fixed do with subselects

mysql-test/r/subselect.result:
  test of DO with subselects
mysql-test/t/subselect.test:
  test of DO with subselects

1 files changed, 9 insertions, 1 deletions

diff --git a/mysql-test/t/subselect.test b/mysql-test/t/subselect.test
index ba9491125a4..de07df1905b 100644
--- a/mysql-test/t/subselect.test
+++ b/mysql-test/t/subselect.test
@@ -462,4 +462,12 @@ select ROW(1, 2, 'a') IN (select a,b,c from t where c='b' or c='a');
 select ROW(1, 1, 'a') IN (select b,a,c from t where c='b' or c='a');
 -- error 1235
 select ROW(1, 1, 'a') IN (select b,a,c from t limit 2);
-drop table if exists t;
+drop table t;
+
+create table t (a int);
+insert into t values (1);
+do @a:=(SELECT a from t);
+select @a;
+drop table t;
+-- error 1146
+do (SELECT a from t);