fix test case for assertSelectWithJoinUsing

sharding-jdbc-core/src/test/resources/integrate/assert/select_relation.xml

@@ -5,10 +5,9 @@
             <data parameter="1000" expected="select_relation/SelectWithInnerJoin.xml" />
         </sharding-rule>
     </sql>
-    <!--// TODO verify sql-->
-    <!--<sql id="assertSelectWithJoinUsing">-->
-        <!--<sharding-rule value="tbl">-->
-            <!--<data parameter="1000" expected="select_relation/SelectWithJoinUsing.xml" />-->
-        <!--</sharding-rule>-->
-    <!--</sql>-->
+    <sql id="assertSelectWithJoinUsing">
+        <sharding-rule value="tbl">
+            <data parameter="1000" expected="select_relation/SelectWithJoinUsing.xml" />
+        </sharding-rule>
+    </sql>
 </sqls>

sharding-jdbc-core/src/test/resources/sql/dql/select_relation.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <sqls>
     <sql id="assertSelectWithInnerJoin" value="SELECT i.* FROM t_order o INNER JOIN t_order_item i ON o.order_id = i.order_id WHERE o.order_id = %s" />
-    <sql id="assertSelectWithJoinUsing" value="SELECT i.* FROM t_order o JOIN t_order_item i USING(order_id) WHERE o.order_id = %s" />
+    <sql id="assertSelectWithJoinUsing" value="SELECT i.* FROM t_order o JOIN t_order_item i USING(order_id) WHERE o.order_id = %s" type="MySQL,PostgreSQL" />
 </sqls>