317 lines
10 KiB
Markdown
317 lines
10 KiB
Markdown
## Summary
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<!--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**
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## Minimized query
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```sql
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.excel
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.print https://yewtu.be/watch?v=dQw4w9WgXcQ
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PRAGMA legacy_alter_table = YES;
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SAVEPOINT sp3593;
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SAVEPOINT sp1295;
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-- PRAGMA query_only = TRUE;
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CREATE TABLE T (
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a TEXT,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES (('' || '') || ('a'),'b',x'7867e8af9497c5a82a529f0a962940'), ('a','c',NULL), ('b','d',-CAST(CAST(3.141592653589793 AS DECIMAL(10,5)) AS CHARINT));
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
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INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
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INSERT INTO t1 VALUES (2, 'von', 20, 200);
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INSERT INTO t1 VALUES (3, 'Braun', 30, 300);
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CREATE INDEX t1bc ON t1(b, c);
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PRAGMA writable_schema = ON;
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.imposter t1bc t2
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sElECt * FROM t2;
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SELECT b, c FROM t1 ORDER BY b, c;
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.quit
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SELECT
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a,b,c,
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RANK() OVER (PARTITION BY a ORDER BY c DESC) AS d FROM T;
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INSERT INTO T DEFAULT VALUES;
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ROLLBACK TO sp1295;
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RELEASE sp1295;
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INSERT INTO T VALUES (1, 1, 'x') ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
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ALTER TABLE T DROP COLUMN a;
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DROP TABLE IF EXISTS T;
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SELECT * FROM (SELECT * FROM t1) AS t1 JOIN (SELECT * FROM t1) AS t2 ON t1.d = t2.d;
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SELECT GROUP_CONCAT(c) FROM t1;
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UPDATE T SET c = 'x' WHERE c IS NOT NULL;
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WITH cte AS (SELECT NULL AS x) SELECT COALESCE(x, 0) FROM cte;
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ALTER TABLE t1 DROP COLUMN a;
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SAVEPOINT sp1295;
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CREATE TABLE T (
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a TEXT,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES ('a','b',x'7867e8af9497c5a82a529f0a962940'), ('a','c',NULL), ('b','d',-CAST(8.25 AS CHARINT));
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
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INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
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INSERT INTO t1 VALUES (2, 'von', 20, 200);
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INSERT INTO t1 VALUES (3, 'Braun', 30, 300);
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CREATE INDEX t1bc ON t1(b, c);
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PRAGMA writable_schema = ON;
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.imposter t1bc t2
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SELECT * FROM t2;
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SELECT b, c FROM t1 ORDER BY b, c;
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.quit
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SELECT a,b,c,
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RANK() OVER (PARTITION BY a ORDER BY c DESC) AS d FROM T;
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INSERT INTO T DEFAULT VALUES;
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ROLLBACK TO sp1295;
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RELEASE sp1295;
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INSERT INTO T VALUES (1, 1, 'x') ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
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ALTER TABLE T DROP COLUMN a;
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DROP TABLE IF EXISTS T;
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SELECT * FROM (SELECT * FROM t1) AS t1 JOIN (SELECT * FROM t1) AS t2 ON t1.d = t2.d;
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SELECT GROUP_CONCAT(c) FROM t1;
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UPDATE T SET c = 'x' WHERE c IS NOT NULL;
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WITH cte AS (SELECT NULL AS x) SELECT COALESCE(x, 0) FROM cte;
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ALTER TABLE t1 DROP COLUMN a;
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SAVEPOINT sp1295;
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CREATE TABLE T (
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a TEXT,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES ('a','b',x'7867e8af9497c5a82a529f0a962940'), ('a','c',NULL), ('b','d',-CAST(8.25 AS CHARINT));
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
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INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
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INSERT INTO t1 VALUES (2, 'von', 20, 200);
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INSERT INTO t1 VALUES (3, 'Braun', 30, 300);
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CREATE INDEX t1bc ON t1(b, c);
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PRAGMA writable_schema = ON;
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.imposter t1bc t2
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SELECT * FROM t2;
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SELECT b, c FROM t1 ORDER BY b, c;
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.quit
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SELECT a,b,c,
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RANK() OVER (PARTITION BY a ORDER BY c DESC) AS d FROM T;
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INSERT INTO T DEFAULT VALUES;
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ROLLBACK TO sp1295;
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RELEASE sp1295;
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INSERT INTO T VALUES (1, 1, 'x') ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
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ALTER TABLE T DROP COLUMN a;
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DROP TABLE IF EXISTS T;
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SELECT * FROM (SELECT * FROM t1) AS t1 JOIN (SELECT * FROM t1) AS t2 ON t1.d = t2.d;
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SELECT GROUP_CONCAT(c) FROM t1;
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UPDATE T SET c = 'x' WHERE c IS NOT NULL;
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WITH cte AS (SELECT NULL AS x) SELECT COALESCE(x, 0) FROM cte;
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ALTER TABLE t1 DROP COLUMN a;
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SAVEPOINT sp1295;
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CREATE TABLE T (
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a TEXT,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES ('a','b',x'7867e8af9497c5a82a529f0a962940'), ('a','c',NULL), ('b','d',-CAST(8.25 AS CHARINT));
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
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INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
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INSERT INTO t1 VALUES (2, 'von', 20, 200);
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INSERT INTO t1 VALUES (3, 'Braun', 30, 300);
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CREATE INDEX t1bc ON t1(b, c);
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PRAGMA writable_schema = ON;
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.imposter t1bc t2
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SELECT * FROM t2;
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SELECT b, c FROM t1 ORDER BY b, c;
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.quit
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SELECT a,b,c,
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RANK() OVER (PARTITION BY a ORDER BY c DESC) AS d FROM T;
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INSERT INTO T DEFAULT VALUES;
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ROLLBACK TO sp1295;
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RELEASE sp1295;
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INSERT INTO T VALUES (1, 1, 'x') ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
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ALTER TABLE T DROP COLUMN a;
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DROP TABLE IF EXISTS T;
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SELECT * FROM (SELECT * FROM t1) AS t1 JOIN (SELECT * FROM t1) AS t2 ON t1.d = t2.d;
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SELECT GROUP_CONCAT(c) FROM t1;
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UPDATE T SET c = 'x' WHERE c IS NOT NULL;
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WITH cte AS (SELECT NULL AS x) SELECT COALESCE(x, 0) FROM cte;
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ALTER TABLE t1 DROP COLUMN a;
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SAVEPOINT sp1295;
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CREATE TABLE T (
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a TEXT,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES ('a','b',x'7867e8af9497c5a82a529f0a962940'), ('a','c',NULL), ('b','d',-CAST(8.25 AS CHARINT));
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
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INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
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INSERT INTO t1 VALUES (2, 'von', 20, 200);
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INSERT INTO t1 VALUES (3, 'Braun', 30, 300);
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CREATE INDEX t1bc ON t1(b, c);
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PRAGMA writable_schema = ON;
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.imposter t1bc t2
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SELECT * FROM t2;
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SELECT b, c FROM t1 ORDER BY b, c;
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.quit
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SELECT a,b,c,
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RANK() OVER (PARTITION BY a ORDER BY c DESC) AS d FROM T;
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INSERT INTO T DEFAULT VALUES;
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ROLLBACK TO sp1295;
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RELEASE sp1295;
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INSERT INTO T VALUES (1, 1, 'x') ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
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ALTER TABLE T DROP COLUMN a;
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DROP TABLE IF EXISTS T;
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SELECT * FROM (SELECT * FROM t1) AS t1 JOIN (SELECT * FROM t1) AS t2 ON t1.d = t2.d;
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SELECT GROUP_CONCAT(c) FROM t1;
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UPDATE T SET c = 'x' WHERE c IS NOT NULL;
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CREATE TABLE T (
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a INTEGER,
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b REAL
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);
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INSERT INTO T VALUES (1,1.5), (2,-7.25), (3,0.0);
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SELECT a,b FROM T WHERE a >= 2 ORDER BY b;
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WITH cte AS (SELECT NULL AS x) SELECT COALESCE(x, 0) FROM cte;
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ALTER TABLE t1 DROP COLUMN a;
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SAVEPOINT sp1295;
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CREATE TABLE T (
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a TEXT,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES ('a','b',x'7867e8af9497c5a82a529f0a962940'), ('a','c',NULL), ('b','d',-CAST(8.25 AS CHARINT));
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
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INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
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INSERT INTO t1 VALUES (2, 'von', 20, 200);
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INSERT INTO t1 VALUES (3, 'Braun', 30, 300);
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CREATE INDEX t1bc ON t1(b, c);
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PRAGMA writable_schema = ON;
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.imposter t1bc t2
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SELECT * FROM t2;
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SELECT b, c FROM t1 ORDER BY b, c;
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.quit
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SELECT a,b,c,
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RANK() OVER (PARTITION BY a ORDER BY c DESC) AS d FROM T;
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INSERT INTO T DEFAULT VALUES;
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ROLLBACK TO sp1295;
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RELEASE sp1295;
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INSERT INTO T VALUES (1, 1, 'x') ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
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ALTER TABLE T DROP COLUMN a;
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DROP TABLE IF EXISTS T;
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SELECT * FROM (SELECT * FROM t1) AS t1 JOIN (SELECT * FROM t1) AS t2 ON t1.d = t2.d;
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SELECT GROUP_CONCAT(c) FROM t1;
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UPDATE T SET c = 'x' WHERE c IS NOT NULL;
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WITH cte AS (SELECT NULL AS x) SELECT COALESCE(x, 0) FROM cte;
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ALTER TABLE t1 DROP COLUMN a;
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SAVEPOINT sp1295;
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CREATE TABLE T (
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a TEXT,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES ('a','b',x'7867e8af9497c5a82a529f0a962940'), ('a','c',NULL), ('b','d',-CAST(8.25 AS CHARINT));
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
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INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
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INSERT INTO t1 VALUES (2, 'von', 20, 200);
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INSERT INTO t1 VALUES (3, 'Braun', 30, 300);
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CREATE INDEX t1bc ON t1(b, c);
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PRAGMA writable_schema = ON;
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.imposter t1bc t2
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SELECT * FROM t2;
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SELECT b, c FROM t1 ORDER BY b, c;
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.quit
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SELECT a,b,c,
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RANK() OVER (PARTITION BY a ORDER BY c DESC) AS d FROM T;
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INSERT INTO T DEFAULT VALUES;
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ROLLBACK TO sp1295;
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RELEASE sp1295;
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INSERT INTO T VALUES (1, 1, 'x') ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
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ALTER TABLE T DROP COLUMN a;
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DROP TABLE IF EXISTS T;
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SELECT * FROM (SELECT * FROM t1) AS t1 JOIN (SELECT * FROM t1) AS t2 ON t1.d = t2.d;
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SELECT GROUP_CONCAT(c) FROM t1;
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UPDATE T SET c = 'x' WHERE c IS NOT NULL;
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WITH cte AS (SELECT NULL AS x) SELECT COALESCE(x, 0) FROM cte;
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ALTER TABLE t1 DROP COLUMN a;
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SELECT COUNT(*) FILTER (WHERE d IS NOT NULL), SUM(rowid) FILTER (WHERE d > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(d) FILTER (WHERE d > 0 OR d < 100), COUNT(*) FILTER (WHERE typeof(d) = "text") FROM t1;
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INSERT INTO t1 VALUES ('x', NULL, 'x', 'x') ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
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SELECT STRING_AGG(b) FROM T;
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SELECT * FROM t1 AS a LEFT JOIN t1 AS b ON a.rowid = b.rowid;
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SELECT MIN(c) FILTER (WHERE c IS NOT NULL) OVER (PARTITION BY c ORDER BY c ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW EXCLUDE TIES) FROM T;
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CREATE TABLE T1 (
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a INTEGER,
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b REAL
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);
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CREATE TABLE T2 (
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a INTEGER,
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b REAL
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);
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INSERT INTO T1 VALUES (1,1.0);
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INSERT INTO T2 VALUES (1,-1.0),(2,9e999);
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INSERT OR REPLACE INTO T1
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SELECT * FROM T2;
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SELECT * FROM T1;
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SELECT * FROM T2 WHERE a IN (SELECT a FROM T2);
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SELECT COUNT(*) FROM T1;
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VACUUM main;
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SELECT STRING_AGG(c) FROM T;
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CREATE TABLE T (
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A VARCHAR(20),
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B VARCHAR(10),
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PRIMARY KEY (A, B)
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);
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INSERT INTO T VALUES ('a', 'p');
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INSERT INTO T VALUES ('a', 'q');
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INSERT INTO T VALUES ('b', 'q');
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INSERT INTO T VALUES ('c', 'r');
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INSERT INTO T VALUES ('b', 'r');
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INSERT INTO T VALUES ('b', 't');
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SELECT B, COUNT(DISTINCT A) AS D FROM T GROUP BY B ORDER BY D DESC, B ASC;
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DROP TRIGGER IF EXISTS T2;
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CREATE INDEX IF NOT EXISTS idx_T_3562 ON T(lower(B)) WHERE B > 0;
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ROLLBACK TO sp3593;
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RELEASE sp3593;
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VACUUM;
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DELETE FROM T2 WHERE 0 RETURNING *;
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SELECT * FROM T1;
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ALTER TABLE T1 RENAME TO T1_r7393;
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PRAGMA trusted_schema = TRUE;
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PRAGMA full_column_names = ON;
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INSERT INTO T2 SELECT * FROM T2;
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INSERT INTO T2 VALUES ('x', 'x') ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b;
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UPDATE t1 SET c = CURRENT_TIMESTAMP WHERE c IS NOT NULL;
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SELECT * FROM T WHERE A < (SELECT AVG(A) FROM T);
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```
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## Actual output
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```sql
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CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
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WARNING: writing to an imposter table will corrupt the "t1bc" index!
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Braun|30|3
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Wernher|10|1
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von|20|2
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Braun|30
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Wernher|10
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von|20
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```
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## Expectation
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```sql
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CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
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Braun|30|3
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Wernher|10|1
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von|20|2
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Braun|30
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Wernher|10
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von|20
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```
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## Flag
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```
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```
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