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Merge branch '10.6' into 10.11

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Sergei Golubchik
2023-12-17 16:56:38 +01:00
parent 9a7deb1c36 aff5ed3988
commit fd0b47f9d6
629 changed files with 27336 additions and 4573 deletions
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59
mysql-test/main/order_by.test
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@ -2462,6 +2462,65 @@ EXPLAIN SELECT (SELECT 1 FROM t1 WHERE t1.a=t2.b ORDER BY t1.b LIMIT 1) AS c FRO
DROP TABLE t1,t2;
--echo #
--echo # MDEV-29681 Server crashes when optimizing SQL with ORDER BY
--echo #
CREATE TABLE t1 (b INT);
CREATE TABLE t2 (a INT, c INT);
--echo # First test empty tables
EXPLAIN EXTENDED (SELECT * FROM t1 JOIN t2 ON a=b LIMIT 3) ORDER BY a+1;
EXPLAIN EXTENDED (SELECT * FROM t1 JOIN t2 ON a=b LIMIT 3) ORDER BY a=2;
EXPLAIN EXTENDED (SELECT * FROM t1 JOIN t2 ON a=b LIMIT 3)
ORDER BY a+1, a-b DESC, c<>a;
--echo # Insert some data
INSERT INTO t1 VALUES (1),(2),(3),(4);
INSERT INTO t2 VALUES (1,1),(2,2),(3,3),(4,4);
--sorted_result
(SELECT * FROM t1 JOIN t2 ON a=b LIMIT 3) ORDER BY a=b, a-10 DESC, b+a, c+a+a+b;
--sorted_result
(SELECT * FROM t1 JOIN t2 ON a=b LIMIT 3) ORDER BY a=2;
EXPLAIN EXTENDED (SELECT * FROM t1 JOIN t2 ON a=b LIMIT 3)
ORDER BY a=b, a-10, b+a, c+a+a+b;
--echo # When there is no LIMIT clause the derived table must be merged
--sorted_result
(SELECT * FROM t1 JOIN t2 ON a=b) ORDER BY a+16, b+a, c<>b;
EXPLAIN EXTENDED (SELECT * FROM t1 JOIN t2 ON a=b) ORDER BY a+16 DESC, b+a, c<>b;
--echo # Test UNIONs:
--sorted_result
(SELECT * FROM t1 JOIN t2 ON a=b UNION
SELECT * FROM t1 JOIN t2 ON a!=b
LIMIT 3)
ORDER BY a+16, b+a, c<>b;
EXPLAIN EXTENDED (SELECT * FROM t1 JOIN t2 ON a=b UNION
SELECT * FROM t1 JOIN t2 ON a!=b
LIMIT 3)
ORDER BY a+16, b+a, c<>b;
--sorted_result
(SELECT * FROM t1 JOIN t2 ON a=b UNION
SELECT NULL, NULL, NULL
LIMIT 3)
ORDER BY b-a-c;
EXPLAIN EXTENDED (SELECT * FROM t1 JOIN t2 ON a=b UNION
SELECT NULL, NULL, NULL
LIMIT 3)
ORDER BY b-a-c;
--sorted_result
(SELECT * FROM t1 JOIN t2 ON a=b UNION
SELECT NULL, NULL, NULL
ORDER BY a LIMIT 3)
ORDER BY b-a-c LIMIT 1;
EXPLAIN EXTENDED (SELECT * FROM t1 JOIN t2 ON a=b UNION
SELECT NULL, NULL, NULL
ORDER BY a LIMIT 3)
ORDER BY b-a-c LIMIT 1;
DROP TABLE t1, t2;
--echo # End of 10.4 tests
--echo #