standard-server/src/main/resources/mapper/MaterialMapper.xml
@@ -58,10 +58,7 @@ FROM material m LEFT JOIN (SELECT s.`id`, s.`name`, s.`material_id` FROM standard s WHERE s.`state` = 1) s ON s.material_id = m.`id` LEFT JOIN (SELECT f.`id`, f.`name`, f.`standard_id` FROM specifications f WHERE f.`state` = 1 <if test="specificationsName != null and specificationsName != ''"> AND f.`name` = #{specificationsName} </if>) f LEFT JOIN (SELECT f.`id`, f.`name`, f.`standard_id` FROM specifications f WHERE f.`state` = 1) f ON f.standard_id = s.id WHERE m.`state` = 1 </select>