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a test case (Bug #4102 Crash with a DBUG window after a request)

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ram@gw.mysql.r18.ru
2004-06-17 12:47:58 +05:00
parent 6b8222d3a7
commit 5790b17ecb
2 changed files with 21 additions and 0 deletions
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9
mysql-test/r/subselect.result
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@@ -1831,3 +1831,12 @@ Warnings:
Note 1276 Field or reference 'up.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'up.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select test.up.a AS `a`,test.up.b AS `b` from test.t1 up where exists(select 1 AS `Not_used` from test.t1 where (test.t1.a = test.up.a)) Note 1003 select test.up.a AS `a`,test.up.b AS `b` from test.t1 up where exists(select 1 AS `Not_used` from test.t1 where (test.t1.a = test.up.a))
drop table t1; drop table t1;
CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1);
CREATE TABLE t2 (t2_a int, t2_b int, PRIMARY KEY (t2_a, t2_b));
INSERT INTO t2 VALUES (1, 1), (1, 2);
SELECT * FROM t1, t2 table2 WHERE t1_a = 1 AND table2.t2_a = 1
HAVING table2.t2_b = (SELECT MAX(t2_b) FROM t2 WHERE t2_a = table2.t2_a);
t1_a t2_a t2_b
1 1 2
DROP TABLE t1, t2;

12
mysql-test/t/subselect.test
View File

@@ -1167,3 +1167,15 @@ insert into t1 values (1,2),(3,4);
select * from t1 up where exists (select * from t1 where t1.a=up.a); select * from t1 up where exists (select * from t1 where t1.a=up.a);
explain extended select * from t1 up where exists (select * from t1 where t1.a=up.a); explain extended select * from t1 up where exists (select * from t1 where t1.a=up.a);
drop table t1; drop table t1;
#
# Bug #4102: subselect in HAVING
#
CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1);
CREATE TABLE t2 (t2_a int, t2_b int, PRIMARY KEY (t2_a, t2_b));
INSERT INTO t2 VALUES (1, 1), (1, 2);
SELECT * FROM t1, t2 table2 WHERE t1_a = 1 AND table2.t2_a = 1
HAVING table2.t2_b = (SELECT MAX(t2_b) FROM t2 WHERE t2_a = table2.t2_a);
DROP TABLE t1, t2;