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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
+PRAGMA legacy_alter_table = OFF;
+PRAGMA parser_trace = 0;
+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
+CREATE TABLE T1 (
+  A VARCHAR(10) PRIMARY KEY,
+  B VARCHAR(15) UNIQUE,
+  C INTEGER
+);
+CREATE TABLE [T2] (
+  X VARCHAR(20) PRIMARY KEY,
+  A VARCHAR(10) NOT NULL UNIQUE,
+  FOREIGN KEY (A) REFERENCES T1(A)
+);
+INSERT INTO T1 VALUES ('a', 'p', -2147483648);
+INSERT INTO T1 VALUES ('b', 'q', 2147483647);
+INSERT INTO T2 VALUES ('m', 'a');
+INSERT INTO T2 VALUES ('n', 'b');
+SELECT T2.X, T1.B, T1.C FROM T2, T1 WHERE NOT NOT (T2.A = T1.A AND T1.C >= 0) ;
+.log ON
+CREATE TABLE T (
+  A VARCHAR(-(-(10))) PRIMARY KEY,
+  B VARCHAR(15) NOT NULL,
+  C DOUBLE PRECISION
+);
+INSERT INTO T VALUES ('a', 'p', -1.7976931348623157e+308);
+INSERT INTO T VALUES ('b', 'q', -0.000000001);
+INSERT INTO T VALUES ('c', 'r', 0.0);
+INSERT INTO T VALUES ('d', 's', 3.14159265358979);
+INSERT INTO T VALUES ('e', 't', 1.7976931348623157e+308);
+INSERT INTO T VALUES ('f', 't', 750.25);
+SELECT B, AVG(C) AS D, MIN(C) AS E, MAX(C) AS F FROM T GROUP BY B;
+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 C BETWEEN -1000 AND 1000 ORDER BY C ASC;
+SELECT LAST_VALUE(A) OVER (PARTITION BY A ORDER BY A RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING EXCLUDE NO OTHERS) FROM T;
+CREATE  INDEX IF NOT EXISTS idx_T_7740 ON T(lower(B)) WHERE B > 0;
+INSERT INTO T VALUES ('x', 1, NULL) ON CONFLICT(A) DO UPDATE SET A = excluded.A, B = excluded.B, C = excluded.C;
+SELECT C, (SELECT MIN(C) FROM T) AS min_val FROM T;
+INSERT INTO T SELECT * FROM T;
+DELETE FROM T WHERE C IS NULL;
+DELETE FROM T WHERE 0 RETURNING *;
+INSERT INTO t1 VALUES (1, NULL, 'x', 1) ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
+```
+
+## 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
+
+```
+
+```
+