Allow aggressive loading for grouped collections.

src/helma/objectmodel/db/Relation.java

@@ -281,7 +281,7 @@ public final class Relation {
             }
 
             // aggressive loading and caching is not supported for groupby-nodes
-            aggressiveLoading = aggressiveCaching = false;
+            // aggressiveLoading = aggressiveCaching = false;
         }
 
         // check if subnode condition should be applied for property relations
@@ -352,6 +352,13 @@ public final class Relation {
         return isPrivate;
     }
 
+    /**
+     *  Check whether aggressive loading is set for this relation
+     */
+    public boolean loadAggressively() {
+        return aggressiveLoading;
+    }
+
     /**
      *  Returns the number of constraints for this relation.
      */
@@ -425,6 +432,15 @@ public final class Relation {
         return columnType;
     }
 
+    /**
+     *  Get the group for a collection relation, if defined.
+     *
+     * @return the name of the column used to group child objects, if any.
+     */
+    public String getGroup() {
+        return groupby;
+    }
+
     /**
      * Add a constraint to the current list of constraints
      */