<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.lframework.xingyun.sc.mappers.ScTransferOrderDetailMapper">
  <update id="receive">
    UPDATE tbl_sc_transfer_order_detail SET receive_num = receive_num + #{receiveNum}
    WHERE order_id = #{orderId}
    AND product_id = #{productId}
    AND transfer_num - receive_num >= #{receiveNum}
  </update>

  <select id="countUnReceive" resultType="java.lang.Integer">
    SELECT COUNT(*) FROM tbl_sc_transfer_order_detail
    WHERE order_id = #{orderId}
    AND transfer_num > receive_num
  </select>
</mapper>