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<?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.ruili.wcp.dao.management.MessageMapper">
    <!-- 根据userId获取最大id和条数 -->
    <select id="getUnreadMessageCount" parameterType="Long" resultType="map">
        select ifnull(count(*), 0)        count,
               ifnull(max(message_id), 0) maxId
        FROM sys_message
        WHERE receive_user_id = #{userId}
          and is_read = '0'
    </select>
 
    <!-- 根据userId获取最大id和条数 -->
    <select id="getUnreadMessageCount" parameterType="Long" resultType="map" databaseId="postgresql">
        select NVL(count(*), 0)        count,
               NVL(max(message_id), 0) maxId
        FROM sys_message
        WHERE receive_user_id = #{userId}
          and is_read = '0'
    </select>
 
    <!-- 根据userId获取最大id和条数 -->
    <select id="getUnreadMessageCount" parameterType="Long" resultType="map" databaseId="kingbasees">
        select NVL(count(*), 0)        count,
               NVL(max(message_id), 0) maxId
        FROM sys_message
        WHERE receive_user_id = #{userId}
          and is_read = '0'
    </select>
 
    <!-- 根据userId获取最大id和条数 -->
    <select id="getUnreadMessageCount" parameterType="Long" resultType="map" databaseId="xugu">
        select NVL(count(*), 0)        count,
               NVL(max(message_id), 0) maxId
        FROM sys_message
        WHERE receive_user_id = #{userId}
          and is_read = '0'
    </select>
 
    <!-- 根据userId获取最大id和条数 -->
    <select id="getUnreadMessageCount" parameterType="Long" resultType="map" databaseId="oracle">
        select NVL(count(*), 0)        count,
               NVL(max(message_id), 0) maxId
        FROM sys_message
        WHERE receive_user_id = #{userId}
          and is_read = '0'
    </select>
    <!-- 根据userId获取最大id和条数 -->
    <select id="getUnreadMessageCount" parameterType="Long" resultType="map" databaseId="sqlServer">
        select isnull(count(*), 0)        count,
               isnull(max(message_id), 0) maxId
        FROM sys_message
        WHERE receive_user_id = #{userId}
          and is_read = '0'
    </select>
</mapper>