<?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="cn.wisenergy.mapper.CustomerServiceMapper">
    <resultMap id="bankMap" type="cn.wisenergy.model.app.CustomerService">
        <id column="id" property="id"/>
        <result column="wechat_id" property="wechatId"/>
        <result column="wechat_img_url" property="wechatImgUrl"/>
        <result column="create_time" property="createTime"/>
        <result column="update_time" property="updateTime"/>
    </resultMap>

    <sql id="table">
        customer_service
    </sql>

    <sql id="cols_all">
        id,
        <include refid="cols_exclude_id"/>
    </sql>

    <sql id="cols_exclude_id">
        wechat_id,wechat_img_url,create_time,update_time
    </sql>

    <sql id="vals">
        #{wechatId},#{wechatImgUrl},now(),now()
    </sql>

    <sql id="updateCondition">
        <if test="wechatId != null">service_id = #{wechatId},</if>
        <if test="wechatImgUrl != null">wechat_img_url = #{wechatImgUrl},</if>
        update_time =now()
    </sql>

    <sql id="criteria">
        <if test="id != null">id = #{id}</if>
        <if test="wechatId != null">and service_id = #{wechatId}</if>
        <if test="wechatImgUrl != null">and wechat_img_url = #{wechatImgUrl}</if>
        <if test="createTime != null">and create_time &gt;= #{createTime}</if>
        <if test="updateTime != null">and #{updateTime} &gt;= update_time</if>
    </sql>

    <select id="randService" resultType="cn.wisenergy.model.app.CustomerService">
        select
        <include refid="cols_all"/>
        from
        <include refid="table"/>
        order by rand() limit 1
    </select>

</mapper>