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+<?xml version="1.0" encoding="UTF-8" ?>
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+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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+<mapper namespace="com.ym.mec.biz.dal.dao.StudentCompetitionDao">
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+
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+ <resultMap type="com.ym.mec.biz.dal.entity.StudentCompetition" id="StudentCompetition">
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+ <result column="id_" property="id" />
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+ <result column="user_id_" property="userId" />
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+ <result column="username_" property="username" />
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+ <result column="id_card_no_" property="idCardNo" />
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+ <result column="age_" property="age" />
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+ <result column="gender_" property="gender" />
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+ <result column="grade_" property="grade" />
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+ <result column="subject_" property="subject" />
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+ <result column="chapter_" property="chapter" />
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+ <result column="picture_url_" property="pictureUrl" />
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+ <result column="video_url_" property="videoUrl" />
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+ <result column="score_" property="score" />
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+ <result column="prize_level_" property="prizeLevel" />
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+ <result column="is_show_" property="isShow" />
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+ <result column="comment_" property="comment" />
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+ <result column="create_time_" property="createTime" />
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+ <result column="update_time_" property="updateTime" />
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+ </resultMap>
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+
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+ <!-- 根据主键查询一条记录 -->
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+ <select id="get" resultMap="StudentCompetition" >
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+ SELECT * FROM student_competition WHERE id_ = #{id}
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+ </select>
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+
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+ <!-- 全查询 -->
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+ <select id="findAll" resultMap="StudentCompetition">
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+ SELECT * FROM student_competition ORDER BY id_
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+ </select>
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+
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+ <!-- 向数据库增加一条记录 -->
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+ <insert id="insert" parameterType="com.ym.mec.biz.dal.entity.StudentCompetition" useGeneratedKeys="true" keyColumn="id" keyProperty="id">
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+ <!--
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+ <selectKey resultClass="int" keyProperty="id" >
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+ SELECT SEQ_WSDEFINITION_ID.nextval AS ID FROM DUAL
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+ </selectKey>
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+ -->
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+ INSERT INTO student_competition (id_,user_id_,username_,id_card_no_,age_,gender_,grade_,subject_,chapter_,picture_url_,video_url_,score_,prize_level_,is_show_,comment_,create_time_,update_time_)
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+ VALUES(#{id},#{userId},#{username},#{idCardNo},#{age},#{gender},#{grade},#{subject},#{chapter},#{pictureUrl},#{videoUrl},#{score},#{prizeLevel},#{isShow},#{comment},NOW(),NOW())
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+ </insert>
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+
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+ <!-- 根据主键查询一条记录 -->
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+ <update id="update" parameterType="com.ym.mec.biz.dal.entity.StudentCompetition">
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+ UPDATE student_competition <set>
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+ <if test="isShow != null">
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+ is_show_ = #{isShow},
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+ </if>
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+ <if test="id != null">
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+ id_ = #{id},
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+ </if>
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+ <if test="gender != null">
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+ gender_ = #{gender},
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+ </if>
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+ <if test="score != null">
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+ score_ = #{score},
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+ </if>
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+ <if test="prizeLevel != null">
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+ prize_level_ = #{prizeLevel},
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+ </if>
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+ <if test="age != null">
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+ age_ = #{age},
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+ </if>
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+ <if test="videoUrl != null">
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+ video_url_ = #{videoUrl},
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+ </if>
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+ <if test="username != null">
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+ username_ = #{username},
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+ </if>
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+ <if test="chapter != null">
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+ chapter_ = #{chapter},
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+ </if>
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+ <if test="userId != null">
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+ user_id_ = #{userId},
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+ </if>
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+ <if test="subject != null">
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+ subject_ = #{subject},
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+ </if>
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+ <if test="comment != null">
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+ comment_ = #{comment},
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+ </if>
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+ <if test="pictureUrl != null">
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+ picture_url_ = #{pictureUrl},
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+ </if>
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+ <if test="idCardNo != null">
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+ id_card_no_ = #{idCardNo},
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+ </if>
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+ <if test="grade != null">
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+ grade_ = #{grade},
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+ </if>
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+ update_time_ = NOW()
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+ </set> WHERE id_ = #{id}
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+ </update>
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+
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+ <!-- 根据主键删除一条记录 -->
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+ <delete id="delete" >
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+ DELETE FROM student_competition WHERE id_ = #{id}
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+ </delete>
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+
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+ <!-- 分页查询 -->
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+ <select id="queryPage" resultMap="StudentCompetition" parameterType="map">
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+ SELECT * FROM student_competition ORDER BY id_ <include refid="global.limit"/>
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+ </select>
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+
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+ <!-- 查询当前表的总记录数 -->
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+ <select id="queryCount" resultType="int">
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+ SELECT COUNT(*) FROM student_competition
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+ </select>
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+
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+ <sql id="queryStudentCondition">
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+ <where>
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+ <if test="grade!=null">
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+ AND grade_=#{grade}
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+ </if>
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+ <if test="gender!=null">
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+ AND gender_=#{gender}
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+ </if>
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+ <if test="subject != null and subject != ''">
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+ AND subject_=#{subject}
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+ </if>
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+ <if test="prizeLevel!=null">
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+ AND prize_level_=#{prizeLevel}
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+ </if>
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+ <if test="isShow!=null">
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+ AND is_show_=#{isShow}
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+ </if>
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+ <if test="isReview!=null and isReview==0">
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+ AND score_ IS NULL
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+ </if>
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+ <if test="isReview!=null and isReview==1">
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+ AND score_ IS NOT NULL
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+ </if>
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+ <if test="search!=null and search!=''">
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+ AND (CAST(age_ AS CHAR)=#{search} OR CAST(user_id_ AS CHAR)=#{search} OR username_ LIKE CONCAT('%', #{search}, '%') OR id_card_no_ LIKE CONCAT('%', #{search}, '%'))
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+ </if>
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+ </where>
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+ </sql>
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+
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+ <select id="queryStudentCompetitions" resultMap="StudentCompetition">
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+ SELECT
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+ id_,
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+ user_id_,
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+ username_,
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+ id_card_no_,
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+ age_,
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+ gender_,
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+ grade_,
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+ subject_,
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+ chapter_,
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+ picture_url_,
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+ video_url_,
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+ CASE WHEN score_ IS NULL THEN -1 ELSE score_ END score_,
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+ CASE WHEN prize_level_ IS NULL THEN -1 ELSE prize_level_ END prize_level_,
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+ is_show_,
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+ comment_,
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+ create_time_,
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+ update_time_
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+ FROM student_competition
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+ <include refid="queryStudentCondition"/>
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+ ORDER BY id_ DESC
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+ <include refid="global.limit"/>
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+ </select>
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+ <select id="countStudentCompetitions" resultType="int">
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+ SELECT COUNT(*) FROM student_competition
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+ <include refid="queryStudentCondition"/>
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+ </select>
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+
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+ <select id="getWinnerList" resultMap="StudentCompetition">
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+ SELECT * FROM student_competition WHERE is_show_ = 1
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+ ORDER BY ISNULL(prize_level_),prize_level_,ISNULL(score_),score_ DESC
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+ </select>
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+
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+ <select id="getCompetitionWithUser" resultMap="StudentCompetition">
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+ SELECT * FROM student_competition WHERE user_id_ = #{userId}
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+ </select>
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+
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+ <select id="getCompetitionsWithPrizeLevel" resultType="long">
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+ SELECT id_ FROM student_competition WHERE prize_level_ = #{prizeLevel} FOR UPDATE
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+ </select>
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+</mapper>
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