src/main/resources/mapper/sys/LayerMapper.xml
@@ -72,7 +72,7 @@ select id from lf.sys_dir where name = #{name}; </select> <select id="selectOrderNumByPid" resultType="java.lang.Integer"> <select id="selectMaxOrderNumByPid" resultType="java.lang.Integer"> select coalesce(max(order_num), 0) + 1 from lf.sys_layer where pid = #{pid}; </select>