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-rw-r--r--mysql-test/t/subselect.test13
1 files changed, 13 insertions, 0 deletions
diff --git a/mysql-test/t/subselect.test b/mysql-test/t/subselect.test
index 68a89796ec3..3ae695c8967 100644
--- a/mysql-test/t/subselect.test
+++ b/mysql-test/t/subselect.test
@@ -53,4 +53,17 @@ insert into clinic values(1,"Oblastnaia bolnitsa"),(2,"Bolnitsa Krasnogo Kresta"
insert into attend values (1,1),(1,2),(2,2),(1,3);
select * from attend where exists (select * from clinic where uq = clinic_uq);
+# different tipes & group functions
+drop table if exists t1,t2,t3;
+
+CREATE TABLE t3 (a varchar(20),b char(1) NOT NULL default '0');
+INSERT INTO t3 VALUES ('W','a'),('A','c'),('J','b');
+CREATE TABLE t2 (a varchar(20),b int NOT NULL default '0');
+INSERT INTO t2 VALUES ('W','1'),('A','3'),('J','2');
+CREATE TABLE t1 (a varchar(20),b date NOT NULL default '0000-00-00');
+INSERT INTO t1 VALUES ('W','1732-02-22'),('A','1735-10-30'),('J','1743-04-13');
+SELECT * FROM t1 WHERE b = (SELECT MIN(b) FROM t1);
+SELECT * FROM t2 WHERE b = (SELECT MIN(b) FROM t2);
+SELECT * FROM t3 WHERE b = (SELECT MIN(b) FROM t3);
+
drop table t1,t2,t3,t4,t5,attend,clinic;