<?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.iotechn.unimall.data.mapper.SpuMapper">

    <update id="incSales">
        UPDATE unimall_spu SET sales = sales + #{delta} WHERE id = #{spuId}
    </update>

    <select id="getSpuTitleByCategoryId" resultType="com.iotechn.unimall.data.domain.SpuDO">
        SELECT id,title FROM unimall_spu WHERE category_id = #{categroyId}
    </select>

    <select id="getSpuTitleAll" resultType="com.iotechn.unimall.data.domain.SpuDO">
        SELECT id,title,category_id as categoryId FROM unimall_spu ORDER BY category_id
    </select>
</mapper>