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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 INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
+INSERT INTO t1 VALUES (CAST(nullif(1, NULL) AS CHAR(10)), '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
+.dump
+CREATE TABLE T (
+  a INTEGER,
+  b REAL
+);
+INSERT INTO T VALUES (cosh(1),1.5), (2,-2.5), (3,0.0);
+CREATE INDEX c
+ON T(b);
+SELECT * FROM T WHERE NOT NOT (NOT b >= -2.5 AND b < 2.0) ;
+REINDEX T;
+UPDATE T SET b = CURRENT_TIMESTAMP WHERE 1 RETURNING *;
+INSERT INTO T SELECT * FROM T;
+SELECT * FROM T WHERE EXISTS (SELECT 1 FROM T WHERE +a > 0);
+CREATE TABLE T (
+  A VARCHAR(10) PRIMARY KEY,
+  B VARCHAR(15),
+  C BIGINT,
+  UNIQUE (B, C)
+);
+INSERT INTO T VALUES ('a', 'p', -9223372036854775808);
+INSERT INTO T VALUES ('b', 'q', 4000);
+INSERT INTO T VALUES ('c', 'r', 1700);
+INSERT INTO T VALUES ('d', 'r', 9223372036854775807);
+INSERT INTO T VALUES ('e', 's', 0);
+SELECT A, C FROM T WHERE C > 1200 AND C < 9999999999 ORDER BY C;
+WITH m AS MATERIALIZED (SELECT * FROM T) SELECT m.a FROM m JOIN m AS m2 ON m.a = m2.a;
+ALTER TABLE T ADD COLUMN extra_7396 FLOA COLLATE NOCASE;
+ALTER TABLE T ADD COLUMN extra_5763 BIGINT DEFAULT NULL;
+SELECT * FROM T WHERE a IN (SELECT DISTINCT a FROM T);
+DELETE FROM T WHERE rowid = 52;
+DELETE FROM T WHERE 1;
+SELECT STRING_AGG(b) FROM T;
+CREATE UNIQUE  INDEX IF NOT EXISTS idx_T_150 ON T((a + 1));
+ALTER TABLE T RENAME COLUMN B TO B_r1410;
+```
+
+## 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
+
+```
+
+```
+