lib/rasti/db/relations/many_to_one.rb in rasti-db-1.0.0 vs lib/rasti/db/relations/many_to_one.rb in rasti-db-1.1.0

@@ -21,9 +21,21 @@
           rows.each do |row| 
             row[name] = relation_rows[row[foreign_key]]
           end
         end
 
+        def join_to(dataset, schema=nil, prefix=nil)
+          relation_alias = join_relation_name prefix
+
+          qualified_relation_source = prefix ? Sequel[prefix] : qualified_source_collection_name(schema)
+
+          relation_condition = {
+            Sequel[relation_alias][target_collection_class.primary_key] => qualified_relation_source[foreign_key]
+          }
+
+          dataset.join(qualified_target_collection_name(schema).as(relation_alias), relation_condition)
+        end
+
         def apply_filter(dataset, schema=nil, primary_keys=[])
           dataset.where(foreign_key => primary_keys)
         end
 
       end
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