36 lines
1.5 KiB
XML
36 lines
1.5 KiB
XML
<?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="io.spring.application.ArticleFavoritesQueryService">
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<select id="isUserFavorite" resultType="java.lang.Boolean">
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select count(1) from article_favorites where user_id = #{userId} and article_id = #{articleId}
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</select>
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<select id="articleFavoriteCount" resultType="java.lang.Integer">
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select count(1) from article_favorites where article_id = #{articleId}
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</select>
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<select id="articlesFavoriteCount" resultMap="favoriteCount">
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select A.id, count(AF.user_id) as favoriteCount from articles A
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left join article_favorites AF on A.id = AF.article_id
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where id in
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<foreach collection="ids" item="item" separator="," open="(" close=")">
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#{item}
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</foreach>
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group by A.id
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</select>
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<select id="userFavorites" resultType="java.lang.String">
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select
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A.id
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from articles A
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left join article_favorites AF on A.id = AF.article_id
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where id in
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<foreach collection="ids" item="item" separator="," open="(" close=")">
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#{item}
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</foreach>
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and AF.user_id = #{currentUser.id}
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</select>
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<resultMap id="favoriteCount" type="io.spring.application.ArticleFavoriteCount">
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<id column="id" property="id"/>
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<result column="favoriteCount" property="count"/>
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</resultMap>
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</mapper> |