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Merge 10.11 into 11.0

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This commit is contained in:
Marko Mäkelä
2023-02-16 13:34:45 +02:00
parent 80b4fa54e1 1fd0099839
commit 2e431ff7e6
493 changed files with 7008 additions and 2592 deletions
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28
mysql-test/main/fetch_first.result
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@ -1432,3 +1432,31 @@ a
bar
foo
DROP TABLE t;
#
# MDEV-30324: Wrong result upon SELECT DISTINCT .. WITH TIES using index
#
CREATE TABLE t1 (a int, b char(3), KEY (a));
INSERT INTO t1 VALUES (2,'foo'),(3,'bar'),(3,'bar'),(3,'zzz');
EXPLAIN SELECT DISTINCT a, b FROM t1 ORDER BY a FETCH FIRST 1 ROWS WITH TIES;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL a 5 NULL 1 Using temporary
SELECT DISTINCT a, b FROM t1 ORDER BY a FETCH FIRST 1 ROWS WITH TIES;
a b
2 foo
EXPLAIN SELECT DISTINCT a, b FROM t1 ORDER BY a FETCH FIRST 2 ROWS WITH TIES;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL a 5 NULL 2 Using temporary
SELECT DISTINCT a, b FROM t1 ORDER BY a FETCH FIRST 2 ROWS WITH TIES;
a b
2 foo
3 bar
3 zzz
EXPLAIN SELECT DISTINCT a, b FROM t1 ORDER BY a FETCH FIRST 3 ROWS WITH TIES;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL a 5 NULL 3 Using temporary
SELECT DISTINCT a, b FROM t1 ORDER BY a FETCH FIRST 3 ROWS WITH TIES;
a b
2 foo
3 bar
3 zzz
DROP TABLE t1;