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mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00

5.5 merge

This commit is contained in:
Sergei Golubchik
2013-07-17 21:24:29 +02:00
1704 changed files with 7802 additions and 3315 deletions

View File

@ -439,4 +439,45 @@ select distinct (1 + (select 1 from `t2` where `a`)) `d2` from `t1`;
drop table t1,t2;
--echo #
--echo # MDEV-4042: Assertion `table->key_read == 0' fails in close_thread_table on EXPLAIN with GROUP BY and HAVING in EXISTS SQ,
--echo # MDEV-4536: ...sql/sql_base.cc:1598: bool close_thread_table(THD*, TABLE**): Assertion `table->key_read == 0' failed.
CREATE TABLE t1 (a INT) ENGINE=InnoDB;
CREATE TABLE t2 (b INT PRIMARY KEY, c INT) ENGINE=InnoDB;
CREATE TABLE t3 (d INT) ENGINE=InnoDB;
EXPLAIN
SELECT * FROM t1 WHERE EXISTS ( SELECT b FROM t2, t3 GROUP BY b HAVING b != 3 );
SELECT * FROM t1 WHERE EXISTS ( SELECT b FROM t2, t3 GROUP BY b HAVING b != 3 );
DROP TABLE t1,t2,t3;
CREATE TABLE t1 (
pk int auto_increment primary key,
col_int_key int(11),
key col_int_key (col_int_key),col_varchar_key varchar(128),
key (col_varchar_key)
) engine=innodb;
EXPLAIN
SELECT 1 FROM t1 AS alias1
WHERE EXISTS ( SELECT SQ2_alias1 . col_int_key AS SQ2_field1
FROM ( t1 AS SQ2_alias1 RIGHT OUTER JOIN
t1 AS SQ2_alias2 ON (SQ2_alias2 . col_int_key = SQ2_alias1 . col_int_key )
)
GROUP BY SQ2_field1
HAVING SQ2_alias1 . col_int_key >= 7
);
SELECT 1 FROM t1 AS alias1
WHERE EXISTS ( SELECT SQ2_alias1 . col_int_key AS SQ2_field1
FROM ( t1 AS SQ2_alias1 RIGHT OUTER JOIN
t1 AS SQ2_alias2 ON (SQ2_alias2 . col_int_key = SQ2_alias1 . col_int_key )
)
GROUP BY SQ2_field1
HAVING SQ2_alias1 . col_int_key >= 7
);
drop table t1;
set optimizer_switch=@subselect_innodb_tmp;