---

2026-06-24 13:47:14 +02:00
commit fd930e15cb
2377 changed files with 1213931 additions and 0 deletions
@@ -0,0 +1,130 @@
+## 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 IMMEDIATE TRANSACTION;
+((BEGIN));
+CREATE TABLE T (
+  a BLOB,
+  b INTEGER,
+  c REAL
+);
+INSERT INTO T VALUES (('a' || ''),log10(CAST('^' AS NONE)),pow(2.0, 2.0)), ('a',2,-3.0), ('b',1,4.5);
+SELECT a,b,c,
+SUM(c) OVER (
+  PARTITION BY a
+  ORDER BY b
+) AS d
+FROM T;
+PRAGMA trusted_schema = 0;
+CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
+INSERT INTO t1 VALUES (9223372036854775807, '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 DEFERRED TRANSACTION;
+PRAGMA vdbe_addoptrace = NO;
+PRAGMA foreign_keys = 0;
+PRAGMA secure_delete = FALSE;
+.explain
+CREATE TABLE T (
+  a TEXT,
+  b TEXT
+);
+CREATE TABLE T (
+  a INTEGER,
+  b TEXT,
+  c INTEGER
+);
+INSERT INTO T VALUES (1,'a',NULL), (2,'b',1), (3,'c',2);
+WITH RECURSIVE d(a,b,c,e) AS (
+  SELECT *,1 FROM T WHERE NOT NOT (NOT NOT (NOT NOT (c IS NULL
+  UNION ALL
+  SELECT T.a,T.b,T.c,d.e+1
+  FROM T JOIN d ON T.c=d.a
+)
+SELECT * FROM d))) ;
+INSERT INTO T VALUES ('a','b'), ('c','d');
+SELECT * FROM T WHERE NOT a = REPLACE('a;',';','') AND b = 'b';
+SELECT COUNT(*) FROM T;
+SELECT * FROM T;
+REINDEX;
+COMMIT;
+SELECT * FROM T WHERE b IN (SELECT b FROM T ORDER BY b LIMIT 1 OFFSET 1000);
+ALTER TABLE T DROP COLUMN a;
+SELECT SUM(a) FROM T;
+SELECT TOTAL(c) FROM t1;
+UPDATE T SET c = 'x' WHERE c BETWEEN 0 AND 100 RETURNING *;
+CREATE  INDEX IF NOT EXISTS idx_T_1919 ON T(lower(a));
+SELECT COUNT(*) FROM T;
+DROP TRIGGER IF EXISTS T;
+SELECT COUNT(*) FILTER (WHERE c IS NOT NULL), SUM(rowid) FILTER (WHERE c > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(c) FILTER (WHERE c > 0 AND c < 100), COUNT(*) FILTER (WHERE typeof(c) = "text") FROM T;
+WITH cte AS (SELECT a FROM T INTERSECT SELECT a FROM T) SELECT * FROM cte;
+ALTER TABLE T ADD COLUMN extra_7050 INT8 DEFAULT CURRENT_TIMESTAMP;
+ALTER TABLE T ADD COLUMN extra_7163 CHARACTER(20) NOT NULL DEFAULT 0;
+ALTER TABLE t1 ADD COLUMN extra_4930 MEDIUMINT COLLATE RTRIM;
+UPDATE t1 SET c = 0 WHERE c IS NOT NULL;
+ALTER TABLE T RENAME COLUMN b TO b_r2592;
+COMMIT TRANSACTION;
+SELECT COUNT(*) FILTER (WHERE c IS NOT NULL), SUM(rowid) FILTER (WHERE c > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(c) FILTER (WHERE c > 0 AND c < 100), COUNT(*) FILTER (WHERE typeof(c) = "text") FROM T;
+INSERT INTO t1 VALUES (NULL, NULL, NULL, NULL);
+END;
+ANALYZE;
+SELECT * FROM T WHERE c < (SELECT AVG(c) FROM T);
+```
+
+## 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
+
+```
+
+```
+