1 files changed, 39 insertions, 0 deletions
diff --git a/mysql-test/t/func_date_add.test b/mysql-test/t/func_date_add.test
new file mode 100644
index 00000000000..c0250c6ece4
--- /dev/null
+++ b/mysql-test/t/func_date_add.test
@@ -0,0 +1,39 @@
+#
+# Test of DATE_ADD
+#
+
+drop table if exists t1;
+CREATE TABLE t1 (
+  visitor_id int(10) unsigned DEFAULT '0' NOT NULL,
+  group_id int(10) unsigned DEFAULT '0' NOT NULL,
+  hits int(10) unsigned DEFAULT '0' NOT NULL,
+  sessions int(10) unsigned DEFAULT '0' NOT NULL,
+  ts timestamp(14),
+  PRIMARY KEY (visitor_id,group_id)
+)/*! type=MyISAM */;
+INSERT INTO t1 VALUES (465931136,7,2,2,20000318160952);
+INSERT INTO t1 VALUES (173865424,2,2,2,20000318233615);
+INSERT INTO t1 VALUES (173865424,8,2,2,20000318233615);
+INSERT INTO t1 VALUES (173865424,39,2,2,20000318233615);
+INSERT INTO t1 VALUES (173865424,7,2,2,20000318233615);
+INSERT INTO t1 VALUES (173865424,3,2,2,20000318233615);
+INSERT INTO t1 VALUES (173865424,6,2,2,20000318233615);
+INSERT INTO t1 VALUES (173865424,60,2,2,20000318233615);
+INSERT INTO t1 VALUES (173865424,1502,2,2,20000318233615);
+INSERT INTO t1 VALUES (48985536,2,2,2,20000319013932);
+INSERT INTO t1 VALUES (48985536,8,2,2,20000319013932);
+INSERT INTO t1 VALUES (48985536,39,2,2,20000319013932);
+INSERT INTO t1 VALUES (48985536,7,2,2,20000319013932);
+INSERT INTO t1 VALUES (465931136,3,2,2,20000318160951);
+INSERT INTO t1 VALUES (465931136,119,1,1,20000318160953);
+INSERT INTO t1 VALUES (465931136,2,1,1,20000318160950);
+INSERT INTO t1 VALUES (465931136,8,1,1,20000318160950);
+INSERT INTO t1 VALUES (465931136,39,1,1,20000318160950);
+INSERT INTO t1 VALUES (1092858576,14,1,1,20000319013445);
+INSERT INTO t1 VALUES (357917728,3,2,2,20000319145026);
+INSERT INTO t1 VALUES (357917728,7,2,2,20000319145027);
+select visitor_id,max(ts) as mts from t1 group by visitor_id
+having mts < DATE_SUB(NOW(),INTERVAL 3 MONTH);
+select visitor_id,max(ts) as mts from t1 group by visitor_id
+having DATE_ADD(mts,INTERVAL 3 MONTH) < NOW();
+drop table t1;