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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8章 数仓开发之DIM层
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第8章 数仓开发之DIM层
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第8章 数仓开发之DIM层
DIM层设计要点：
（1）DIM层的设计依据是维度建模理论，该层存储维度模型的维度表。
（2）DIM层的数据存储格式为orc列式存储+snappy压缩。
（3）DIM层表名的命名规范为dim_表名_全量表或者拉链表标识（full/zip）。
[2023-08-21 10:21:33] 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 2ed82e1b-8afb-4ad0-9ed2-0f84191a4343
P040
show databases;use edu2077;show tables;--8.1 章节维度表（全量）
DROP TABLE IF EXISTS dim_chapter_full;
CREATE EXTERNAL TABLE dim_chapter_full
(`id` STRING COMMENT '章节ID',`chapter_name` STRING COMMENT '章节名称',`course_id` STRING COMMENT '课程ID',`video_id` STRING COMMENT '视频ID',`publisher_id` STRING COMMENT '发布者ID',`is_free` STRING COMMENT '是否免费',`create_time` STRING COMMENT '创建时间',`update_time` STRING COMMENT '更新时间'
) COMMENT '章节维度表'PARTITIONED BY (`dt` STRING)STORED AS ORCLOCATION '/warehouse/edu/dim/dim_chapter_full/'TBLPROPERTIES ('orc.compress' = 'snappy');--数据装载
--insert overwrite覆盖写，insert into会造成数据重复。
insert overwrite table dim_chapter_full partition (dt = '2022-02-21')
select id,chapter_name,course_id,video_id,publisher_id,is_free,create_time,update_time
from ods_chapter_info_full
where dt = '2022-02-21';select *
from dim_chapter_full;--8.2 课程维度表（全量）
DROP TABLE IF EXISTS dim_course_full;
CREATE EXTERNAL TABLE dim_course_full
(`id` STRING COMMENT '编号',`course_name` STRING COMMENT '课程名称',`subject_id` STRING COMMENT '学科id',`subject_name` STRING COMMENT '学科名称',`category_id` STRING COMMENT '分类id',`category_name` STRING COMMENT '分类名称',`teacher` STRING COMMENT '讲师名称',`publisher_id` STRING COMMENT '发布者id',`chapter_num` BIGINT COMMENT '章节数',`origin_price` decimal(16, 2) COMMENT '价格',`reduce_amount` decimal(16, 2) COMMENT '优惠金额',`actual_price` decimal(16, 2) COMMENT '实际价格',`create_time` STRING COMMENT '创建时间',`update_time` STRING COMMENT '更新时间',`chapters` ARRAY<STRUCT<chapter_id : STRING,chapter_name : STRING, video_id : STRING,is_free: STRING>> COMMENT '章节'
) COMMENT '课程维度表'PARTITIONED BY (`dt` STRING)STORED AS ORCLOCATION '/warehouse/edu/dim/dim_course_full/'TBLPROPERTIES ('orc.compress' = 'snappy');select *
from ods_base_source_full
where dt = '2022-02-21';select *
from ods_course_info_full
where dt = '2022-02-21';select *
from (select id,course_name,course_slogan,subject_id,teacher,publisher_id,chapter_num,origin_price,reduce_amount,actual_price,course_introduce,create_time,update_timefrom ods_course_info_fullwhere dt = '2022-02-21') ci;--ci是别名with ci as (select id,course_name,course_slogan,subject_id,teacher,publisher_id,chapter_num,origin_price,reduce_amount,actual_price,course_introduce,create_time,update_timefrom ods_course_info_fullwhere dt = '2022-02-21'
),bci as (select id, category_namefrom ods_base_category_info_fullwhere dt = '2022-02-21'),bs as (select id, subject_name, category_idfrom ods_base_subject_info_fullwhere dt = '2022-02-21'),chapter as (select course_id,--chapter_id : STRING,chapter_name : STRING, video_id : STRING,is_free : STRINGcollect_set(named_struct('chapter_id', id, 'chapter_name', chapter_name,'video_id', video_id, 'is_free', is_free)) csfrom ods_chapter_info_fullwhere dt = '2022-02-21'group by course_id)
insert overwrite table dim_course_full partition (dt = '2022-02-21')
select ci.id,course_name,subject_id,subject_name,category_id,category_name,teacher,publisher_id,chapter_num,origin_price,reduce_amount,actual_price,create_time,update_time,cs chapters
from cileft join bson ci.subject_id = bs.idleft join bcion bs.category_id = bci.idleft join chapteron ci.id = chapter.course_id;--desc function extended named_struct;select * from dim_course_full;P041
--8.3 视频维度表（全量）
show databases;--8.3 视频维度表（全量）
DROP TABLE IF EXISTS dim_video_full;
CREATE EXTERNAL TABLE dim_video_full
(`id` STRING COMMENT '编号',`video_name` STRING COMMENT '视频名称',`during_sec` BIGINT COMMENT '时长',`video_status` STRING COMMENT '状态 未上传，上传中，上传完',`video_size` BIGINT COMMENT '大小',`version_id` STRING COMMENT '版本号',`chapter_id` STRING COMMENT '章节id',`chapter_name` STRING COMMENT '章节名称',`is_free` STRING COMMENT '是否免费',`course_id` STRING COMMENT '课程id',`publisher_id` STRING COMMENT '发布者id',`create_time` STRING COMMENT '创建时间',`update_time` STRING COMMENT '更新时间'
) COMMENT '视频维度表'PARTITIONED BY (`dt` STRING)STORED AS ORCLOCATION '/warehouse/edu/dim/dim_video_zip/'TBLPROPERTIES ('orc.compress' = 'snappy');select *
from ods_video_info_full
where dt = '2022-02-21';insert overwrite table dim_video_full partition (dt = '2022-02-21')
select id,video_name,during_sec,video_status,video_size,version_id,chapter_id,chapter_name,is_free,course_id,publisher_id,create_time,update_time
from (select id,video_name,during_sec,video_status,video_size,video_url,video_source_id,version_id,chapter_id,course_id,publisher_id,create_time,update_time,deletedfrom ods_video_info_fullwhere dt = '2022-02-21'and deleted = '0') vileft join(select chapter_name,video_id,is_freefrom ods_chapter_info_fullwhere dt = '2022-02-21'
) cion vi.id = ci.video_id;select *
from dim_video_full;insert overwrite table dim_video_full partition (dt = '2022-02-21')
select vt.id,video_name,during_sec,video_status,video_size,version_id,chapter_id,chapter_name,is_free,course_id,publisher_id,create_time,update_time
from (select id,video_name,during_sec,video_status,video_size,version_id,chapter_id,course_id,publisher_id,create_time,update_timefrom ods_video_info_fullwhere dt = '2022-02-21'and deleted = '0') vtjoin(select id,chapter_name,is_freefrom ods_chapter_info_fullwhere dt = '2022-02-21') chton vt.chapter_id = cht.id;
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 2519dff0-c795-4852-a1b4-f40ad1750136
2023/8/23
14:50 t004.sql: insert overwrite table dim_vi… on vt.chapter_id = cht.id... failed.15:00 t004.sql: insert overwrite table dim_vi… on vt.chapter_id = cht.id... failed.
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 due to invalid resource request: Required executor memory (2048 MB), offHeap memory (0) MB, overhead (384 MB), and PySpark memory (0 MB) is above the max threshold (2048 MB)
报错-hive on spark执行数据导入脚本报错_dyson不只是吹风机的博客-CSDN博客
[atguigu@node001 hadoop]$ myhadoop.sh start================ 启动 hadoop集群 ================---------------- 启动 hdfs ----------------
Starting namenodes on [node001]
Starting datanodes
Starting secondary namenodes [node003]--------------- 启动 yarn ---------------
Starting resourcemanager
Starting nodemanagers--------------- 启动 historyserver ---------------
[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]$ jpsall
================ node001 ================
3872 QuorumPeerMain
4291 Kafka
11381 JobHistoryServer
10583 NameNode
11626 RunJar
10747 DataNode
13660 Jps
13533 YarnCoarseGrainedExecutorBackend
11485 RunJar
11167 NodeManager
================ node002 ================
7841 Jps
5586 ResourceManager
2946 Kafka
7683 ApplicationMaster
2552 QuorumPeerMain
5384 DataNode
5711 NodeManager
================ node003 ================
6944 YarnCoarseGrainedExecutorBackend
2256 QuorumPeerMain
5040 SecondaryNameNode
4929 DataNode
2643 Kafka
5158 NodeManager
7047 Jps
[atguigu@node001 hive-3.1.2]$ P042
8.4 试卷维度表（全量）
--8.4 试卷维度表（全量）
DROP TABLE IF EXISTS dim_paper_full;
CREATE EXTERNAL TABLE dim_paper_full
(`id` STRING COMMENT '编号',`paper_title` STRING COMMENT '试卷名称',`course_id` STRING COMMENT '课程id',`create_time` STRING COMMENT '创建时间',`update_time` STRING COMMENT '更新时间',`publisher_id` STRING COMMENT '发布者id',`questions` ARRAY<STRUCT<question_id: STRING, score: DECIMAL(16, 2)>> COMMENT '题目'
) COMMENT '试卷维度表'PARTITIONED BY (`dt` STRING)STORED AS ORCLOCATION '/warehouse/edu/dim/dim_paper_full/'TBLPROPERTIES ('orc.compress' = 'snappy');select *
from ods_test_paper_full;insert overwrite table dim_paper_full partition (dt = '2022-02-21')
select id,paper_title,course_id,create_time,update_time,publisher_id,qs
from (select id,paper_title,course_id,create_time,update_time,publisher_id,deletedfrom ods_test_paper_fullwhere dt = '2022-02-21'--and deleted = '0') tpleft join (select paper_id,--question_id: STRING, score: DECIMAL(16, 2)collect_set(named_struct('question_id', id, 'score', score)) qsfrom ods_test_paper_question_fullwhere dt = '2022-02-21'and deleted = '0'group by paper_id
) pqon tp.id = pq.paper_id;select * from dim_paper_full;P043
8.5 来源维度表（全量）
8.6 题目维度表（全量）
8.7 地区维度表（全量）
--8.5 来源维度表（全量）
DROP TABLE IF EXISTS dim_source_full;
CREATE EXTERNAL TABLE dim_source_full
(`id` STRING COMMENT '编号',`source_site` STRING COMMENT '来源'
) COMMENT '来源维度表'PARTITIONED BY (`dt` STRING)STORED AS ORCLOCATION '/warehouse/edu/dim/dim_source_full/'TBLPROPERTIES ('orc.compress' = 'snappy');insert overwrite table edu2077.dim_source_full partition (dt = '2022-02-21')
select id,source_site
from edu2077.ods_base_source_full obsf
where dt = '2022-02-21';select * from dim_source_full;--8.6 题目维度表（全量）
DROP TABLE IF EXISTS dim_question_full;
CREATE EXTERNAL TABLE dim_question_full
(`id` STRING COMMENT '编号',`chapter_id` STRING COMMENT '章节id',`course_id` STRING COMMENT '课程id',`question_type` BIGINT COMMENT '题目类型',`create_time` STRING COMMENT '创建时间',`update_time` STRING COMMENT '更新时间',`publisher_id` STRING COMMENT '发布者id'
) COMMENT '题目维度表'PARTITIONED BY (`dt` STRING)STORED AS ORCLOCATION '/warehouse/edu/dim/dim_question_full/'TBLPROPERTIES ('orc.compress' = 'snappy');insert overwrite table edu2077.dim_question_fullpartition (dt = '2022-02-21')
select id,chapter_id,course_id,question_type,create_time,update_time,publisher_id
from edu2077.ods_test_question_info_full
where deleted = '0'and dt = '2022-02-21';select * from dim_question_full;--8.7 地区维度表（全量）
DROP TABLE IF EXISTS dim_province_full;
CREATE EXTERNAL TABLE dim_province_full
(`id` STRING COMMENT '编号',`name` STRING COMMENT '省名称',`region_id` STRING COMMENT '地区id',`area_code` STRING COMMENT '行政区位码',`iso_code` STRING COMMENT '国际编码',`iso_3166_2` STRING COMMENT 'ISO3166编码'
) COMMENT '地区维度表'PARTITIONED BY (`dt` STRING)STORED AS ORCLOCATION '/warehouse/edu/dim/dim_province_full/'TBLPROPERTIES ('orc.compress' = 'snappy');insert overwrite table edu2077.dim_province_full partition (dt = '2022-02-21')
select id,name,region_id,area_code,iso_code,iso_3166_2
from edu2077.ods_base_province_full
where dt = '2022-02-21';select * from dim_province_full;P044
8.8 时间维度表（特殊）
--8.8 时间维度表（特殊）
DROP TABLE IF EXISTS dim_date;
CREATE EXTERNAL TABLE dim_date
(`date_id` STRING COMMENT '日期id',`week_id` STRING COMMENT '周id,一年中的第几周',`week_day` STRING COMMENT '周几',`day` STRING COMMENT '每月的第几天',`month` STRING COMMENT '一年中的第几月',`quarter` STRING COMMENT '一年中的第几季度',`year` STRING COMMENT '年份',`is_workday` STRING COMMENT '是否是工作日',`holiday_id` STRING COMMENT '节假日'
) COMMENT '时间维度表'STORED AS ORCLOCATION '/warehouse/edu/dim/dim_date/'TBLPROPERTIES ('orc.compress' = 'snappy');DROP TABLE IF EXISTS tmp_dim_date_info;
CREATE EXTERNAL TABLE tmp_dim_date_info
(`date_id` STRING COMMENT '日',`week_id` STRING COMMENT '周id',`week_day` STRING COMMENT '周几',`day` STRING COMMENT '每月的第几天',`month` STRING COMMENT '第几月',`quarter` STRING COMMENT '第几季度',`year` STRING COMMENT '年',`is_workday` STRING COMMENT '是否是工作日',`holiday_id` STRING COMMENT '节假日'
) COMMENT '时间维度表'ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t'LOCATION '/warehouse/edu/tmp/tmp_dim_date_info/';insert overwrite table dim_date
select *
from tmp_dim_date_info;insert overwrite table dim_date
select date_id,week_id,week_day,day,month,quarter,year,is_workday,holiday_id
from tmp_dim_date_info;select * from dim_date;P045
8.9 用户维度表（拉链表）
--8.9 用户维度表（拉链表）
DROP TABLE IF EXISTS dim_user_zip;
CREATE EXTERNAL TABLE dim_user_zip
(`id` STRING COMMENT '编号',`login_name` STRING COMMENT '用户名称',`nick_name` STRING COMMENT '用户昵称',`real_name` STRING COMMENT '用户姓名',`phone_num` STRING COMMENT '手机号',`email` STRING COMMENT '邮箱',`user_level` STRING COMMENT '用户级别',`birthday` STRING COMMENT '用户生日',`gender` STRING COMMENT '性别 M男,F女',`create_time` STRING COMMENT '创建时间',`operate_time` STRING COMMENT '修改时间',`status` STRING COMMENT '状态',`start_date` STRING COMMENT '开始日期',`end_date` STRING COMMENT '结束日期'
) COMMENT '用户表'PARTITIONED BY (`dt` STRING)STORED AS ORCLOCATION '/warehouse/edu/dim/dim_user_zip/'TBLPROPERTIES ('orc.compress' = 'snappy');P046
8.9 用户维度表（拉链表）
（3）首日装载
inc等增量表没有数据：尚硅谷在线教育系统项目，ods_user_info_inc这个增量表没有数据，课件上也没有相关操作，有空帮我看看？应该是执行hdfs_to_ods_db.sh这个数据装载脚本的时候，增量表数据没有被添加到hdfs里面。
启动Maxwell后，再执行hdfs_to_ods_db.sh脚本就行了。
{"id":"3","login_name":"tws1uxb5r","nick_name":"进林","passwd":null,"real_name":"贺进林","phone_num":"13443888468","email":"tws1uxb5r@aol.com","head_img":null,"user_level":"1","birthday":"1987-06-16","gender":null,"create_time":"2022-02-16 00:00:00","operate_time":null,"status":null}
{"id":"3","login_name":"tws1uxb5r","nick_name":"进林","passwd":null,"real_name":"贺进林","phone_num":"13443888468","email":"tws1uxb5r@aol.com","head_img":null,"user_level":"1","birthday":"1987-06-16","gender":null,"create_time":"2022-02-16 00:00:00","operate_time":null,"status":null
}--8.9 用户维度表（拉链表）
DROP TABLE IF EXISTS dim_user_zip;
CREATE EXTERNAL TABLE dim_user_zip
(`id` STRING COMMENT '编号',`login_name` STRING COMMENT '用户名称',`nick_name` STRING COMMENT '用户昵称',`real_name` STRING COMMENT '用户姓名',`phone_num` STRING COMMENT '手机号',`email` STRING COMMENT '邮箱',`user_level` STRING COMMENT '用户级别',`birthday` STRING COMMENT '用户生日',`gender` STRING COMMENT '性别 M男,F女',`create_time` STRING COMMENT '创建时间',`operate_time` STRING COMMENT '修改时间',`status` STRING COMMENT '状态',`start_date` STRING COMMENT '开始日期',`end_date` STRING COMMENT '结束日期'
) COMMENT '用户表'PARTITIONED BY (`dt` STRING)STORED AS ORCLOCATION '/warehouse/edu/dim/dim_user_zip/'TBLPROPERTIES ('orc.compress' = 'snappy');select * from edu2077.ods_user_info_inc
where dt = '2022-02-21';select * from edu2077.ods_user_info_inc
where dt = '2022-02-21'and type = 'bootstrap-insert';select data.id,data.login_name,data.nick_name,data.passwd,data.real_name,data.phone_num,data.email,data.head_img,data.user_level,data.birthday,data.gender,data.create_time,data.operate_time,data.status
from edu2077.ods_user_info_inc
where dt = '2022-02-21'and type = 'bootstrap-insert';insert overwrite table edu2077.dim_user_zip partition (dt = '9999-12-31')
select data.id,data.login_name,data.nick_name,md5(data.real_name),md5(if(data.phone_num regexp '^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\\d{8}$',data.phone_num, null)),md5(if(data.email regexp '^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\\.[a-zA-Z0-9_-]+)+$', data.email, null)),data.user_level,data.birthday,data.gender,data.create_time,data.operate_time,data.status,'2022-02-21' start_date,'9999-12-31' end_date
from edu2077.ods_user_info_inc
where dt = '2022-02-21'and type = 'bootstrap-insert';select * from dim_user_zip;P047
8.9 用户维度表（拉链表）
（4）每日装载
--8.9 用户维度表（拉链表）
--（4）每日装载
select *
from edu2077.ods_user_info_inc
where dt = '2022-02-21';select *
from edu2077.ods_user_info_inc
where dt = '2022-02-22';select *
from dim_user_zip
where dt = '9999-12-31';select data.id,data.login_name,data.nick_name,md5(data.real_name),md5(if(data.phone_num regexp '^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\\d{8}$',data.phone_num, null)),md5(if(data.email regexp '^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\\.[a-zA-Z0-9_-]+)+$', data.email, null)),data.user_level,data.birthday,data.gender,data.create_time,data.operate_time,data.status,'2022-02-21' start_date,'9999-12-31' end_date
from edu2077.ods_user_info_inc
where dt = '2022-02-22';select id,login_name,nick_name,real_name,phone_num,email,user_level,birthday,gender,create_time,operate_time,status,start_date
from dim_user_zip
where dt = '9999-12-31'
union
select data.id,data.login_name,data.nick_name,md5(data.real_name),md5(if(data.phone_num regexp '^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\\d{8}$',data.phone_num, null)),md5(if(data.email regexp '^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\\.[a-zA-Z0-9_-]+)+$', data.email, null)),data.user_level,data.birthday,data.gender,data.create_time,data.operate_time,data.status,'2022-02-21' start_date,'9999-12-31' end_datefrom edu2077.ods_user_info_inc
where dt = '2022-02-22';set hive.exec.dynamic.partition.mode=nonstrict;--关闭严格模式
insert overwrite table edu2077.dim_user_zip partition (dt)
select id,login_name,nick_name,real_name,phone_num,email,user_level,birthday,gender,create_time,operate_time,status,start_date,if(rn = 1, '9999-12-31', date_sub('2022-02-22', 1)) end_date,if(rn = 1, '9999-12-31', date_sub('2022-02-22', 1)) dt
from (select id,login_name,nick_name,real_name,phone_num,email,user_level,birthday,gender,create_time,operate_time,status,start_date,end_date,row_number() over (partition by id order by start_date desc) rnfrom (select id,login_name,nick_name,real_name,phone_num,email,user_level,birthday,gender,create_time,operate_time,status,start_date,end_datefrom edu2077.dim_user_zipwhere dt = '9999-12-31'unionselect id,login_name,nick_name,real_name,phone_num,email,user_level,birthday,gender,create_time,operate_time,status,'2020-02-22' start_date,'9999-12-31' end_datefrom (select data.id,data.login_name,data.nick_name,md5(data.real_name) real_name,md5(if(data.phone_num regexp'^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\\d{8}$',data.phone_num, null)) phone_num,md5(if(data.email regexp '^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\\.[a-zA-Z0-9_-]+)+$',data.email, null)) email,data.user_level,data.birthday,data.gender,data.create_time,data.operate_time,data.status,row_number() over (partition by data.id order by ts desc) rnfrom edu2077.ods_user_info_incwhere dt = '2022-02-22') t1where rn = 1) t2) t3;P048
8.10 数据装载脚本
8.10.1 首日装载脚本
8.10.2 每日装载脚本
#vim ods_to_dim_init.sh#!/bin/bash
if [ -n "$2" ] ;thendo_date=$2
elseecho "请传入日期参数"exit
fiAPP=edudim_chapter_full="
insert overwrite table ${APP}.dim_chapter_fullpartition (dt = '$do_date')
select id,chapter_name,course_id,video_id,publisher_id,is_free,create_time,update_time
from ${APP}.ods_chapter_info_full
where deleted = '0'and dt = '$do_date';"dim_course_full="
with a as(select id, category_namefrom ${APP}.ods_base_category_info_fullwhere deleted = '0'and dt = '$do_date'),b as(select id, subject_name, category_idfrom ${APP}.ods_base_subject_info_fullwhere deleted = '0'and dt = '$do_date'),c as(select id,course_name,subject_id,teacher,publisher_id,chapter_num,origin_price,reduce_amount,actual_price,create_time,update_timefrom ${APP}.ods_course_info_fullwhere deleted = '0'and dt = '$do_date'),d as(select course_id,collect_set(named_struct('chapter_id', id, 'chapter_name', chapter_name, 'video_id', video_id, 'is_free', is_free)) chaptersfrom ${APP}.ods_chapter_info_fullwhere deleted = '0'and dt = '$do_date'group by course_id)
insert overwrite table ${APP}.dim_course_full
partition(dt = '$do_date')
select c.id,course_name,subject_id,subject_name,category_id,category_name,teacher,publisher_id,chapter_num,origin_price,reduce_amount,actual_price,create_time,update_time,chapters
from cleft join bon c.subject_id = b.idleft join aon b.category_id = a.idleft join don c.id = d.course_id;"dim_video_full="
insert overwrite table ${APP}.dim_video_full partition (dt = '$do_date')
select vt.id,video_name,during_sec,video_status,video_size,version_id,chapter_id,chapter_name,is_free,course_id,publisher_id,create_time,update_time
from (select id,video_name,during_sec,video_status,video_size,version_id,chapter_id,course_id,publisher_id,create_time,update_timefrom ${APP}.ods_video_info_fullwhere dt = '$do_date' and deleted = '0') vtjoin(select id,chapter_name,is_freefrom ${APP}.ods_chapter_info_fullwhere dt = '$do_date') chton vt.chapter_id = cht.id;"dim_paper_full="
insert overwrite table ${APP}.dim_paper_full partition (dt = '$do_date')
select t1.id,paper_title,course_id,create_time,update_time,publisher_id,questions
from ${APP}.ods_test_paper_full t1left join(select paper_id,collect_set(named_struct('question_id', question_id, 'score', score)) questionsfrom ${APP}.ods_test_paper_question_fullwhere deleted = '0' and dt = '$do_date'group by paper_id) t2on t1.id = t2.paper_id
where t1.deleted = '0' and t1.dt = '$do_date';"dim_source_full="
insert overwrite table ${APP}.dim_source_full partition (dt = '$do_date')
select id,source_site
from ${APP}.ods_base_source_full obsf
where dt = '$do_date';"dim_question_full="
insert overwrite table ${APP}.dim_question_fullpartition (dt = '$do_date')
select id,chapter_id,course_id,question_type,create_time,update_time,publisher_id
from ${APP}.ods_test_question_info_full
where deleted = '0'and dt = '$do_date';"dim_province_full="
insert overwrite table ${APP}.dim_province_full partition (dt = '$do_date')
select id,name,region_id,area_code,iso_code,iso_3166_2
from ${APP}.ods_base_province_full
where dt = '$do_date';"dim_user_zip="
insert overwrite table ${APP}.dim_user_zippartition (dt = '9999-12-31')
select data.id,data.login_name,data.nick_name,md5(data.real_name),md5(if(data.phone_num regexp '^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\\d{8}$',data.phone_num,null)),md5(if(data.email regexp '^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\\.[a-zA-Z0-9_-]+)+$',data.email,null)),data.user_level,data.birthday,data.gender,data.create_time,data.operate_time,data.status,'$do_date' start_date,'9999-12-31' end_date
from ${APP}.ods_user_info_inc
where dt = '$do_date'and type = 'bootstrap-insert';"case $1 indim_chapter_full|dim_course_full|dim_video_full|dim_paper_full|dim_source_full|dim_question_full|dim_province_full|dim_user_zip)eval "hive -e \"\$$1\"";;"all" )hive -e "${dim_chapter_full}${dim_course_full}${dim_video_full}${dim_paper_full}${dim_source_full}${dim_question_full}${dim_province_full}${dim_user_zip}";;
esac#vim ods_to_dim.sh#!/bin/bash
if [ -n "$2" ] ;thendo_date=$2
elsedo_date=`date -d "-1 day" +%F`
fiAPP=edudim_chapter_full="
insert overwrite table ${APP}.dim_chapter_fullpartition (dt = '$do_date')
select id,chapter_name,course_id,video_id,publisher_id,is_free,create_time,update_time
from ${APP}.ods_chapter_info_full
where deleted = '0'and dt = '$do_date';"dim_course_full="
with a as(select id, category_namefrom ${APP}.ods_base_category_info_fullwhere deleted = '0'and dt = '$do_date'),b as(select id, subject_name, category_idfrom ${APP}.ods_base_subject_info_fullwhere deleted = '0'and dt = '$do_date'),c as(select id,course_name,subject_id,teacher,publisher_id,chapter_num,origin_price,reduce_amount,actual_price,create_time,update_timefrom ${APP}.ods_course_info_fullwhere deleted = '0'and dt = '$do_date'),d as(select course_id,collect_set(named_struct('chapter_id', id, 'chapter_name', chapter_name, 'video_id', video_id, 'is_free', is_free)) chaptersfrom ${APP}.ods_chapter_info_fullwhere deleted = '0'and dt = '$do_date'group by course_id)
insert overwrite table ${APP}.dim_course_full
partition(dt = '$do_date')
select c.id,course_name,subject_id,subject_name,category_id,category_name,teacher,publisher_id,chapter_num,origin_price,reduce_amount,actual_price,create_time,update_time,chapters
from cleft join bon c.subject_id = b.idleft join aon b.category_id = a.idleft join don c.id = d.course_id;"dim_video_full="
insert overwrite table ${APP}.dim_video_full partition (dt = '$do_date')
select vt.id,video_name,during_sec,video_status,video_size,version_id,chapter_id,chapter_name,is_free,course_id,publisher_id,create_time,update_time
from (select id,video_name,during_sec,video_status,video_size,version_id,chapter_id,course_id,publisher_id,create_time,update_timefrom ${APP}.ods_video_info_fullwhere dt = '$do_date' and deleted = '0') vtjoin(select id,chapter_name,is_freefrom ${APP}.ods_chapter_info_fullwhere dt = '$do_date') chton vt.chapter_id = cht.id;"dim_paper_full="
insert overwrite table ${APP}.dim_paper_full partition (dt = '$do_date')
select t1.id,paper_title,course_id,create_time,update_time,publisher_id,questions
from ${APP}.ods_test_paper_full t1left join(select paper_id,collect_set(named_struct('question_id', question_id, 'score', score)) questionsfrom ${APP}.ods_test_paper_question_fullwhere deleted = '0' and dt = '$do_date'group by paper_id) t2on t1.id = t2.paper_id
where t1.deleted = '0' and t1.dt = '$do_date';"dim_source_full="
insert overwrite table ${APP}.dim_source_full partition (dt = '$do_date')
select id,source_site
from ${APP}.ods_base_source_full obsf
where dt = '$do_date';"dim_question_full="
insert overwrite table ${APP}.dim_question_fullpartition (dt = '$do_date')
select id,chapter_id,course_id,question_type,create_time,update_time,publisher_id
from ${APP}.ods_test_question_info_full
where deleted = '0'and dt = '$do_date';"dim_province_full="
insert overwrite table ${APP}.dim_province_full partition (dt = '$do_date')
select id,name,region_id,area_code,iso_code,iso_3166_2
from ${APP}.ods_base_province_full
where dt = '$do_date';"dim_user_zip="
set hive.exec.dynamic.partition.mode=nonstrict;
insert overwrite table ${APP}.dim_user_zip
partition(dt)
selectid,login_name,nick_name,real_name,phone_num,email,user_level,birthday,gender,create_time,operate_time,status,start_date,if(rn=1,'9999-12-31',date_sub('$do_date',1)) end_date,if(rn=1,'9999-12-31',date_sub('$do_date',1)) dt
from
(selectid,login_name,nick_name,real_name,phone_num,email,user_level,birthday,gender,create_time,operate_time,status,start_date,end_date,row_number() over (partition by id order by start_date desc) rnfrom(selectid,login_name,nick_name,real_name,phone_num,email,user_level,birthday,gender,create_time,operate_time,status,start_date,end_datefrom ${APP}.dim_user_zipwhere dt='9999-12-31'unionselectid,login_name,nick_name,real_name,phone_num,email,user_level,birthday,gender,create_time,operate_time,status,'2020-02-22' start_date,'9999-12-31' end_datefrom(selectdata.id,data.login_name,data.nick_name,md5(data.real_name) real_name,md5(if(data.phone_num regexp '^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\\d{8}$',data.phone_num,null)) phone_num,md5(if(data.email regexp '^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\\.[a-zA-Z0-9_-]+)+$',data.email,null)) email,data.user_level,data.birthday,data.gender,data.create_time,data.operate_time,data.status,row_number() over (partition by data.id order by ts desc) rnfrom ${APP}.ods_user_info_incwhere dt='$do_date')t1where rn=1)t2
)t3;"case $1 indim_chapter_full|dim_course_full|dim_video_full|dim_paper_full|dim_source_full|dim_question_full|dim_province_full|dim_user_zip)eval "hive -e \"\$$1\"";;"all" )hive -e "${dim_chapter_full}${dim_course_full}${dim_video_full}${dim_paper_full}${dim_source_full}${dim_question_full}${dim_province_full}${dim_user_zip}";;
esac