server/yudao-module-iot/yudao-module-iot-biz/src/main/resources/mapper/device/IotDeviceLogDataMapper.xml

<?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="cn.iocoder.yudao.module.iot.dal.tdengine.IotDeviceLogDataMapper">

    <!-- 创建设备日志超级表   初始化只创建一次-->
    <update id="createDeviceLogSTable">
        CREATE STABLE device_log (
            ts TIMESTAMP,
            id NCHAR(50),
            product_key NCHAR(50),
            type NCHAR(50),
            <!-- TODO @super：下划线 sub_type -->
            subType NCHAR(50),
            content NCHAR(1024),
            report_time TIMESTAMP
            ) TAGS (
                device_key NCHAR(50)
            )
    </update>

    <!-- 创建设备日志子表  讨论：TDengine 在子表不存在的情况下 可在数据插入时 自动建表  要不要去掉创建子表的逻辑  由第一次插入数据时自动创建-->
    <update id="createDeviceLogTable">
        CREATE TABLE device_log_${deviceKey} USING device_log TAGS('${deviceKey}')
    </update>

    <!-- 插入设备日志数据 在子表不存在的情况下 可在数据插入时 自动建表 -->
    <insert id="insert">
        INSERT INTO device_log_${log.deviceKey} (ts, id, product_key, type, subType, content, report_time)
        USING device_log
        TAGS ('${log.deviceKey}')
        VALUES (
            #{log.ts},
            #{log.id},
            #{log.productKey},
            #{log.type},
            #{log.subType},
            #{log.content},
            #{log.reportTime}
        )
    </insert>

    <select id="selectPage" resultType="cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceLogDO">
        SELECT ts, id, device_key, product_key, type, subType, content, report_time
        FROM device_log_${reqVO.deviceKey}
        <where>
            <if test="reqVO.type != null and reqVO.type != ''">
                AND type = #{reqVO.type}
            </if>
            <if test="reqVO.subType != null and reqVO.subType != ''">
                AND subType = #{reqVO.subType}
            </if>
            <if test="reqVO.createTime != null">
                AND ts BETWEEN #{reqVO.createTime[0]} AND #{reqVO.createTime[1]}
            </if>
        </where>
        ORDER BY ts DESC
        LIMIT #{reqVO.pageSize} OFFSET #{reqVO.pageNo}
    </select>

    <select id="selectCount" resultType="Long">
        SELECT COUNT(*)
        FROM device_log_${reqVO.deviceKey}
        <where>
            <if test="reqVO.type != null and reqVO.type != ''">
                AND type = #{reqVO.type}
            </if>
            <if test="reqVO.subType != null and reqVO.subType != ''">
                AND subType = #{reqVO.subType}
            </if>
            <if test="reqVO.createTime != null">
                AND ts BETWEEN #{reqVO.createTime[0]} AND #{reqVO.createTime[1]}
            </if>
        </where>
    </select>

</mapper>