id, position_name, remark, update_time, create_time SELECT FROM t_position AND INSTR(position_name,#{queryDTO.positionName}) order by create_time desc SELECT job.position_name, rel.position_id, rel.employee_id, rel.update_time, rel.create_time FROM t_position_relation rel LEFT JOIN t_position job ON rel.position_id = job.id AND rel.position_id = #{positionId} AND rel.employee_id = #{employeeId} SELECT job.position_name, rel.position_id, rel.employee_id, rel.update_time, rel.create_time FROM t_position_relation rel LEFT JOIN t_position job ON rel.position_id = job.id rel.employee_id IN #{item} INSERT INTO t_position_relation (position_id,employee_id) VALUES (#{item},#{batchDTO.employeeId}) DELETE FROM t_position_relation WHERE employee_id = #{employeeId}