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  • Clickhouse 创建分布式表

    分布表包括逻辑表和物理表,,逻辑表就是表机构用于查询,物理表是实际存储数据的

    drop table  if exists o_vehicle_data_pre_charging_u_t ON CLUSTER 'ck_uat';
    
    -- auto-generated definition 物理表
    create table tdp_main.o_vehicle_data_pre_charging_u_t
        ON CLUSTER 'ck_uat'
    (
        vin                String,
        tenantId           Nullable(String),
        tboxType           Nullable(String),
        sendType           Nullable(String),
        batteryVoltageData Nullable(String),
        batteryTempData    Nullable(String),
        collectTime        String,
        receiveTime        Nullable(String),
        chargingStatus     Nullable(String),
        totalCurrent       Nullable(String),
        batterySoc         Nullable(String),
        maxTemp            Nullable(String),
        minTemp            Nullable(String),
        totalDistance      Nullable(String),
        maxCellVoltage     Nullable(String),
        minCellVoltage     Nullable(String),
        createTime         Nullable(String)
    )
        engine = ReplicatedMergeTree('/clickhouse/tables/o_vehicle_data_pre_charging_u_t/{layer}/{shard}', '{replica}')
            ORDER BY (vin, collectTime)
            SETTINGS index_granularity = 8192;
    
    drop table if exists o_vehicle_data_pre_charging_u_d_c ON CLUSTER 'ck_uat';
    -- auto-generated definition 逻辑表
    create table o_vehicle_data_pre_charging_u_d_c
    (
        vin                String,
        tenantId           Nullable(String),
        tboxType           Nullable(String),
        sendType           Nullable(String),
        batteryVoltageData Nullable(String),
        batteryTempData    Nullable(String),
        collectTime        String,
        receiveTime        Nullable(String),
        chargingStatus     Nullable(String),
        totalCurrent       Nullable(String),
        batterySoc         Nullable(String),
        maxTemp            Nullable(String),
        minTemp            Nullable(String),
        totalDistance      Nullable(String),
        maxCellVoltage     Nullable(String),
        minCellVoltage     Nullable(String),
        createTime         Nullable(String)
    )
        engine = Distributed('ck_uat', 'tdp_main', 'o_vehicle_data_pre_charging_u_t', rand());
    

      

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  • 原文地址:https://www.cnblogs.com/irobotzz/p/15268972.html
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