视频地址：尚硅谷大数据项目《在线教育之离线数仓》_哔哩哔哩_bilibili
目录
第11章 数仓开发之ADS层
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第11章 数仓开发之ADS层
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第11章 数仓开发之ADS层
11.1 流量主题
11.1.1 各来源流量统计
[atguigu@node001 ~]$ nohup /opt/module/hive/hive-3.1.2/bin/hive &
[atguigu@node001 ~]$ nohup /opt/module/hive/hive-3.1.2/bin/hive --service hiveserver2 &
[atguigu@node001 hadoop]$ cd /opt/module/hive/hive-3.1.2/
[atguigu@node001 hive-3.1.2]$ nohup bin/hive &
[1] 11485
[atguigu@node001 hive-3.1.2]$ nohup: 忽略输入并把输出追加到"nohup.out"
[atguigu@node001 hive-3.1.2]$ nohup bin/hive --service hiveserver2 &
[2] 11626
[atguigu@node001 hive-3.1.2]$ nohup: 忽略输入并把输出追加到"nohup.out"
[atguigu@node001 hive-3.1.2]$ [atguigu@node001 ~]$ nohup /opt/module/hive/hive-3.1.2/bin/hive &
[1] 3815
[atguigu@node001 ~]$ nohup: 忽略输入并把输出追加到"nohup.out"
[atguigu@node001 ~]$
[atguigu@node001 ~]$ jpsall
================ node001 ================
2848 NameNode
3634 JobHistoryServer
3014 DataNode
3815 RunJar
3933 Jps
3422 NodeManager
================ node002 ================
2113 NodeManager
2531 Jps
1989 ResourceManager
1783 DataNode
================ node003 ================
1908 SecondaryNameNode
2055 NodeManager
2270 Jps
1823 DataNode
[atguigu@node001 ~]$
[atguigu@node001 ~]$ nohup /opt/module/hive/hive-3.1.2/bin/hive --service hiveserver2 &
[2] 4038
[atguigu@node001 ~]$ nohup: 忽略输入并把输出追加到"nohup.out"
[atguigu@node001 ~]$
[atguigu@node001 ~]$ jpsall
================ node001 ================
2848 NameNode
4225 Jps
3634 JobHistoryServer
4038 RunJar
3014 DataNode
3815 RunJar
3422 NodeManager
================ node002 ================
2113 NodeManager
1989 ResourceManager
1783 DataNode
2591 Jps
================ node003 ================
1908 SecondaryNameNode
2055 NodeManager
2334 Jps
1823 DataNode
[atguigu@node001 ~]$ P088
11.1.2 路径分析
桑基图
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11.1.3 各来源下单统计
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11.2 用户主题
11.2.1 用户变动统计
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11.2.2 用户留存率
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11.2.3 用户新增活跃统计
[2023-09-04 10:04:35] org.apache.hadoop.hive.ql.parse.SemanticException:Failed to get a spark session: org.apache.hadoop.hive.ql.metadata.HiveException: Failed to create Spark client for Spark session 1af1be50-bc68-46e3-a27f-ff9bf04c44c0
[atguigu@node001 ~]$ cd /opt/module/hive/hive-3.1.2/
[atguigu@node001 hive-3.1.2]$ bin/hive
hive (default)> set hive.spark.client.server.connect.timeout=300000ms;
2023-09-04 10:14:03,044 INFO [fd295ca1-5b9b-4f12-bcff-c5db47bee932 main] conf.HiveConf (HiveConf.java:getLogIdVar(5040)) - Using the default value passed in for log id: fd295ca1-5b9b-4f12-bcff-c5db47bee932
Query returned non-zero code: 1, cause: Cannot modify hive.spark.client.server.connect.timeout at runtime. It is in the list of parameters that can't be modified at runtime or is prefixed by a restricted variable
2023-09-04 10:14:03,091 INFO [fd295ca1-5b9b-4f12-bcff-c5db47bee932 main] conf.HiveConf (HiveConf.java:getLogIdVar(5040)) - Using the default value passed in for log id: fd295ca1-5b9b-4f12-bcff-c5db47bee932
2023-09-04 10:14:03,091 INFO [fd295ca1-5b9b-4f12-bcff-c5db47bee932 main] session.SessionState (SessionState.java:resetThreadName(452)) - Resetting thread name to main
hive (default)> set hive.spark.client.server.connect.timeout=300000ms;P093
11.2.4 用户行为漏斗分析
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11.2.5 新增交易用户统计
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11.2.6 各年龄段下单用户数
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11.3 商品主题
11.3.1 各分类课程交易统计
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11.3.3 各课程交易统计
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11.3.4 各课程评价统计
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11.3.5 各分类课程试听留存统计
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11.3.6 各学科试听留存统计
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11.4 交易主题
11.4.1 交易综合统计
11.4.2 各省份交易统计
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11.5 考试主题
11.5.1 各试卷平均统计
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11.5.2 各课程考试相关指标统计
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11.5.3 各试卷成绩分布
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11.5.4 各题正确率
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11.6 播放主题
11.6.1 各章节视频播放情况统计
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11.6.2 各课程视频播放情况统计
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11.7 完课主题
11.7.1 各课程完课人数统计
-- 11.7 完课主题
-- 11.7.1 各课程完课人数统计
-- 1）建表语句
DROP TABLE IF EXISTS ads_complete_complete_user_count_per_course;
CREATE EXTERNAL TABLE ads_complete_complete_user_count_per_course
(
`dt` STRING COMMENT '统计日期',
`recent_days` BIGINT COMMENT '最近天数,1:最近1天,7:最近7天,30:最近30天',
`course_id` STRING COMMENT '课程 id',
`user_count` BIGINT COMMENT '完课人数'
) COMMENT '各课程完课人数'
ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t'
LOCATION '/warehouse/edu/ads/ads_complete_complete_user_count_per_course/';
-- 2）数据装载
-- 统计用户对应一个课程完成多少个章节
insert overwrite table edu2077.ads_complete_complete_user_count_per_course
select dt,
recent_days,
course_id,
user_count
from edu2077.ads_complete_complete_user_count_per_course
union
select '2022-02-21' dt,
recent_days,
course_id,
count(user_id) order_count
from (select course_id,
id,
user_id,
max_chapter_complete_date
from (select course_id,
user_id,
max(first_complete_date) max_chapter_complete_date,
count(first_complete_date) user_chapter_complete_count
from edu2077.dwd_learn_play_stats_full
where dt = '2022-02-21'
group by course_id, user_id
) chapter_complete
left join
(select id,
chapter_num
from edu2077.dim_course_full
where dt = '2022-02-21') dim_course
on chapter_complete.course_id = dim_course.id
where user_chapter_complete_count = chapter_num
) course_complete
lateral view explode(array(1, 7, 30)) tmp as recent_days
where max_chapter_complete_date >= date_add('2022-02-21', -recent_days + 1)
group by recent_days, course_id;
select * from ads_complete_complete_user_count_per_course;
insert overwrite table edu2077.ads_complete_complete_user_count_per_course
select *
from edu2077.ads_complete_complete_user_count_per_course
union
select '2022-02-21' dt,
recent_days,
course_id,
count(user_id) user_conunt
from (
-- 完整的用户数据
select course_id,
user_id,
first_complete_date
from (
-- 统计用户对应一个课程完成多少个章节
select course_id,
user_id,
max(first_complete_date) first_complete_date,
count(first_complete_date) user_complete_nums
from dwd_learn_play_stats_full
where dt = '2022-02-21'
group by course_id, user_id
) t1
left join (
-- 统计课程一共有多少章节
select id,
chapter_num
from dim_course_full
where dt = '2022-02-21'
) t2
on t1.course_id = t2.id and user_complete_nums = chapter_num
) t3 lateral view explode(array(1, 7, 30)) tmp as recent_days
where first_complete_date <= '2022-02-21'
and first_complete_date >= date_sub('2022-02-21', recent_days - 1)
group by recent_days, course_id;
select * from ads_complete_complete_user_count_per_course;P109
11.7.2 完课综合指标
-- 11.7.2 完课综合指标
-- 1）建表语句
DROP TABLE IF EXISTS ads_complete_complete_stats;
CREATE EXTERNAL TABLE ads_complete_complete_stats
(
`dt` STRING COMMENT '统计日期',
`recent_days` BIGINT COMMENT '最近天数,1:最近1天,7:最近7天,30:最近30天',
`user_complete_count` BIGINT COMMENT '完课人数',
`user_course_complete_count` BIGINT COMMENT '完课人次'
) COMMENT '完课综合指标'
ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t'
LOCATION '/warehouse/edu/ads/ads_complete_complete_stats/';
-- 2）数据装载
insert overwrite table edu2077.ads_complete_complete_stats
select dt,
recent_days,
user_complete_count,
user_course_complete_count
from edu2077.ads_complete_complete_stats
union
select '2022-02-21' dt,
recent_days,
count(distinct user_id) user_complete_count,
count(*) user_course_complete_count
from (select course_id,
id,
user_id,
max_chapter_complete_date
from (select course_id,
user_id,
max(first_complete_date) max_chapter_complete_date,
count(first_complete_date) user_chapter_complete_count
from edu2077.dwd_learn_play_stats_full
where dt = '2022-02-21'
group by course_id, user_id
) chapter_complete
left join
(select id,
chapter_num
from edu2077.dim_course_full
where dt = '2022-02-21') dim_course
on chapter_complete.course_id = dim_course.id
where user_chapter_complete_count = chapter_num
) course_complete
lateral view explode(array(1, 7, 30)) tmp as recent_days
where max_chapter_complete_date >= date_add('2022-02-21', -recent_days + 1)
group by recent_days;
select * from ads_complete_complete_stats;
insert overwrite table edu2077.ads_complete_complete_stats
select dt,
recent_days,
user_complete_count,
user_course_complete_count
from edu2077.ads_complete_complete_stats
union
select '2022-02-21' dt,
recent_days,
count(distinct user_id) user_complete_count,
count(*) user_course_complete_count
from (
-- 完整的用户数据
select course_id,
user_id,
first_complete_date
from (
-- 统计用户对应一个课程完成多少个章节
select course_id,
user_id,
max(first_complete_date) first_complete_date,
count(first_complete_date) user_complete_nums
from dwd_learn_play_stats_full
where dt = '2022-02-21'
group by course_id, user_id
) t1
left join (
-- 统计课程一共有多少章节
select id,
chapter_num
from dim_course_full
where dt = '2022-02-21'
) t2
on t1.course_id = t2.id and user_complete_nums = chapter_num
) t3 lateral view explode(array(1, 7, 30)) tmp as recent_days
where first_complete_date <= '2022-02-21'
and first_complete_date >= date_sub('2022-02-21', recent_days - 1)
group by recent_days;
select * from ads_complete_complete_stats;P110
11.7.3 各个课程人均完成章节数文章来源：https://www.toymoban.com/news/detail-702011.html
-- 11.7.3 各个课程人均完成章节数
-- 1）建表语句
DROP TABLE IF EXISTS ads_complete_complete_chapter_count_per_course;
CREATE EXTERNAL TABLE ads_complete_complete_chapter_count_per_course
(
`dt` STRING COMMENT '统计日期',
`recent_days` BIGINT COMMENT '最近天数,1:最近1天,7:最近7天,30:最近30天',
`course_id` STRING COMMENT '课程 id',
`complete_chapter_count` DECIMAL(16, 2) COMMENT '用户平均完成章节数'
) COMMENT '各课程人均完成章节视频数'
ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t'
LOCATION '/warehouse/edu/ads/ads_complete_complete_chapter_count_per_course/';
-- 2）数据装载
insert overwrite table edu2077.ads_complete_complete_chapter_count_per_course
select dt,
recent_days,
course_id,
complete_chapter_count
from edu2077.ads_complete_complete_chapter_count_per_course
union
select '2022-02-21' dt,
recent_days,
course_id,
count(first_complete_date) / count(distinct user_id) complete_chapter_count
from edu2077.dwd_learn_play_stats_full
lateral view explode(array(1, 7, 30)) tmp as recent_days
where dt = '2022-02-21'
and first_complete_date is not null
and first_complete_date >= date_add('2022-02-21', -recent_days + 1)
group by recent_days, course_id;
select * from ads_complete_complete_chapter_count_per_course;
insert overwrite table edu2077.ads_complete_complete_chapter_count_per_course
select *
from edu2077.ads_complete_complete_chapter_count_per_course
union
select '2022-02-21' dt,
recent_days,
course_id,
cast(count(first_complete_date) / count(distinct user_id) as decimal(16, 2)) complete_chapter_count
from (
-- 统计用户对应一个课程完成多少个章节
-- 完成的章节数
select user_id,
course_id,
max(first_complete_date) first_complete_date,
count(first_complete_date) user_complete_nums
from dwd_learn_play_stats_full
where dt = '2022-02-21'
group by user_id, course_id
) t1 lateral view explode(array(1, 7, 30)) tmp as recent_days
group by recent_days, course_id;
select * from ads_complete_complete_chapter_count_per_course;P111
11.8 数据装载脚本文章来源地址https://www.toymoban.com/news/detail-702011.html
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