<?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="xiaozhi.modules.device.dao.DeviceDao">
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<!-- 获取此智能体全部设备的最后连接时间 -->
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<select id="getAllLastConnectedAtByAgentId" resultType="java.util.Date">
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SELECT last_connected_at FROM ai_device
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WHERE
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agent_id = #{agentId}
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order by
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last_connected_at desc limit 0,1
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</select>
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</mapper>
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