partition_table test, added DML after DDL.

tests/integration_tests/partition_table/data/prepare.sql

@@ -27,6 +27,12 @@ insert into t2 values (100),(101),(102),(103),(104),(105); /*these values will b
 insert into t1 values (25),(29); /*these values will be replicated to in downstream t1.p3*/
 
 ALTER TABLE t1 REORGANIZE PARTITION p0,p2 INTO (PARTITION p0 VALUES LESS THAN (5), PARTITION p1 VALUES LESS THAN (10), PARTITION p2 VALUES LESS THAN (21));
+insert into t1 values (-1),(6),(13);
+update t1 set a=a-22 where a=20;
+delete from t1 where a = 5;
 ALTER TABLE t1 REORGANIZE PARTITION p2,p3,p4 INTO (PARTITION p2 VALUES LESS THAN (20), PARTITION p3 VALUES LESS THAN (26), PARTITION p4 VALUES LESS THAN (35), PARTITION pMax VALUES LESS THAN (MAXVALUE));
+insert into t1 values (-3),(5),(14),(22),(30),(100);
+update t1 set a=a-16 where a=12;
+delete from t1 where a = 29;
 
 create table finish_mark (a int primary key);