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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
+ATTACH DATABASE ':memory:' AS aux77;
+-- max(1, 2, 3, 4, 5)
+
+.headers on
+PRAGMA automatic_index = NO;
+PRAGMA automatic_index = YES;
+CREATE TABLE T (
+  a TEXT,
+  b REAL
+);
+INSERT INTO T VALUES ('a',load_extension(NULL)), ('b',-jsonb_extract(200.5, '$')), ('c',9e999);
+SELECT a,b,
+LEAD(b,1) OVER (ORDER BY b DESC) AS c,
+NTILE(2) OVER (ORDER BY b DESC) AS d FROM T;
+PRAGMA checkpoint_fullsync = FALSE;
+BEGIN EXCLUSIVE TRANSACTION;
+ATTACH DATABASE ':memory:' AS aux85;
+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
+UPDATE t1 SET d = 'x' WHERE d IS NOT NULL;
+CREATE TRIGGER IF NOT EXISTS trg_t1_5828 AFTER UPDATE OF d ON t1 BEGIN SELECT RAISE(FAIL, 'no'); END;
+SELECT TOTAL(a) FROM t1;
+PRAGMA mmap_size = 50000000;
+DETACH DATABASE aux85;
+SELECT * FROM t1 WHERE c > (SELECT AVG(c) FROM t1);
+COMMIT TRANSACTION;
+ALTER TABLE t1 RENAME TO t1_r4016;
+INSERT INTO t1 DEFAULT VALUES;
+PRAGMA checkpoint_fullsync = FALSE;
+BEGIN EXCLUSIVE TRANSACTION;
+ATTACH DATABASE ':memory:' AS aux85;
+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
+UPDATE t1 SET d = 'x' WHERE d IS NOT NULL;
+CREATE TRIGGER IF NOT EXISTS trg_t1_5828 AFTER UPDATE OF d /* .dump main */ ON t1 BEGIN SELECT RAISE(FAIL, 'no'); END;
+SELECT TOTAL(a) FROM t1;
+PRAGMA mmap_size = 50000000;
+DETACH DATABASE aux85;
+SELECT * FROM t1 WHERE c > (SELECT AVG(c) FROM t1);
+COMMIT TRANSACTION;
+ALTER TABLE t1 RENAME TO t1_r4016;
+INSERT INTO t1 DEFAULT VALUES;
+PRAGMA checkpoint_fullsync = FALSE;
+BEGIN EXCLUSIVE TRANSACTION;
+ATTACH DATABASE ':memory:' AS aux85;
+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
+UPDATE t1 SET d = 'x' WHERE d IS NOT NULL;
+CREATE TRIGGER IF NOT EXISTS trg_t1_5828 AFTER UPDATE OF d ON t1 BEGIN SELECT RAISE(FAIL, 'no'); END;
+SELECT TOTAL(a) FROM t1;
+PRAGMA mmap_size = 50000000;
+DETACH DATABASE aux85;
+SELECT * FROM t1 WHERE c > (SELECT AVG(c) FROM t1);
+COMMIT TRANSACTION;
+ALTER TABLE t1 RENAME TO t1_r4016;
+INSERT INTO t1 DEFAULT VALUES;
+PRAGMA checkpoint_fullsync = FALSE;
+BEGIN EXCLUSIVE TRANSACTION;
+ATTACH DATABASE ':memory:' AS aux85;
+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
+UPDATE t1 SET d = 'x' WHERE d IS NOT NULL;
+CREATE TRIGGER IF NOT EXISTS trg_t1_5828 AFTER UPDATE OF d ON t1 BEGIN /**/ SELECT RAISE(FAIL, 'no'); END;
+SELECT TOTAL(a) FROM t1;
+PRAGMA mmap_size = 50000000;
+DETACH DATABASE aux85;
+SELECT * FROM t1 WHERE c > (SELECT AVG(c) FROM t1);
+COMMIT TRANSACTION;
+ALTER TABLE t1 RENAME TO t1_r4016;
+INSERT INTO t1 DEFAULT VALUES;
+
+ALTER TABLE t1 RENAME TO t1_r1422;
+
+SELECT COUNT(*) FROM T;
+
+SELECT COUNT(*) FROM t1;
+INSERT OR REPLACE INTO t1 VALUES (0, '', '', NULL);
+SELECT * FROM T;
+SELECT AVG(a) OVER (PARTITION BY a ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW EXCLUDE TIES) FROM T;
+SELECT * FROM T AS a FULL JOIN T AS b ON a.rowid = b.rowid;
+SELECT MAX(a) FROM T;
+CREATE TRIGGER IF NOT EXISTS trg_T_9386 AFTER UPDATE OF b ON T BEGIN INSERT INTO T(b) VALUES (NULL); END;
+INSERT INTO t1 VALUES (NULL, NULL, 1, 'x') ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
+INSERT INTO T DEFAULT VALUES;
+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 T;
+DETACH DATABASE aux77;
+DELETE FROM T WHERE rowid = 8 RETURNING *;
+CREATE  INDEX IF NOT EXISTS idx_t1_6079 ON t1(a COLLATE NOCASE) WHERE a IS NOT NULL;
+REINDEX t1;
+ALTER TABLE T ADD COLUMN extra_3272 REAL;
+ANALYZE;
+```
+
+## 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!
+b|c|_ROWID_
+Braun|30|3
+Wernher|10|1
+von|20|2
+b|c
+Braun|30
+Wernher|10
+von|20
+```
+
+## Expectation
+
+```sql
+
+```
+
+## Flag
+
+```
+
+```
+