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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="net.lab1024.sa.admin.module.letter.dao.LetterDao">
<!-- 查询结果列 -->
<sql id="base_columns">
t_letter.letter_id,
t_letter.notice_id,
t_letter.sort,
t_letter.disabled_flag,
t_letter.deleted_flag,
t_letter.user_id,
t_letter.update_time,
t_letter.create_time
</sql>
<!-- 分页查询 -->
<select id="queryPage" resultType="net.lab1024.sa.admin.module.letter.domain.vo.LetterVO">
SELECT
<include refid="base_columns"/>
FROM t_letter
</select>
<select id="isLetter" resultType="java.lang.Integer">
SELECT
COUNT(1)
FROM t_letter
WHERE t_letter.user_id = #{userId}
AND t_letter.create_time >= DATE_SUB(CURDATE(), INTERVAL 1 YEAR)
</select>
</mapper>