select id, content, create_at, update_at from mall_purchase_notes and id = #{id} and content = #{content} and create_at = #{createAt} and update_at = #{updateAt} where id = #{id} insert into mall_purchase_notes content, create_at, update_at, #{content}, #{createAt}, #{updateAt}, update mall_purchase_notes content = #{content}, create_at = #{createAt}, update_at = #{updateAt}, where id = #{id} delete from mall_purchase_notes where id = #{id} delete from mall_purchase_notes where id in #{id}