一、改表

SELECT
	a.sub_unit_type,
	a.series,
	b.div_num_id,
	b.div_num_id as div_num_id_,
  b.pty1_num_id,
  b.pty1_num_id as pty1_num_id_,
  b.pty2_num_id as pty2_num_id_,
  b.pty3_num_id as pty3_num_id_,
  b.item_num_id as item_num_id_,
  b.price_add_ratio,
	b.price_add_amount,
	b.last_updtme,
	b.last_update_user_id
FROM
	mdms_bl_distribution_price_add_rule_hdr a
LEFT JOIN mdms_bl_distribution_price_add_rule_dtl b ON a.rule_num_id = b.rule_num_id
AND a.tenant_num_id = b.tenant_num_id
AND a.data_sign = b.data_sign
WHERE
	a.tenant_num_id = ?
AND a.data_sign = ?
[and sub_unit_type=?]
[and div_num_id=?]
[and item_num_id=?]
AND a.cancelsign = 'N'
ORDER BY a.last_updtme DESC,a.create_dtme DESC