+
+SELECT COUNT(*) FROM t2;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t2 DEFAULT VALUES;
+CREATE TABLE /* .archive */ T (
+  a INTEGER,
+  b REAL
+);
+INSERT INTO T VALUES (1,1.5), (2,-7.25), (3,0.0);
+SELECT a,b FROM T WHERE a >= 2 ORDER BY b;
+ALTER TABLE t2 RENAME COLUMN e TO e_r5138;
+SELECT SUM(c) FROM t1;
+INSERT INTO t2 VALUES (NULL, 1, NULL) ON CONFLICT(d) DO UPDATE SET d = excluded.d, e = excluded.e, f = excluded.f;
+DELETE FROM t1 WHERE 1 RETURNING *;
+SELECT FIRST_VALUE(e) OVER (ORDER BY e ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW EXCLUDE TIES) FROM t2;
+CREATE TRIGGER IF NOT EXISTS trg_t2_3447 AFTER UPDATE ON t2 FOR EACH ROW BEGIN SELECT RAISE(ROLLBACK, 'rb'); END;
+VACUUM main;
+INSERT INTO t1 SELECT * FROM t1;
+REINDEX t2;
+ANALYZE;
+SELECT LAG(a) OVER (ORDER BY a ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING EXCLUDE GROUP) FROM t1;
+SELECT * FROM t2;
+CREATE TABLE T (
+  a TEXT,
+  b INTEGER,
+  c REAL
+);
+INSERT INTO T VALUES ('a',1,2.0), ('a',2,-3.0), ('b',1,4.5);
+SELECT a,b,c,
+SUM(c) OVER (
+  PARTITION BY a
+  ORDER BY b
+) AS d
+FROM T;
+ALTER TABLE T DROP COLUMN a;
+INSERT INTO t2 VALUES (NULL, NULL, NULL);
+INSERT INTO T SELECT * FROM T;
+```
+
+## 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|2
+von|20|1
+Braun|30
+von|20
+```
+
+## Expectation
+
+```sql
+
+```
+
+## Flag
+
+```
+
+```
+