<?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.younike.system.mapper.MerchantCategoryMapper">

    <resultMap type="MerchantCategory" id="MerchantCategoryResult">
        <result property="id"    column="id"    />
        <result property="merchantId"    column="merchant_id"    />
        <result property="categoryId"    column="category_id"    />
        <result property="delFlag"    column="del_flag"    />
        <result property="createBy"    column="create_by"    />
        <result property="createTime"    column="create_time"    />
        <result property="updateBy"    column="update_by"    />
        <result property="updateTime"    column="update_time"    />
    </resultMap>

    <sql id="selectMerchantCategoryVo">
        select id, merchant_id, category_id, del_flag, create_by, create_time, update_by, update_time from merchant_category
    </sql>

    <select id="selectMerchantCategoryList" parameterType="MerchantCategory" resultMap="MerchantCategoryResult">
        <include refid="selectMerchantCategoryVo"/>
        <where>
            <if test="merchantId != null "> and merchant_id = #{merchantId}</if>
            <if test="categoryId != null "> and category_id = #{categoryId}</if>
        </where>
    </select>

    <select id="selectMerchantCategoryById" parameterType="Long" resultMap="MerchantCategoryResult">
        <include refid="selectMerchantCategoryVo"/>
        where id = #{id}
    </select>

    <insert id="insertMerchantCategory" parameterType="MerchantCategory" useGeneratedKeys="true" keyProperty="id">
        insert into merchant_category
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="merchantId != null">merchant_id,</if>
            <if test="categoryId != null">category_id,</if>
            <if test="delFlag != null">del_flag,</if>
            <if test="createBy != null">create_by,</if>
            <if test="createTime != null">create_time,</if>
            <if test="updateBy != null">update_by,</if>
            <if test="updateTime != null">update_time,</if>
        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
            <if test="merchantId != null">#{merchantId},</if>
            <if test="categoryId != null">#{categoryId},</if>
            <if test="delFlag != null">#{delFlag},</if>
            <if test="createBy != null">#{createBy},</if>
            <if test="createTime != null">#{createTime},</if>
            <if test="updateBy != null">#{updateBy},</if>
            <if test="updateTime != null">#{updateTime},</if>
        </trim>
    </insert>

    <update id="updateMerchantCategory" parameterType="MerchantCategory">
        update merchant_category
        <trim prefix="SET" suffixOverrides=",">
            <if test="merchantId != null">merchant_id = #{merchantId},</if>
            <if test="categoryId != null">category_id = #{categoryId},</if>
            <if test="delFlag != null">del_flag = #{delFlag},</if>
            <if test="createBy != null">create_by = #{createBy},</if>
            <if test="createTime != null">create_time = #{createTime},</if>
            <if test="updateBy != null">update_by = #{updateBy},</if>
            <if test="updateTime != null">update_time = #{updateTime},</if>
        </trim>
        where id = #{id}
    </update>

    <delete id="deleteMerchantCategoryById" parameterType="Long">
        delete from merchant_category where id = #{id}
    </delete>

    <delete id="deleteMerchantCategoryByIds" parameterType="String">
        delete from merchant_category where id in
        <foreach item="id" collection="array" open="(" separator="," close=")">
            #{id}
        </foreach>
    </delete>
</mapper>