SELECT b.*, P.part_name, P.part_no FROM technology_bom b LEFT JOIN basic_part P ON b.part_id = P.ID select * from() a ${ew.SqlSegment} SELECT A.*, b.part_no, b.part_name, c.operation_no, c.name operation_name FROM technology_bom_component A left join basic_part b on b.id = A.part_id left join technology_operation c on c.id = A.operation_id WHERE A.bom_id = #{bomId} order by A."id" SELECT bp.* FROM technology_bom_component tbc LEFT JOIN basic_part bp ON tbc.part_id = bp."id" WHERE tbc.parent IS NOT NULL AND tbc.bom_id = #{bomId} AND bp.planning_method = 'A' AND bp.material_type = '1' ORDER BY tbc.ID DESC; SELECT A.*, b.part_no, b.part_name FROM technology_bom_component A, basic_part b WHERE A.part_id = b.ID AND a.bom_id = #{bomId} AND a.parent = #{parent} order by b.part_name SELECT DISTINCT part_id FROM technology_bom_component WHERE bom_id = #{bomId}