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Merge gkodinov@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

Browse Source 
into  magare.gmz:/home/kgeorge/mysql/autopush/B32036-5.0-opt
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unknown
2007-11-26 15:57:47 +02:00
parent 8fd43262dc cf84ca46ba
commit c81eb57b92
3 changed files with 72 additions and 37 deletions
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35
mysql-test/r/subselect.result
View File

@ -3562,22 +3562,19 @@ SELECT sql_no_cache * FROM t1 WHERE NOT EXISTS
(SELECT i FROM t1) UNION
(SELECT i FROM t1)
);
i
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'UNION
(SELECT i FROM t1)
)' at line 3
SELECT * FROM t1
WHERE NOT EXISTS (((SELECT i FROM t1) UNION (SELECT i FROM t1)));
i
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'UNION (SELECT i FROM t1)))' at line 2
explain select ((select t11.i from t1 t11) union (select t12.i from t1 t12))
from t1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'union (select t12.i from t1 t12))
from t1' at line 1
explain select * from t1 where not exists
((select t11.i from t1 t11) union (select t12.i from t1 t12));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
3 SUBQUERY NULL NULL NULL NULL NULL NULL NULL no matching row in const table
4 UNION t12 system NULL NULL NULL NULL 0 const row not found
NULL UNION RESULT <union2,4> ALL NULL NULL NULL NULL NULL
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'union (select t12.i from t1 t12))' at line 2
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(250), b INT auto_increment, PRIMARY KEY (b));
insert into t1 (a) values (FLOOR(rand() * 100));
@ -4360,4 +4357,26 @@ out_a MIN(b)
1 2
2 4
DROP TABLE t1;
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
INSERT INTO t1 VALUES (1),(2);
INSERT INTO t2 VALUES (1),(2);
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
2
2
2
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where exists(select 1 AS `1` from `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`))
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION
(SELECT 1 FROM t2 WHERE t1.a = t2.a));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'UNION
(SELECT 1 FROM t2 WHERE t1.a = t2.a))' at line 2
DROP TABLE t1,t2;
End of 5.0 tests.

31
mysql-test/t/subselect.test
View File

@ -2455,12 +2455,16 @@ DROP TABLE t1, t2;
CREATE TABLE t1 (i INT);
(SELECT i FROM t1) UNION (SELECT i FROM t1);
#TODO:not supported
--error ER_PARSE_ERROR
SELECT sql_no_cache * FROM t1 WHERE NOT EXISTS
(
(SELECT i FROM t1) UNION
(SELECT i FROM t1)
);
#TODO:not supported
--error ER_PARSE_ERROR
SELECT * FROM t1
WHERE NOT EXISTS (((SELECT i FROM t1) UNION (SELECT i FROM t1)));
@ -2468,7 +2472,9 @@ WHERE NOT EXISTS (((SELECT i FROM t1) UNION (SELECT i FROM t1)));
--error 1064
explain select ((select t11.i from t1 t11) union (select t12.i from t1 t12))
from t1;
#supported
#TODO:not supported
--error ER_PARSE_ERROR
explain select * from t1 where not exists
((select t11.i from t1 t11) union (select t12.i from t1 t12));
@ -3200,5 +3206,28 @@ GROUP BY a;
DROP TABLE t1;
#
# Bug #32036: EXISTS within a WHERE clause with a UNION crashes MySQL 5.122
#
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
INSERT INTO t1 VALUES (1),(2);
INSERT INTO t2 VALUES (1),(2);
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
#TODO:not supported
--error ER_PARSE_ERROR
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION
(SELECT 1 FROM t2 WHERE t1.a = t2.a));
DROP TABLE t1,t2;
--echo End of 5.0 tests.