ThreeGamesBackEnd/games/src/main/java/com/api/games/dao/mapper/GameAnswerMapper.xml

<?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.api.games.dao.GameAnswerMapper">
  <resultMap id="BaseResultMap" type="com.api.games.model.GameAnswer">
    <!--
      WARNING - @mbg.generated
    -->
    <id column="id" jdbcType="BIGINT" property="id" />
    <result column="game_log_id" jdbcType="BIGINT" property="gameLogId" />
    <result column="answer" jdbcType="INTEGER" property="answer" />
    <result column="correct" jdbcType="INTEGER" property="correct" />
    <result column="reaction" jdbcType="DECIMAL" property="reaction" />
    <result column="show_num" jdbcType="INTEGER" property="showNum" />
  </resultMap>

    <select id="getAvgReaction" resultType="float">
        SELECT avg(reaction) FROM game_answer where game_log_id = #{id} and reaction > 0;
    </select>

    <select id="listByGameIdNew" resultMap="BaseResultMap">
        select * from game_answer where game_log_id =#{id}
    </select>

    <select id="listByGameId" resultType="com.api.common.mybatis.ResultMap">
        SELECT *  fROM (select * from game_answer where game_log_id =#{id}) a
         left join game_log gl on (gl.id = a.game_log_id)
         left join sys_user sy on (sy.id = gl.user_id)
         left join user_config uc on (uc.user_id = gl.user_id)

    </select>
    <select id="statistics" resultType="com.api.common.mybatis.ResultMap">
        SELECT sum(case when answer=a.correct=show_num then 1 else 0 end)/count(*) as correctRate,avg(a.reaction) avg_reaction
        fROM  game_answer as a
        left join game_log gl on (gl.id = a.game_log_id)
        left join sys_user sy on (sy.id = gl.user_id)
        left join user_config uc on (uc.user_id = gl.user_id)
          where 1=1
          <if test="gameId !=null">
           and game_log_id =#{gameId}
          </if>
            <if test="nickname!=null and nickname!=''">
                and sy.nickname = #{nickname}
            </if>
            <if test="startTime!=null and startTime!=''">
                and date(start_time) = #{startTime}
            </if>
            <if test="sign!=null and sign!=''">
                and sign = #{sign}
            </if>
            <if test="version!=null and version!=''">
                and version = #{version}
            </if>
            <if test="schedule!=null and schedule!=''">
                and schedule = #{schedule}
            </if>

    </select>
    <select id="list" resultType="com.api.common.mybatis.ResultMap">
       SELECT *,gl.id as gid  fROM (select * from game_answer) a
         left join game_log gl on (gl.id = a.game_log_id)
         left join sys_user sy on (sy.id = gl.user_id)
         left join user_config uc on (uc.user_id = gl.user_id)
        where 1=1
        <if test="params.nickname!=null and params.nickname!=''">
            and sy.nickname = #{params.nickname}
        </if>
        <if test="params.gameId !=null">
            and game_log_id =#{gameId}
        </if>
        <if test="params.startTime!=null and params.startTime!=''">
            and date(start_time) = #{params.startTime}
        </if>
        <if test="params.sign!=null and params.sign!=''">
            and sign = #{params.sign}
        </if>
        <if test="params.version!=null and params.version!=''">
            and version = #{params.version}
        </if>
        <if test="params.schedule!=null and params.schedule!=''">
            and schedule = #{params.schedule}
        </if>
        order by 1
        <if test="order.nickname!=null and order.nickname!=''">
            ,sy.nickname ${order.nickname}
        </if>
        <if test="order.startTime!=null and order.startTime!=''">
            ,start_time ${order.startTime}
        </if>
        <if test="order.endTime!=null and order.endTime!=''">
            ,end_time ${order.endTime}
        </if>
        <if test="order.version!=null and order.version!=''">
            ,version ${order.version}
        </if>
        <if test="order.sign!=null and order.sign!=''">
            ,sign ${order.sign}
        </if>
    </select>
</mapper>