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avoiding of calling Item::val_* methods family with opt_range mem_root, because its life time is too short. (BUG#14342)

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This commit is contained in:
bell@sanja.is.com.ua
2005-11-04 13:16:46 +02:00
parent 5764170898
commit 4f42b35bba
3 changed files with 139 additions and 6 deletions
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72
mysql-test/r/subselect_innodb.result
View File

@ -172,3 +172,75 @@ group by country;
countrycount smcnt country total_funds
1 1200 USA 1200
drop table t1;
CREATE TABLE `t1` (
`t3_id` int NOT NULL,
`t1_id` int NOT NULL,
PRIMARY KEY (`t1_id`)
);
CREATE TABLE `t2` (
`t2_id` int NOT NULL,
`t1_id` int NOT NULL,
`b` int NOT NULL,
PRIMARY KEY (`t2_id`),
UNIQUE KEY `idx_t2_t1_b` (`t1_id`,`b`)
) ENGINE=InnoDB;
CREATE TABLE `t3` (
`t3_id` int NOT NULL
);
INSERT INTO `t3` VALUES (3);
select
(SELECT rs.t2_id
FROM t2 rs
WHERE rs.t1_id=
(SELECT lt.t1_id
FROM t1 lt
WHERE lt.t3_id=a.t3_id)
ORDER BY b DESC LIMIT 1)
from t3 AS a;
(SELECT rs.t2_id
FROM t2 rs
WHERE rs.t1_id=
(SELECT lt.t1_id
FROM t1 lt
WHERE lt.t3_id=a.t3_id)
ORDER BY b DESC LIMIT 1)
NULL
DROP PROCEDURE IF EXISTS p1;
create procedure p1()
begin
declare done int default 3;
repeat
select
(SELECT rs.t2_id
FROM t2 rs
WHERE rs.t1_id=
(SELECT lt.t1_id
FROM t1 lt
WHERE lt.t3_id=a.t3_id)
ORDER BY b DESC LIMIT 1) as x
from t3 AS a;
set done= done-1;
until done <= 0 end repeat;
end//
call p1();
x
NULL
x
NULL
x
NULL
call p1();
x
NULL
x
NULL
x
NULL
call p1();
x
NULL
x
NULL
x
NULL
drop tables t1,t2,t3;

54
mysql-test/t/subselect_innodb.test
View File

@ -183,3 +183,57 @@ group by country;
drop table t1;
#
# BUG#14342: wrong placement of subquery internals in complex queries
#
CREATE TABLE `t1` (
`t3_id` int NOT NULL,
`t1_id` int NOT NULL,
PRIMARY KEY (`t1_id`)
);
CREATE TABLE `t2` (
`t2_id` int NOT NULL,
`t1_id` int NOT NULL,
`b` int NOT NULL,
PRIMARY KEY (`t2_id`),
UNIQUE KEY `idx_t2_t1_b` (`t1_id`,`b`)
) ENGINE=InnoDB;
CREATE TABLE `t3` (
`t3_id` int NOT NULL
);
INSERT INTO `t3` VALUES (3);
select
(SELECT rs.t2_id
FROM t2 rs
WHERE rs.t1_id=
(SELECT lt.t1_id
FROM t1 lt
WHERE lt.t3_id=a.t3_id)
ORDER BY b DESC LIMIT 1)
from t3 AS a;
# repeat above query in SP
--disable_warnings
DROP PROCEDURE IF EXISTS p1;
--enable_warnings
delimiter //;
create procedure p1()
begin
declare done int default 3;
repeat
select
(SELECT rs.t2_id
FROM t2 rs
WHERE rs.t1_id=
(SELECT lt.t1_id
FROM t1 lt
WHERE lt.t3_id=a.t3_id)
ORDER BY b DESC LIMIT 1) as x
from t3 AS a;
set done= done-1;
until done <= 0 end repeat;
end//
delimiter ;//
call p1();
call p1();
call p1();
drop tables t1,t2,t3;