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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 T (
+  a TEXT,
+  b TEXT,
+  c REAL
+);
+INSERT INTO T VALUES ('a','b',1.5), ('a','c',-2.25), ('b','b',4.75);
+SELECT a,
+SUM(CASE WHEN b='b' THEN c ELSE 0 END) AS d,
+SUM(CASE WHEN b='c' THEN c ELSE 0 END) AS e
+FROM T
+GROUP BY a;
+.print
+BEGIN EXCLUSIVE TRANSACTION;
+PRAGMA read_uncommitted = OFF;
+PRAGMA checkpoint_fullsync = YES;
+SAVEPOINT sp1480;
+CREATE TABLE t1(a ANY PRIMARY KEY, b TEXT, c INT, d INT);
+INSERT INTO t1 VALUES (min(instr('' || ('hello'), ''), NULL), 'Wernher', -asin(sin('''''')), (abs(NULL) + 0));
+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 VARCHAR(10) PRIMARY KEY,
+  B VARCHAR(15) NOT NULL,
+  C INTEGER,
+  UNIQUE (B, C)
+);
+INSERT INTO T VALUES ('a', 'p', -2147483648);
+INSERT INTO T VALUES ('b', 'q', 700);
+INSERT INTO T VALUES ('c', 'r', 0);
+INSERT INTO T VALUES ('d', 's', 2147483647);
+INSERT INTO T VALUES ('e', 't', -1);
+INSERT INTO T VALUES ('f', 'u', 1);
+SELECT * FROM T WHERE NOT C BETWEEN -1000 AND 1000 ORDER BY C ASC;
+SELECT * FROM T;
+SELECT * FROM t1;
+
+SELECT COUNT(*) FROM T;
+REINDEX T;
+CREATE TABLE T (
+  a INTEGER,
+  b TEXT,
+  c REAL
+);
+INSERT INTO T VALUES (1,'a',1.25), (2,'b',-3.5), (3,'c',0.0);
+SELECT * FROM T WHERE c < 2.0 ORDER BY c;
+INSERT INTO t1 VALUES (1, NULL, 1, NULL) ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
+ALTER TABLE t1 RENAME TO t1_r9560;
+
+SELECT COUNT(*) FROM t1;
+SELECT SUM(b) FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+ANALYZE;
+ROLLBACK TO sp1480;
+RELEASE sp1480;
+DELETE FROM T WHERE 1;
+DROP INDEX IF EXISTS T;
+SELECT * FROM t1;
+CREATE TEMP  VIEW IF NOT EXISTS v_T_9396 AS SELECT c FROM T;
+CREATE UNIQUE  INDEX IF NOT EXISTS idx_t1_8910 ON t1(a) WHERE a > 0;
+SELECT LAG(c, 1) OVER (ORDER BY c ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW EXCLUDE TIES) FROM T; /* -batch */ VACUUM;
+WITH cte AS (SELECT * FROM T WHERE b = (SELECT MAX(b) FROM T)) SELECT * FROM cte;
+ALTER TABLE T RENAME COLUMN b TO b_r5648;
+SELECT MIN(c) FROM T;
+
+SELECT COUNT(*) FROM T;
+UPDATE t1 SET b = CURRENT_TIMESTAMP;
+ALTER TABLE T DROP COLUMN c;
+END TRANSACTION;
+SELECT AVG(b) FROM T;
+ALTER TABLE t1 RENAME TO t1_r4157;
+INSERT INTO T VALUES (NULL, NULL, NULL);
+SELECT * FROM t1 WHERE (b) IN (SELECT b FROM t1);
+INSERT INTO t1 VALUES (NULL, NULL, NULL, NULL);
+CREATE TEMP  VIEW IF NOT EXISTS v_t1_2863 AS SELECT b FROM t1;
+SELECT STRING_AGG(b, '|') FROM t1;
+
+SELECT COUNT(*) FROM T;
+SELECT * FROM t1 WHERE b > ANY (SELECT b FROM t1);
+SELECT * FROM T AS a JOIN t1 AS b ON a.rowid = b.rowid;
+SELECT b, (SELECT b FROM T LIMIT 1) AS first_val FROM T;
+ALTER TABLE t1 RENAME COLUMN b TO b_r9926;
+```
+
+## Actual output
+
+```sql
+a|1.5|-2.25
+b|4.75|0
+
+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|NU11|1
+von|20|2
+Braun|30
+Wernher|NU11
+von|20
+```
+
+## Expectation
+
+```sql
+a|1.5|-2.25
+b|4.75|0
+
+CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
+Braun|30|3
+Wernher|NU11|1
+von|20|2
+Braun|30
+Wernher|NU11
+von|20
+```
+
+## Flag
+
+```
+-nullvalue "NU11"
+```
+