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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
+BEGIN TRANSACTION;
+ATTACH DATABASE ':memory:' AS aux72;
+BEGIN DEFERRED;
+CREATE TABLE t1(a);
+INSERT INTO t1 VALUES('abc'),('def'),('ghi');
+CREATE TABLE t2(a);
+INSERT INTO t2 VALUES('DEF'),('abc');
+CREATE TABLE t3(a);
+INSERT INTO t3 VALUES('def'),('jkl');
+SELECT a FROM t1 EXCEPT SELECT a FROM t2 ORDER BY a COLLATE nocase;
+SELECT a FROM t2 EXCEPT SELECT a FROM t3 ORDER BY a COLLATE nocase;
+SELECT a FROM t2 EXCEPT SELECT a FROM t3 ORDER BY a COLLATE binary;
+DELETE FROM t2;
+DELETE FROM t3;
+INSERT INTO t2 VALUES('ABC'),('def'),('GHI'),('jkl');
+INSERT INTO t3 SELECT lower(a) FROM t2; 
+SELECT a COLLATE nocase FROM t2 EXCEPT SELECT a FROM t3 ORDER BY 1
+
+CREATE TABLE t1(a);
+INSERT INTO t1 VALUES('abc'),('def'),('ghi');
+CREATE TABLE t2(a);
+INSERT INTO t2 VALUES('DEF'),('abc');
+CREATE TABLE t3(a);
+INSERT INTO t3 VALUES('def'),('jkl');
+SELECT a FROM t1 EXCEPT SELECT a FROM t2 ORDER BY a COLLATE nocase;
+SELECT a FROM t2 EXCEPT SELECT a FROM t3 ORDER BY a COLLATE nocase;
+SELECT a FROM t2 EXCEPT SELECT a FROM t3 ORDER BY a COLLATE binary;
+DELETE FROM t2;
+DELETE FROM t3;
+INSERT INTO t2 VALUES('ABC'),('def'),('GHI'),('jkl');
+INSERT INTO t3 SELECT lower(a) FROM t2; 
+SELECT a COLLATE nocase FROM t2 EXCEPT SELECT a FROM t3 ORDER BY 1
+
+CREATE TABLE t1(a);
+INSERT INTO t1 VALUES('abc'),('def'),('ghi');
+CREATE TABLE t2(a);
+INSERT INTO t2 VALUES('DEF'),('abc');
+CREATE TABLE t3(a);
+INSERT INTO t3 VALUES('def'),('jkl');
+SELECT a FROM t1 EXCEPT SELECT a FROM t2 ORDER BY a COLLATE nocase;
+SELECT a FROM t2 EXCEPT SELECT a FROM t3 ORDER BY a COLLATE nocase;
+SELECT a FROM t2 EXCEPT SELECT a FROM t3 ORDER BY a COLLATE binary;
+DELETE FROM t2;
+DELETE FROM t3;
+INSERT INTO t2 VALUES('ABC'),('def'),('GHI'),('jkl');
+INSERT INTO t3 SELECT lower(a) FROM t2; 
+SELECT a COLLATE nocase FROM t2 EXCEPT SELECT a FROM t3 ORDER BY 1
+
+CREATE TABLE t1(a);
+INSERT INTO t1 VALUES('abc'),('def'),('ghi');
+CREATE TABLE t2(a);
+INSERT INTO t2 VALUES('DEF'),('abc');
+CREATE TABLE t3(a);
+INSERT INTO t3 VALUES('def'),('jkl');
+SELECT a FROM t1 EXCEPT SELECT a FROM t2 ORDER BY a COLLATE nocase;
+SELECT a FROM t2 EXCEPT SELECT a FROM t3 ORDER BY a COLLATE nocase;
+SELECT a FROM t2 EXCEPT SELECT a	FROM t3 ORDER BY a COLLATE binary;
+DELETE FROM t2;
+DELETE FROM t3;
+INSERT INTO t2 VALUES('ABC'),('def'),('GHI'),('jkl');
+INSERT INTO t3 SELECT lower(a) FROM t2; 
+SELECT a COLLATE nocase FROM t2 EXCEPT SELECT a FROM t3 ORDER BY 1
+
+
+COMMIT;
+REINDEX t1;
+CREATE UNIQUE  INDEX IF NOT EXISTS idx_t3_1118 ON t3(a COLLATE NOCASE) WHERE a > 0;
+DROP INDEX IF EXISTS t2;
+SELECT LAST_VALUE(a) OVER (ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM t3;
+DETACH DATABASE aux72;
+ALTER TABLE t1 RENAME COLUMN a TO a_r9525;
+ROLLBACK;
+ALTER TABLE t3 RENAME COLUMN a TO a_r8773;
+PRAGMA defer_foreign_keys = TRUE;
+SELECT * FROM t2;
+PRAGMA wal_checkpoint('RESTART');
+INSERT INTO t1 VALUES (NULL);
+INSERT INTO t1 VALUES (NULL) ON CONFLICT(a) DO UPDATE SET a = excluded.a;
+```
+
+## 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
+
+```
+-vfs memdb
+```
+