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func_gconcat.test, func_gconcat.result:

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Test case for bug #12859 group_concat in subquery cause incorrect not null.
This commit is contained in:
evgen@moonbone.local
2005-09-05 17:58:29 +04:00
parent 0f34207606
commit 7493f615d8
2 changed files with 17 additions and 0 deletions
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9
mysql-test/r/func_gconcat.result
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@@ -551,3 +551,12 @@ DROP TABLE t1,t2;
select * from (select group_concat('c') from DUAL) t; select * from (select group_concat('c') from DUAL) t;
group_concat('c') group_concat('c')
NULL NULL
create table t1 ( a int not null default 0);
select * from (select group_concat(a) from t1) t2;
group_concat(a)
NULL
select group_concat('x') UNION ALL select 1;
group_concat('x')
NULL
1
drop table t1;

8
mysql-test/t/func_gconcat.test
View File

@@ -348,4 +348,12 @@ DROP TABLE t1,t2;
# #
select * from (select group_concat('c') from DUAL) t; select * from (select group_concat('c') from DUAL) t;
#
# Bug #12859 group_concat in subquery cause incorrect not null
#
create table t1 ( a int not null default 0);
select * from (select group_concat(a) from t1) t2;
select group_concat('x') UNION ALL select 1;
drop table t1;
# End of 4.1 tests # End of 4.1 tests