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  • 项目实战从0到1之hive(28)数仓项目(九)数仓搭建-DWT 层

    2.1 设备主题宽表


    1)建表语句

    drop table if exists dwt_uv_topic;
    create external table dwt_uv_topic
    (
    `mid_id` string COMMENT '设备唯一标识',
    `user_id` string COMMENT '用户标识',
    `version_code` string COMMENT '程序版本号',
    `version_name` string COMMENT '程序版本名',
    `lang` string COMMENT '系统语言',
    `source` string COMMENT '渠道号',
    `os` string COMMENT '安卓系统版本',
    `area` string COMMENT '区域',
    `model` string COMMENT '手机型号',
    `brand` string COMMENT '手机品牌',
    `sdk_version` string COMMENT 'sdkVersion',
    `gmail` string COMMENT 'gmail',
    `height_width` string COMMENT '屏幕宽高',
    `app_time` string COMMENT '客户端日志产生时的时间',
    `network` string COMMENT '网络模式',
    `lng` string COMMENT '经度',
    `lat` string COMMENT '纬度',
    `login_date_first` string comment '首次活跃时间',
    `login_date_last` string comment '末次活跃时间',
    `login_day_count` bigint comment '当日活跃次数',
    `login_count` bigint comment '累积活跃天数'
    )
    stored as parquet
    location '/warehouse/gmall/dwt/dwt_uv_topic';

    2)数据装载

    insert overwrite table dwt_uv_topic
    select
    nvl(new.mid_id,old.mid_id),
    nvl(new.user_id,old.user_id),
    nvl(new.version_code,old.version_code),
    nvl(new.version_name,old.version_name),
    nvl(new.lang,old.lang),
    nvl(new.source,old.source),
    nvl(new.os,old.os),
    nvl(new.area,old.area),
    nvl(new.model,old.model),
    nvl(new.brand,old.brand),
    nvl(new.sdk_version,old.sdk_version),
    nvl(new.gmail,old.gmail),
    nvl(new.height_width,old.height_width),
    nvl(new.app_time,old.app_time),
    nvl(new.network,old.network),
    nvl(new.lng,old.lng),
    nvl(new.lat,old.lat),
    if(old.mid_id is null,'2020-03-10',old.login_date_first),
    if(new.mid_id is not null,'2020-03-10',old.login_date_last),
    if(new.mid_id is not null, new.login_count,0),
    nvl(old.login_count,0)+if(new.login_count>0,1,0)
    from
    (
    select
    *
    from dwt_uv_topic
    )old
    full outer join
    (
    select
    *
    from dws_uv_detail_daycount
    where dt='2020-03-10'
    )new
    on old.mid_id=new.mid_id;

    3)查询加载结果

    select * from dwt_uv_topic limit 5;

    2.2 会员主题宽表
    宽表字段怎么来?维度关联的事实表度量值+开头、结尾+累积+累积一个时间段




    1)建表语句

    drop table if exists dwt_user_topic;
    create external table dwt_user_topic
    (
    user_id string comment '用户 id',
    login_date_first string comment '首次登录时间',
    login_date_last string comment '末次登录时间',
    login_count bigint comment '累积登录天数',
    login_last_30d_count bigint comment '最近 30 日登录天数',
    order_date_first string comment '首次下单时间',
    order_date_last string comment '末次下单时间',
    order_count bigint comment '累积下单次数',
    order_amount decimal(16,2) comment '累积下单金额',
    order_last_30d_count bigint comment '最近 30 日下单次数',
    order_last_30d_amount bigint comment '最近 30 日下单金额',
    payment_date_first string comment '首次支付时间',
    payment_date_last string comment '末次支付时间',
    payment_count decimal(16,2) comment '累积支付次数',
    payment_amount decimal(16,2) comment '累积支付金额',
    payment_last_30d_count decimal(16,2) comment '最近 30 日支付次数',
    payment_last_30d_amount decimal(16,2) comment '最近 30 日支付金额'
    )COMMENT '用户主题宽表'
    stored as parquet
    location '/warehouse/gmall/dwt/dwt_user_topic/'
    tblproperties ("parquet.compression"="lzo");

    3)查询加载结果

    select * from dwt_user_topic limit 5;

    2.3 商品主题宽表
    1)建表语句

    create external table dwt_sku_topic
    (
    sku_id string comment 'sku_id',
    spu_id string comment 'spu_id',
    order_last_30d_count bigint comment '最近 30 日被下单次数',
    order_last_30d_num bigint comment '最近 30 日被下单件数',
    order_last_30d_amount decimal(16,2) comment '最近 30 日被下单金额',
    order_count bigint comment '累积被下单次数',
    order_num bigint comment '累积被下单件数',
    order_amount decimal(16,2) comment '累积被下单金额',
    payment_last_30d_count bigint comment '最近 30 日被支付次数',
    payment_last_30d_num bigint comment '最近 30 日被支付件数',
    payment_last_30d_amount decimal(16,2) comment '最近 30 日被支付金额',
    payment_count bigint comment '累积被支付次数',
    payment_num bigint comment '累积被支付件数',
    payment_amount decimal(16,2) comment '累积被支付金额',
    refund_last_30d_count bigint comment '最近三十日退款次数',
    refund_last_30d_num bigint comment '最近三十日退款件数',
    refund_last_30d_amount decimal(10,2) comment '最近三十日退款金额',
    refund_count bigint comment '累积退款次数',
    refund_num bigint comment '累积退款件数',
    refund_amount decimal(10,2) comment '累积退款金额',
    cart_last_30d_count bigint comment '最近 30 日被加入购物车次数',
    cart_last_30d_num bigint comment '最近 30 日被加入购物车件数',
    cart_count bigint comment '累积被加入购物车次数',
    cart_num bigint comment '累积被加入购物车件数',
    favor_last_30d_count bigint comment '最近 30 日被收藏次数',
    favor_count bigint comment '累积被收藏次数',
    appraise_last_30d_good_count bigint comment '最近 30 日好评数',
    appraise_last_30d_mid_count bigint comment '最近 30 日中评数',
    appraise_last_30d_bad_count bigint comment '最近 30 日差评数',
    appraise_last_30d_default_count bigint comment '最近 30 日默认评价数',
    appraise_good_count bigint comment '累积好评数',
    appraise_mid_count bigint comment '累积中评数',
    appraise_bad_count bigint comment '累积差评数',
    appraise_default_count bigint comment '累积默认评价数'
    )COMMENT '商品主题宽表'
    stored as parquet
    location '/warehouse/gmall/dwt/dwt_sku_topic/'
    tblproperties ("parquet.compression"="lzo");

    2)数据装载

    insert overwrite table dwt_sku_topic
    select
    nvl(new.sku_id,old.sku_id), sku_info.spu_id,
    nvl(new.order_count30,0),
    nvl(new.order_num30,0),
    nvl(new.order_amount30,0),
    nvl(old.order_count,0) + nvl(new.order_count,0),
    nvl(old.order_num,0) + nvl(new.order_num,0),
    nvl(old.order_amount,0) + nvl(new.order_amount,0),
    nvl(new.payment_count30,0),
    nvl(new.payment_num30,0),
    nvl(new.payment_amount30,0),
    nvl(old.payment_count,0) + nvl(new.payment_count,0),
    nvl(old.payment_num,0) + nvl(new.payment_count,0),
    nvl(old.payment_amount,0) + nvl(new.payment_count,0),
    nvl(new.refund_count30,0),
    nvl(new.refund_num30,0),
    nvl(new.refund_amount30,0),
    nvl(old.refund_count,0) + nvl(new.refund_count,0),
    nvl(old.refund_num,0) + nvl(new.refund_num,0),
    nvl(old.refund_amount,0) + nvl(new.refund_amount,0),
    nvl(new.cart_count30,0),
    nvl(new.cart_num30,0),
    nvl(old.cart_count,0) + nvl(new.cart_count,0),
    nvl(old.cart_num,0) + nvl(new.cart_num,0),
    nvl(new.favor_count30,0),
    nvl(old.favor_count,0) + nvl(new.favor_count,0),
    nvl(new.appraise_good_count30,0),
    nvl(new.appraise_mid_count30,0),
    nvl(new.appraise_bad_count30,0),
    nvl(new.appraise_default_count30,0) ,
    nvl(old.appraise_good_count,0) + nvl(new.appraise_good_count,0),
    nvl(old.appraise_mid_count,0) + nvl(new.appraise_mid_count,0),
    nvl(old.appraise_bad_count,0) + nvl(new.appraise_bad_count,0),
    nvl(old.appraise_default_count,0) + nvl(new.appraise_default_count,0)
    from
    (
    select
    sku_id,
    spu_id,
    order_last_30d_count,
    order_last_30d_num,
    order_last_30d_amount,
    order_count,
    order_num,
    order_amount ,
    payment_last_30d_count,
    payment_last_30d_num,
    payment_last_30d_amount,
    payment_count,
    payment_num,
    payment_amount,
    refund_last_30d_count,
    refund_last_30d_num,
    refund_last_30d_amount,
    refund_count,
    refund_num,
    refund_amount,
    cart_last_30d_count,
    cart_last_30d_num,
    cart_count,
    cart_num,
    favor_last_30d_count,
    favor_count,
    appraise_last_30d_good_count,
    appraise_last_30d_mid_count,
    appraise_last_30d_bad_count,
    appraise_last_30d_default_count,
    appraise_good_count,
    appraise_mid_count,
    appraise_bad_count,
    appraise_default_count
    from dwt_sku_topic
    )old
    full outer join
    (
    select
    sku_id,
    sum(if(dt='2020-03-10', order_count,0 )) order_count,
    sum(if(dt='2020-03-10',order_num ,0 )) order_num,
    sum(if(dt='2020-03-10',order_amount,0 )) order_amount ,
    sum(if(dt='2020-03-10',payment_count,0 )) payment_count,
    sum(if(dt='2020-03-10',payment_num,0 )) payment_num,
    sum(if(dt='2020-03-10',payment_amount,0 )) payment_amount,
    sum(if(dt='2020-03-10',refund_count,0 )) refund_count,
    sum(if(dt='2020-03-10',refund_num,0 )) refund_num,
    sum(if(dt='2020-03-10',refund_amount,0 )) refund_amount,
    sum(if(dt='2020-03-10',cart_count,0 )) cart_count,
    sum(if(dt='2020-03-10',cart_num,0 )) cart_num,
    sum(if(dt='2020-03-10',favor_count,0 )) favor_count,
    sum(if(dt='2020-03-10',appraise_good_count,0 )) appraise_good_count,
    sum(if(dt='2020-03-10',appraise_mid_count,0 ) ) appraise_mid_count ,
    sum(if(dt='2020-03-10',appraise_bad_count,0 )) appraise_bad_count,
    sum(if(dt='2020-03-10',appraise_default_count,0 )) appraise_default_count,
    sum(order_count) order_count30 ,
    sum(order_num) order_num30,
    sum(order_amount) order_amount30,
    sum(payment_count) payment_count30,
    sum(payment_num) payment_num30,
    sum(payment_amount) payment_amount30,
    sum(refund_count) refund_count30,
    sum(refund_num) refund_num30,
    sum(refund_amount) refund_amount30,
    sum(cart_count) cart_count30,
    sum(cart_num) cart_num30,
    sum(favor_count) favor_count30,
    sum(appraise_good_count) appraise_good_count30,
    sum(appraise_mid_count) appraise_mid_count30,
    sum(appraise_bad_count) appraise_bad_count30,
    sum(appraise_default_count) appraise_default_count30
    from dws_sku_action_daycount
    where dt >= date_add ('2020-03-10', -30)
    group by sku_id
    )new
    on new.sku_id = old.sku_id
    left join
    (select * from dwd_dim_sku_info where dt='2020-03-10') sku_info
    on nvl(new.sku_id,old.sku_id)= sku_info.id;

    3)查询加载结果

    select * from dwt_sku_topic limit 5;

    2.4 DWT 层数据导入脚本
    1)vim dws_to_dwt.sh
    在脚本中填写如下内容

    #!/bin/bash
    APP=gmall
    hive=/opt/modules/hive/bin/hive
    # 如果是输入的日期按照取输入日期;如果没输入日期取当前时间的前一天
    if [ -n "$1" ] ;then
    do_date=$1
    else
    do_date=`date -d "-1 day" +%F`
    fi
    sql="
    insert overwrite table ${APP}.dwt_uv_topic
    select
    nvl(new.mid_id,old.mid_id),
    nvl(new.user_id,old.user_id),
    nvl(new.version_code,old.version_code),
    nvl(new.version_name,old.version_name),
    nvl(new.lang,old.lang),
    nvl(new.source,old.source),
    nvl(new.os,old.os),
    nvl(new.area,old.area),
    nvl(new.model,old.model),
    nvl(new.brand,old.brand),
    nvl(new.sdk_version,old.sdk_version),
    nvl(new.gmail,old.gmail),
    nvl(new.height_width,old.height_width),
    nvl(new.app_time,old.app_time),
    nvl(new.network,old.network),
    nvl(new.lng,old.lng),
    nvl(new.lat,old.lat),
    nvl(old.login_date_first,'$do_date'),
    if(new.login_count>0,'$do_date',old.login_date_last),
    nvl(new.login_count,0),
    nvl(new.login_count,0)+nvl(old.login_count,0)
    from
    (
    select
    *
    from ${APP}.dwt_uv_topic
    )old
    full outer join
    (
    select
    *
    from ${APP}.dws_uv_detail_daycount
    where dt='$do_date'
    )new
    on old.mid_id=new.mid_id;
    
    
    insert overwrite table ${APP}.dwt_user_topic
    select
    nvl(new.user_id,old.user_id),
    if(old.login_date_first is null and
    new.login_count>0,'$do_date',old.login_date_first),
    if(new.login_count>0,'$do_date',old.login_date_last),
    nvl(old.login_count,0)+if(new.login_count>0,1,0),
    nvl(new.login_last_30d_count,0),
    if(old.order_date_first is null and
    new.order_count>0,'$do_date',old.order_date_first),
    if(new.order_count>0,'$do_date',old.order_date_last),
    nvl(old.order_count,0)+nvl(new.order_count,0),
    nvl(old.order_amount,0)+nvl(new.order_amount,0),
    nvl(new.order_last_30d_count,0),
    nvl(new.order_last_30d_amount,0),
    if(old.payment_date_first is null and
    new.payment_count>0,'$do_date',old.payment_date_first),
    if(new.payment_count>0,'$do_date',old.payment_date_last),
    nvl(old.payment_count,0)+nvl(new.payment_count,0),
    nvl(old.payment_amount,0)+nvl(new.payment_amount,0),
    nvl(new.payment_last_30d_count,0),
    nvl(new.payment_last_30d_amount,0)
    from
    (
    select
    *
    from ${APP}.dwt_user_topic
    )old
    full outer join
    (
    select
    user_id,
    sum(if(dt='$do_date',login_count,0)) login_count,
    sum(if(dt='$do_date',order_count,0)) order_count,
    sum(if(dt='$do_date',order_amount,0)) order_amount,
    sum(if(dt='$do_date',payment_count,0)) payment_count,
    sum(if(dt='$do_date',payment_amount,0)) payment_amount,
    sum(if(order_count>0,1,0)) login_last_30d_count,
    sum(order_count) order_last_30d_count,
    sum(order_amount) order_last_30d_amount,
    sum(payment_count) payment_last_30d_count,
    sum(payment_amount) payment_last_30d_amount
    from ${APP}.dws_user_action_daycount
    where dt>=date_add( '$do_date',-30)
    group by user_id
    )new
    on old.user_id=new.user_id;
    with
    sku_act as
    (
    select
    sku_id,
    sum(if(dt='$do_date', order_count,0 )) order_count,
    sum(if(dt='$do_date',order_num ,0 )) order_num,
    sum(if(dt='$do_date',order_amount,0 )) order_amount ,
    sum(if(dt='$do_date',payment_count,0 )) payment_count,
    sum(if(dt='$do_date',payment_num,0 )) payment_num,
    sum(if(dt='$do_date',payment_amount,0 )) payment_amount,
    sum(if(dt='$do_date',refund_count,0 )) refund_count,
    sum(if(dt='$do_date',refund_num,0 )) refund_num,
    sum(if(dt='$do_date',refund_amount,0 )) refund_amount,
    sum(if(dt='$do_date',cart_count,0 )) cart_count,
    sum(if(dt='$do_date',cart_num,0 )) cart_num,
    sum(if(dt='$do_date',favor_count,0 )) favor_count,
    sum(if(dt='$do_date',appraise_good_count,0 )) appraise_good_count,
    sum(if(dt='$do_date',appraise_mid_count,0 ) ) appraise_mid_count ,
    sum(if(dt='$do_date',appraise_bad_count,0 )) appraise_bad_count,
    sum(if(dt='$do_date',appraise_default_count,0 )) appraise_default_count,
    sum( order_count ) order_count30 ,
    sum( order_num ) order_num30,
    sum(order_amount ) order_amount30,
    sum(payment_count ) payment_count30,
    sum(payment_num ) payment_num30,
    sum(payment_amount ) payment_amount30,
    sum(refund_count ) refund_count30,
    sum(refund_num ) refund_num30,
    sum(refund_amount ) refund_amount30,
    sum(cart_count ) cart_count30,
    sum(cart_num ) cart_num30,
    sum(favor_count ) favor_count30,
    sum(appraise_good_count ) appraise_good_count30,
    sum(appraise_mid_count ) appraise_mid_count30,
    sum(appraise_bad_count ) appraise_bad_count30,
    sum(appraise_default_count ) appraise_default_count30
    from ${APP}.dws_sku_action_daycount
    where dt>=date_add ( '$do_date',-30)
    group by sku_id
    ),
    sku_topic
    as
    (
    select
    sku_id,
    spu_id,
    order_last_30d_count,
    order_last_30d_num,
    order_last_30d_amount,
    order_count,
    order_num,
    order_amount ,
    payment_last_30d_count,
    payment_last_30d_num,
    payment_last_30d_amount,
    payment_count,
    payment_num,
    payment_amount,
    refund_last_30d_count,
    refund_last_30d_num,
    refund_last_30d_amount ,
    refund_count ,
    refund_num ,
    refund_amount ,
    cart_last_30d_count ,
    cart_last_30d_num ,
    cart_count ,
    cart_num ,
    favor_last_30d_count ,
    favor_count ,
    appraise_last_30d_good_count ,
    appraise_last_30d_mid_count ,
    appraise_last_30d_bad_count ,
    appraise_last_30d_default_count ,
    appraise_good_count ,
    appraise_mid_count ,
    appraise_bad_count ,
    appraise_default_count
    from ${APP}.dwt_sku_topic
    )
    
    
    insert overwrite table ${APP}.dwt_sku_topic
    select
    nvl(sku_act.sku_id,sku_topic.sku_id) ,
    sku_info.spu_id,
    nvl (sku_act.order_count30,0) ,
    nvl (sku_act.order_num30,0) ,
    nvl (sku_act.order_amount30,0) ,
    nvl(sku_topic.order_count,0)+ nvl (sku_act.order_count,0) ,
    nvl(sku_topic.order_num,0)+ nvl (sku_act.order_num,0) ,
    nvl(sku_topic.order_amount,0)+ nvl (sku_act.order_amount,0),
    nvl (sku_act.payment_count30,0),
    nvl (sku_act.payment_num30,0),
    nvl (sku_act.payment_amount30,0),
    nvl(sku_topic.payment_count,0)+ nvl (sku_act.payment_count,0) ,
    nvl(sku_topic.payment_num,0)+ nvl (sku_act.payment_count,0) ,
    nvl(sku_topic.payment_amount,0)+ nvl (sku_act.payment_count,0) ,
    nvl (refund_count30,0),
    nvl (sku_act.refund_num30,0),
    nvl (sku_act.refund_amount30,0),
    nvl(sku_topic.refund_count,0)+ nvl (sku_act.refund_count,0),
    nvl(sku_topic.refund_num,0)+ nvl (sku_act.refund_num,0),
    nvl(sku_topic.refund_amount,0)+ nvl (sku_act.refund_amount,0),
    nvl(sku_act.cart_count30,0) ,
    nvl(sku_act.cart_num30,0) ,
    nvl(sku_topic.cart_count ,0)+ nvl (sku_act.cart_count,0),
    nvl( sku_topic.cart_num ,0)+ nvl (sku_act.cart_num,0),
    nvl(sku_act.favor_count30 ,0) ,
    nvl (sku_topic.favor_count ,0)+ nvl (sku_act.favor_count,0),
    nvl (sku_act.appraise_good_count30 ,0) ,
    nvl (sku_act.appraise_mid_count30 ,0) ,
    nvl (sku_act.appraise_bad_count30 ,0) ,
    nvl (sku_act.appraise_default_count30 ,0) ,
    nvl (sku_topic.appraise_good_count ,0)+ nvl
    (sku_act.appraise_good_count,0) ,
    nvl (sku_topic.appraise_mid_count ,0)+ nvl
    (sku_act.appraise_mid_count,0) ,
    nvl (sku_topic.appraise_bad_count ,0)+ nvl
    (sku_act.appraise_bad_count,0) ,
    nvl (sku_topic.appraise_default_count ,0)+ nvl
    (sku_act.appraise_default_count,0)
    from sku_act
    full outer join sku_topic
    on sku_act.sku_id =sku_topic.sku_id
    left join
    (select * from ${APP}.dwd_dim_sku_info where dt='$do_date') sku_info
    on nvl(sku_topic.sku_id,sku_act.sku_id)= sku_info.id;
    "
    $hive -e "$sql"

    2)增加脚本执行权限

    chmod 770 dws_to_dwt.sh

    3)执行脚本导入数据

    dws_to_dwt.sh 2020-03-11

    4)查看导入数据

    select * from dwt_uv_topic limit 5;
    select * from dwt_user_topic limit 5;
    select * from dwt_sku_topic limit 5;
    作者:大码王

    -------------------------------------------

    个性签名:独学而无友,则孤陋而寡闻。做一个灵魂有趣的人!

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  • 原文地址:https://www.cnblogs.com/huanghanyu/p/13738989.html
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