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2026-06-24 13:47:14 +02:00
commit fd930e15cb
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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 VARCHAR(15) PRIMARY KEY,
+  B VARCHAR(30) NOT NULL,
+  C BIGINT UNIQUE
+);
+INSERT INTO T VALUES ('a', 'x', -9223372036854775808);
+INSERT INTO T VALUES ('b', 'y', -1000000);
+INSERT INTO T VALUES ('c', 'y', 0);
+INSERT INTO T VALUES ('d', 'y', 42);
+INSERT INTO T VALUES ('e', 'x', 9223372036854775807);
+INSERT INTO T VALUES ('f', 'z', 2147483648);
+SELECT * FROM T WHERE C <> 0 ORDER BY C DESC;
+ATTACH DATABASE ':memory:' AS aux2;
+CREATE TABLE t1(a INT 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
+PRAGMA temp_store = '0';
+CREATE TABLE T (
+  a TEXT,
+  b TEXT,
+  c REAL
+);
+INSERT INTO T VALUES ('a','b',1.0), ('a','c',-1.0), ('b','d',0.0);
+SELECT
+COALESCE(a,'e') AS d,
+COALESCE(b,'f') AS e,
+SUM(c) AS f
+FROM T
+GROUP BY a,b;
+PRAGMA empty_result_callbacks = FALSE;
+PRAGMA default_cache_size = -1000;
+.output
+CREATE TABLE t1(a INTEGER, b TEXT, c BLOB, CHECK( coalesce(b,c) ));
+INSERT INTO t1 VALUES(1, 2, 3);
+ALTER TABLE t1 RENAME COLUMN b TO d;
+CREATE TABLE t3(a, b, c, d, e, f, g, h, i, j, k, l, m, FOREIGN KEY (b, c, d, e, f, g, h, i, j, k, l, m) REFERENCES `t4`);
+CREATE TABLE t4(x, y, z);
+INSERT INTO t4 VALUES(3, 2, 1);
+SELECT STRING_AGG(c) FROM t1;
+ALTER TABLE t4 RENAME TO t4_r7558;
+ALTER TABLE t1 ADD COLUMN extra_4840 INT NOT NULL DEFAULT 0;
+INSERT INTO t3 VALUES (NULL, 'x', 1, 1, 1, 'x', 'x', 'x', NULL, 'x', 1, 'x', 'x') ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
+DETACH DATABASE aux2;
+CREATE TABLE T (
+  a INTEGER,
+  b TEXT,
+  c REAL
+);
+INSERT INTO T VALUES (1,'a',3.14), (1,'b',-7.75), (2,'c',-9e999);
+SELECT b,a,c,
+RANK() OVER (PARTITION BY a ORDER BY c DESC) AS d FROM T;
+UPDATE T SET c = NULL WHERE c IS NOT NULL;
+ALTER TABLE t1 DROP COLUMN a;
+PRAGMA cache_size = -2000;
+SELECT COUNT(*) FILTER (WHERE x IS NOT NULL), SUM(rowid) FILTER (WHERE x > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(x) FILTER (WHERE x > 0 AND x < 100), COUNT(*) FILTER (WHERE typeof(x) = "text") FROM t4;
+INSERT INTO t1 DEFAULT VALUES;
+INSERT INTO t1 DEFAULT VALUES;
+SELECT COUNT(*) FILTER (WHERE x IS NOT NULL), SUM(rowid) FILTER (WHERE x > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(x) FILTER (WHERE x > 0 AND x < 100), COUNT(*) FILTER (WHERE typeof(x) = "text") FROM t4;
+```
+
+## Actual output
+
+```sql
+e|x|9223372036854775807
+f|z|2147483648
+d|y|42
+b|y|-1000000
+a|x|-9223372036854775808
+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
+e|x|9223372036854775807
+f|z|2147483648
+d|y|42
+b|y|-1000000
+a|x|-9223372036854775808
+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
+
+```
+
+```
+