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-rw-r--r--mysql-test/t/distinct.test9
1 files changed, 9 insertions, 0 deletions
diff --git a/mysql-test/t/distinct.test b/mysql-test/t/distinct.test
index 9cc5dce6754..89d3f85a38d 100644
--- a/mysql-test/t/distinct.test
+++ b/mysql-test/t/distinct.test
@@ -624,3 +624,12 @@ select * from t1 where a = DATE('2010-10-10');
select distinct a from t1 where a = DATE('2010-10-10');
drop table t1;
+#
+# lp:731124 Loss of precision on DISTINCT
+#
+create table t1 (f1 varchar(40));
+insert into t1 values ('2010-10-10 00:00:00.0001'),('2010-10-10 00:00:00.0002'),('2010-10-10 00:00:00.0003');
+select time(f1) from t1 ;
+select distinct time(f1) from t1 ;
+drop table t1;
+