# File lib/og/backend.rb, line 67
        def self.eval_og_insert(klass)
                props = props_for_insert(klass)
                
                values = props.collect { |p| write_prop(p) } 
                
                sql = "INSERT INTO #{table(klass)} (#{props.collect {|p| p.name}.join(',')}) VALUES (#{values.join(',')})"

                if klass.instance_methods.include?("og_pre_insert")
                        pre_cb = "og_pre_insert(conn);"
                else
                        pre_cb = ""
                end

                if klass.instance_methods.include?("og_post_insert")
                        post_cb = "og_post_insert(conn);"
                else
                        post_cb = ""
                end

                if klass.instance_methods.include?("og_pre_insert_update")
                        pre_cb << "og_pre_insert_update(conn);"
                end

                if klass.instance_methods.include?("og_post_insert_update")
                        post_cb << "og_post_insert_update(conn);"
                end
                
                klass.class_eval %{
                        def og_insert(conn)
                                #{insert_code(klass, sql, pre_cb, post_cb)}
                        end
                }
        end