Add "explicit join support" to the grand_parent related key

git-svn-id: https://svn.erp5.org/repos/public/erp5/sandbox/catalog_join@42035 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/bootstrap/erp5_mysql_innodb_catalog/CatalogMethodTemplateItem/portal_catalog/erp5_mysql_innodb/z_related_grand_parent.xml

@@ -14,8 +14,10 @@
         </item>
         <item>
             <key> <string>arguments_src</string> </key>
-            <value> <string>table_0\n
-table_1</string> </value>
+            <value> <string>table_0\r\n
+table_1\r\n
+RELATED_QUERY_SEPARATOR=" AND "\r\n
+query_table="catalog"</string> </value>
         </item>
         <item>
             <key> <string>cache_time_</string> </key>
@@ -55,10 +57,9 @@ table_1</string> </value>
             <key> <string>src</string> </key>
             <value> <string encoding="cdata"><![CDATA[
 
-<dtml-var table_0>.uid = catalog.parent_uid\n
-AND <dtml-var table_1>.uid = <dtml-var table_0>.parent_uid\n
-\n
-
+<dtml-var table_1>.uid = <dtml-var table_0>.parent_uid\n
+<dtml-var RELATED_QUERY_SEPARATOR>\n
+<dtml-var table_0>.uid = <dtml-var query_table>.parent_uid
 
 ]]></string> </value>
         </item>