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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
+PRAGMA secure_delete = OFF;
+CREATE TABLE T (
+  a INTEGER,
+  b REAL
+);
+INSERT INTO T VALUES (changes(),pi()), (json_patch(2, '{"key": null}'),-2.5), (3,0.0);
+CREATE INDEX c
+ON T(b);
+SELECT * FROM T WHERE b IS NOT -2.5 AND b < 2.0;
+SAVEPOINT sp5824;
+CREATE TABLE main.t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
+INSERT INTO t1 VALUES (CAST(CAST(json_object('k1', 1, 'k2', 1) AS MEDIUMINT) AS NONE), '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 TRIGGER IF NOT EXISTS trg_t1_5105 BEFORE UPDATE OF b ON t1 FOR EACH ROW BEGIN SELECT RAISE(FAIL, 'no'); END;
+INSERT OR ROLLBACK INTO t1 VALUES ('x', 0, NULL, 'x');
+SELECT COUNT(*) FILTER (WHERE b IS NOT NULL), SUM(rowid) FILTER (WHERE +b > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(b) FILTER (WHERE +b > 0 AND b < 100), COUNT(*) FILTER (WHERE typeof(b) = "text") FROM t1;
+CREATE TEMP  VIEW IF NOT EXISTS v_t1_3561 AS SELECT c FROM t1;
+DROP INDEX IF EXISTS t1;
+INSERT INTO t1 VALUES (1, 'x', NULL, 1) ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = /* ltrim({v}) */ excluded.b, c = excluded.c;
+ALTER TABLE t1 ADD COLUMN extra_186 ANY COLLATE RTRIM;
+DROP TRIGGER IF EXISTS t1;
+VACUUM main;
+SELECT TOTAL(a) FROM t1;
+DROP INDEX IF EXISTS t1;
+INSERT INTO t1 VALUES (NULL, NULL, NULL, NULL);
+PRAGMA full_column_names;
+ROLLBACK TRANSACTION TO SAVEPOINT sp5824;
+RELEASE SAVEPOINT sp5824;
+SELECT * FROM t1 AS a JOIN t1 AS b ON a.rowid = b.rowid;
+CREATE TEMPORARY TABLE t0(x, y, z);
+SELECT -99999999999999999999999999999999999999999999999999;
+SELECT * FROM sqlite_temp_master WHERE sql GLOB '000[]***';
+DROP TABLE t0;
+DROP TABLE IF EXISTS t0;
+SELECT NTH_VALUE(y, -1) OVER (ORDER BY y GROUPS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FROM t0;
+INSERT OR ABORT INTO t1 VALUES (NULL, 0, NULL, 'x');
+SELECT * FROM t1 CROSS JOIN T;
+DELETE FROM t1 WHERE rowid = 94 RETURNING *;
+REINDEX;
+DELETE FROM T WHERE a > (SELECT AVG(a) FROM T);
+CREATE TEMP  VIEW IF NOT EXISTS v_t0_5386 AS SELECT y FROM t0;
+INSERT INTO t0 VALUES (NULL, NULL, NULL);
+WITH cte AS (SELECT * FROM t0 WHERE x IN (SELECT x FROM t0 LIMIT 5)) SELECT * FROM cte;
+SELECT * FROM t0;
+CREATE TEMP  VIEW IF NOT EXISTS v_T_2978 AS SELECT a FROM T;
+SELECT STRING_AGG(a, '|') FROM t1;
+ALTER TABLE t1 RENAME TO t1_r9064;
+CREATE TEMP  VIEW IF NOT EXISTS v_t0_2687 AS SELECT x FROM t0;
+SELECT GROUP_CONCAT(b, '|') FROM T;
+SELECT * FROM t0 CROSS JOIN t1;
+SELECT * FROM T;
+INSERT INTO t0 VALUES (NULL, NULL, NULL);
+SELECT STRING_AGG(b) FROM T;
+INSERT INTO T VALUES (NULL, NULL) ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b;
+DELETE FROM T WHERE a > (SELECT AVG(a) FROM T);
+SELECT GROUP_CONCAT(y) FROM t0;
+INSERT INTO t1 VALUES (NULL, NULL, NULL, NULL);
+CREATE TEMP  VIEW IF NOT EXISTS v_t0_8006 AS SELECT y FROM t0;
+```
+
+## Actual output
+
+```sql
+0
+3|0.0
+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|10|0
+von|20|2
+Braun|30
+Wernher|10
+von|20
+```
+
+## Expectation
+
+```sql
+0
+3|0.0
+CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
+Braun|30|3
+Wernher|10|0
+von|20|2
+Braun|30
+Wernher|10
+von|20
+```
+
+## Flag
+
+```
+
+```
+