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-rw-r--r--mysql-test/t/func_system.test6
1 files changed, 6 insertions, 0 deletions
diff --git a/mysql-test/t/func_system.test b/mysql-test/t/func_system.test
index f3b9b4ffc3f..a05b80ca56b 100644
--- a/mysql-test/t/func_system.test
+++ b/mysql-test/t/func_system.test
@@ -23,4 +23,10 @@ create table t1 (version char(40)) select database(), user(), version() as 'vers
show create table t1;
drop table t1;
+select charset(charset(_utf8'a')), charset(collation(_utf8'a'));
+select collation(charset(_utf8'a')), collation(collation(_utf8'a'));
+create table t1 select charset(_utf8'a'), collation(_utf8'a');
+show create table t1;
+drop table t1;
+
select TRUE,FALSE,NULL;