am.ik.blog.entry.CategoryMapper.xml Maven / Gradle / Ivy

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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="am.ik.blog.entry.CategoryMapper">
    <select id="findConcatenatedCategoryLikeCategoryName" resultType="string">
        <bind name="condition" value="categoryName.concat('%')"/>
        SELECT DISTINCT GROUP_CONCAT(DISTINCT category_name ORDER BY category_order ASC SEPARATOR ',') category
        FROM category
        GROUP BY entry_id
        HAVING category LIKE #{condition}
        ORDER BY category
    </select>
</mapper>