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kovid-r
/ creating_a_date_dimension_table_in_postgresql.sql
Created
October 18, 2022 10:25
— forked from mtucker/creating_a_date_dimension_table_in_postgresql.sql
Creating a date dimension table in PostgreSQL
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| DROP TABLE if exists d_date; | |
| CREATE TABLE d_date | |
| ( | |
| date_dim_id INT NOT NULL, | |
| date_actual DATE NOT NULL, | |
| epoch BIGINT NOT NULL, | |
| day_suffix VARCHAR(4) NOT NULL, | |
| day_name VARCHAR(9) NOT NULL, | |
| day_of_week INT NOT NULL, |
kovid-r
/ get-medium-stats.js
Created
January 9, 2022 13:36
— forked from igeligel/get-medium-stats.js
medium-get-totals
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| const totalTypes = { | |
| VIEWS: 2, | |
| READS: 3, | |
| FANS: 5 | |
| }; | |
| const getTotal = tableColumn => | |
| [ | |
| ...document.querySelectorAll( | |
| `td:nth-child(${tableColumn}) > span.sortableTable-number` |
kovid-r
/ mysql-datahub-user.sql
Created
October 18, 2021 11:03
User permissions for DataHub to connect to MySQL and fetch metadata.
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| CREATE USER 'datahub'@'%' IDENTIFIED BY PASSWORD 'datahub'; | |
| GRANT USAGE ON *.* TO 'datahub'@'%'; | |
| GRANT SELECT ON 'mediawiki'.* TO 'datahub'@'%'; |
kovid-r
/ mysql-datahub.yml
Created
October 18, 2021 10:59
Metadata Source configuration YAML file for adding MySQL to DataHub
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| source: | |
| type: "mysql" | |
| config: | |
| env: "DEV" | |
| username: datahub | |
| password: datahub | |
| database: mediawiki | |
| host_port: localhost:3309 | |
| schema_pattern: | |
| ignoreCase: True |
kovid-r
/ tsbs_questdb_timescaledb_generate_data.sql
Created
August 17, 2021 11:06
Sample SQL queries for testing read loads on TimescaleDB and QuestDB via TSBS.
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| # TimescaleDB Query | |
| SELECT * FROM cpu WHERE usage_user > 90.0 | |
| AND time >= '2016-01-01 07:47:52.646325 +0000' | |
| AND time < '2016-01-01 19:47:52.646325 +0000'; | |
| # QuestDB Query | |
| SELECT * FROM cpu WHERE usage_user > 90.0 | |
| AND timestamp >= '2016-01-01T07:47:52Z' | |
| AND timestamp < '2016-01-01T19:47:52Z'; |
kovid-r
/ dms_access_for_endpoint_trust_relationship_policy.json
Created
August 16, 2021 07:41
Add trust relationship policy for dms-access-for-endpoint role.
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| { | |
| "Version": "2012-10-17", | |
| "Statement": [ | |
| { | |
| "Sid": "1", | |
| "Effect": "Allow", | |
| "Principal": { | |
| "Service": "dms.amazonaws.com" | |
| }, | |
| "Action": "sts:AssumeRole" |
kovid-r
/ dms_access_for_endpoint_role.sh
Last active
August 16, 2021 07:46
Create dms-access-for-endpoint role and attach policy to enable DMS to assume role after connecting to Redshift.
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| aws iam create-role --role-name dms-access-for-endpoint \ | |
| --assume-role-policy-document dms_access_for_endpoint_trust_relationship_policy.json | |
| aws iam attach-role-policy --role-name dms-access-for-endpoint \ | |
| --policy-arn arn:aws:iam::aws:policy/service-role/AmazonDMSRedshiftS3Role |
kovid-r
/ postgresql_redshift_migration_dms_sample_task.sql
Created
August 16, 2021 07:00
Sample Load task using DMS for data exported from PostgreSQL to S3, now being imported to Redshift from S3.
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| COPY /* partner:DMS | |
| { | |
| "Version": "DMS 3.4.4.R1", | |
| "MigrationType": "FullLoad", | |
| "TaskId": "8LRKTDSLNUWKF33K3OUY1NPA23HF3TISTS2BTNX" | |
| } | |
| */ "public"."test" FROM 's3://dms-bucket/redshift.../.../1/LOAD00000001.csv' | |
| credentials 'aws_iam_role=arn:aws:iam::123412344321:role/dms-access-for-endpoint' delimiter ',' | |
| NULL as 'awsdms_null' ESCAPE ACCEPTINVCHARS AS '?' GZIP |
kovid-r
/ redshift_dms_user_check_privileges.sql
Last active
August 16, 2021 06:24
Check if the ARN is able to assume the role.
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| select has_assumerole_privilege('dwhadmin','arn of the dms-access-for-endpoint role','copy'); | |
| select has_assumerole_privilege('dwhadmin','arn of the dms-access-for-endpoint role','unload'); | |
| select pg_get_iam_role_by_user('dwhadmin'); | |
| select pg_get_grantee_by_iam_role('arn of the dms-access-for-endpoint role'); |
kovid-r
/ tsbs_timescaledb_load.sh
Created
August 15, 2021 08:48
TSBS TimescaleDB Load with 8 workers.
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| [root@ip-benchmark-instance bin]# ./tsbs_load load timescaledb --config=./config.yaml | |
| Using config file: ./config.yaml | |
| time,per. metric/s,metric total,overall metric/s,per. row/s,row total,overall row/s | |
| 1629017066,2008653.66,2.008680E+07,2008653.66,178997.65,1.790000E+06,178997.65 | |
| 1629017076,1290459.37,3.299140E+07,1649558.78,114999.94,2.940000E+06,146999.00 | |
| 1629017086,1694639.87,4.993780E+07,1664585.74,150999.99,4.450000E+06,148332.66 | |
| 1629017096,1458699.71,6.452480E+07,1613114.40,129999.97,5.750000E+06,143749.50 | |
| 1629017106,1627521.36,8.080000E+07,1615995.79,145000.12,7.200000E+06,143999.62 | |
| 1629017116,1458724.75,9.538780E+07,1589783.18,129995.08,8.500000E+06,141665.46 | |
| 1629017126,1357760.59,1.089648E+08,1556638.60,121005.40,9.710000E+06,138714.16 |
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