SELECT ( SELECT group_concat(c.DEFINE_CODE) FROM ( SELECT * FROM epc_master_element_{rule} UNION ALL SELECT * FROM epc_center.epc_master_element ) c WHERE c.`CODE` = me.`CODE` AND c.ALIAS = 'code' ) joinMd, me.ID, me.DEFINE_CODE, me. CODE, me. NAME, me.TYPE, me.LEN, me.PREC, me.MUST_FLAG, me.DESCRIPTION, me.ALIAS, me.DEL_FLAG, me.DEF1, me.DEF2, me.DEF3, me.DEF4, me.DEF5, me.INS_P, me.INS_T, me.UPD_P, me.UPD_T, me.TENANT_ID, me.DATA_START FROM ( SELECT * FROM epc_master_element_{rule} UNION ALL SELECT * FROM epc_center.epc_master_element ) me WHERE DEFINE_CODE = #{code} ORDER BY alias DESC, joinMd DESC select CODE , REPLACE(name,'code_','') NAME , TYPE from epc_master_element_{rule} where DEL_FLAG = 0 and DEFINE_CODE = #{code} SELECT CODE FROM epc_master_element_{rule} WHERE DEFINE_CODE = #{code} AND ALIAS = #{type} delete from epc_master_element_{rule} UPDATE epc_master_element_{rule} SET ALIAS = #{alias} WHERE DEFINE_CODE = #{defineCode} AND `CODE` = #{eleCode} select CODE , name , TYPE from epc_master_element_{rule} where DEL_FLAG = 0 and DEFINE_CODE = #{code}