erp5_mysql_innodb_catalog: getting table schema can be done without transaction.

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

@@ -34,7 +34,7 @@
         </item>
         <item>
             <key> <string>connection_id</string> </key>
-            <value> <string>erp5_sql_connection</string> </value>
+            <value> <string>erp5_sql_transactionless_connection</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>