1 files changed, 37 insertions, 0 deletions
diff --git a/lib/arel/engines/sql/engine.rb b/lib/arel/engines/sql/engine.rb
new file mode 100644
index 0000000000..7d2926040c
--- /dev/null
+++ b/lib/arel/engines/sql/engine.rb
@@ -0,0 +1,37 @@
+module Arel
+  module Sql
+    class Engine
+      def initialize(ar = nil)
+        @ar = ar
+      end
+
+      def connection
+        @ar.connection
+      end
+
+      def method_missing(method, *args, &block)
+        @ar.connection.send(method, *args, &block)
+      end
+
+      module CRUD
+        def create(relation)
+          connection.insert(relation.to_sql)
+        end
+
+        def read(relation)
+          rows = connection.select_rows(relation.to_sql)
+          Array.new(rows, relation.attributes)
+        end
+
+        def update(relation)
+          connection.update(relation.to_sql)
+        end
+
+        def delete(relation)
+          connection.delete(relation.to_sql)
+        end
+      end
+      include CRUD
+    end
+  end
+end