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5.3 merge

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This commit is contained in:
Sergei Golubchik
2013-01-15 19:07:46 +01:00
parent 750b9147fc 4f67a14700
commit aca8e7ed6b
115 changed files with 2135 additions and 1129 deletions
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26
mysql-test/r/subselect4.result
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@ -2248,6 +2248,32 @@ NULL NULL
drop table t1, t2;
set optimizer_switch=@subselect4_tmp;
#
# MDEV-3928 Assertion `example' failed in Item_cache::is_expensive_processor with a 2-level IN subquery
#
CREATE TABLE t1 (a1 INT, b1 TIME) ENGINE=MyISAM;
INSERT INTO t1 VALUES (4,'21:22:34'),(6,'10:50:38');
CREATE TABLE t2 (a2 INT, b2 TIME) ENGINE=MyISAM;
INSERT INTO t2 VALUES (8, '06:17:39');
CREATE TABLE t3 (a3 INT, b3 TIME) ENGINE=MyISAM;
INSERT INTO t3 VALUES (1,'00:00:01'),(7,'00:00:02');
EXPLAIN
SELECT * FROM t1 WHERE a1 IN (
SELECT a2 FROM t2 WHERE a2 IN (
SELECT a3 FROM t3 WHERE b2 = b1 AND b2 <= b1 ORDER BY b3
)
);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t1 WHERE a1 IN (
SELECT a2 FROM t2 WHERE a2 IN (
SELECT a3 FROM t3 WHERE b2 = b1 AND b2 <= b1 ORDER BY b3
)
);
a1 b1
drop table t1, t2, t3;
#
# MDEV-3899 Valgrind warnings (blocks are definitely lost) in filesort on IN subquery with SUM and DISTINCT
#
CREATE TABLE t1 (a INT) ENGINE=MyISAM;