SELECT * FROM FOLDER WHERE folder_id = #{fid,jdbcType=VARCHAR} SELECT * FROM FOLDER WHERE folder_parent = #{pid,jdbcType=VARCHAR} SELECT * FROM FOLDER WHERE folder_parent = #{parentId,jdbcType=VARCHAR} AND folder_name = #{folderName,jdbcType=VARCHAR} INSERT INTO FOLDER VALUES(#{folderId,jdbcType=VARCHAR},#{folderName,jdbcType=VARCHAR},#{folderCreationDate,jdbcType=VARCHAR},#{folderCreator,jdbcType=VARCHAR},#{folderParent,jdbcType=VARCHAR}); DELETE FROM FOLDER WHERE folder_id=#{folderId,jdbcType=VARCHAR} UPDATE FOLDER SET folder_name = #{newName,jdbcType=VARCHAR} WHERE folder_id = #{folderId,jdbcType=VARCHAR}