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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
+ATTACH DATABASE ':memory:' AS aux68;
+-- -ascii
+
+PRAGMA automatic_index = YES;
+CREATE TABLE T (
+  a TEXT,
+  b REAL
+);
+INSERT INTO T VALUES ('a',NULL), ('b',-round(trunc(log2(acos(NULL))), json_extract(CAST((x'357972894d4c' + -(-(0))) AS FLOAT), '$[#-1]'))), ('c',9e999);
+SELECT a,b,
+LEAD(b,1) OVER (ORDER BY b DESC) AS c,
+NTILE(2) OVER (ORDER BY b DESC) AS d FROM T;
+DELETE FROM T WHERE NOT NOT (b IS NULL) ;
+SELECT * FROM T WHERE b IN (SELECT b FROM T LIMIT 0);
+PRAGMA writable_schema = 1;
+SELECT COUNT(*) FROM T;
+DETACH DATABASE aux68;
+VACUUM;
+SELECT b FROM T EXCEPT SELECT b FROM (SELECT * FROM T) AS sub;
+DELETE FROM T WHERE a IS NULL RETURNING *;
+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
+INSERT INTO t1 DEFAULT VALUES;
+CREATE UNIQUE  INDEX IF NOT EXISTS idx_t1_1206 ON t1(lower(d));
+CREATE TRIGGER IF NOT EXISTS trg_t1_1786 AFTER UPDATE OF b ON t1 FOR EACH ROW BEGIN SELECT RAISE(FAIL, 'no'); END;
+SELECT COUNT(*) FILTER (WHERE a IS NOT NULL), SUM(rowid) FILTER (WHERE a > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(a) FILTER (WHERE a > 0 AND a < 100), COUNT(*) FILTER (WHERE typeof(a) = "text") FROM t1;
+CREATE TABLE T (
+  a INTEGER,
+  b TEXT,
+  c REAL,
+  d REAL
+);
+INSERT INTO T VALUES (1,'a',40.5,-70.0), (2,'b',-10.25,20.5), (3,'c',9e999,-9e999);
+SELECT b FROM T WHERE ABS(c) > 5 AND ABS(d) > 5;
+DELETE FROM T WHERE rowid = 56;
+SELECT * FROM T;
+ANALYZE;
+REINDEX t1;
+```
+
+## Actual output
+
+```sql
+c|Inf||1
+a|||1
+b|||2
+1
+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
+c|Inf||1
+a|||1
+b|||2
+1
+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
+
+```
+
+```
+