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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
+.log ON
+SAVEPOINT sp6089;
+ATTACH DATABASE ':memory:' AS aux56;
+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 ignore_check_constraints = 0;
+DETACH DATABASE aux56;
+INSERT INTO t1 SELECT * FROM t1;
+PRAGMA recursive_triggers = OFF;
+CREATE TRIGGER IF NOT EXISTS trg_t1_1212 AFTER UPDATE OF c ON t1 BEGIN SELECT RAISE(ROLLBACK, 'rb'); END;
+RELEASE sp6089;
+CREATE TRIGGER IF NOT EXISTS trg_t1_4991 BEFORE UPDATE OF a ON t1 FOR EACH ROW BEGIN SELECT RAISE(ABORT, 'abort'); END;
+INSERT INTO t1 VALUES (1, 'x', 'x', 'x') ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
+ALTER TABLE t1 ADD COLUMN extra_6256 CLOB DEFAULT '';
+WITH RECURSIVE cnt(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM cnt WHERE x<1) SELECT * FROM cnt;
+CREATE TABLE T1 (
+  A VARCHAR(20),
+  X VARCHAR(10),
+  PRIMARY KEY (A, X),
+  UNIQUE (X)
+);
+CREATE TABLE T2 (
+  A VARCHAR(20),
+  Y VARCHAR(10) UNIQUE,
+  PRIMARY KEY (A, Y)
+);
+INSERT INTO T1 VALUES ('a', 'm');
+INSERT INTO T1 VALUES ('b', 'n');
+INSERT INTO T2 VALUES ('b', 'k');
+SELECT A FROM T1 UNION ALL SELECT A FROM T2 ORDER BY A;
+SELECT * FROM t1 NATURAL JOIN t1;
+ALTER TABLE t1 RENAME COLUMN d TO d_r9145;
+INSERT OR FAIL INTO t1 VALUES ('x', 'x', '', -7);
+INSERT INTO t1 VALUES (NULL, NULL, NULL, NULL);
+UPDATE t1 SET d = d + 1 RETURNING *;
+WITH RECURSIVE fib(a,b) AS (VALUES(1,1) UNION ALL SELECT b, a+b FROM fib WHERE b<1000) SELECT a FROM fib;
+SELECT COUNT(*) FILTER (WHERE b IS NOT NULL), SUM(rowid) FILTER (WHERE b > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(b) FILTER (WHERE b > 0 AND b < 100), COUNT(*) FILTER (WHERE typeof(b) = "text") 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|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
+
+```
+
+```
+