<?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.panzhihua.service_equipment.dao.UnionOpenDoorMapper">
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<select id="getUserLastOpenDoorMinutesDiff" resultType="java.lang.Integer">
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SELECT TIMESTAMPDIFF(MINUTE, (
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SELECT MAX(create_at)
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FROM union_open_door
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WHERE user_id = #{userId}
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), NOW()) AS minutes_diff
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FROM union_open_door
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WHERE user_id = #{userId}
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ORDER BY create_at DESC
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LIMIT 1;
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</select>
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</mapper>
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