DatabaseConsistency
Large Hadron Migrator
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| DatabaseConsistency | Large Hadron Migrator | |
|---|---|---|
| 8 | 3 | |
| 978 | 1,816 | |
| - | 0.5% | |
| 7.5 | 0.0 | |
| 4 months ago | 8 months ago | |
| Ruby | Ruby | |
| MIT License | BSD 3-clause "New" or "Revised" License |
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DatabaseConsistency
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Uniqueness validation does not work since the beginning of Ruby on Rails.
DatabaseConsistency is a tool to avoid various issues due to inconsistencies and inefficiencies between a database schema and application models.
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Many of us can face issues working with ActiveRecord due to its inconsistency with the database schema. That's why I have built database_consistency, which can help you avoid the most common issues and improve your application's performance.
Yes, the gem supports flexible configuration and slow start with TODO generation.
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Enhanced ActiveRecord preloading
Described issues may be found with DatabaseConsistency.
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N+1 problem will never be an issue with N1Loader gem
Don't know Database Consistency or Factory Trace which can help you to improve your code? Check them out too!
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Rails application boilerplate for fast MVP development
add database_consistency
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Any decent packages that enforce database constraints to match application validation?
When coding with ruby I used to use https://github.com/djezzzl/database_consistency
Large Hadron Migrator
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GitHub downtime root cause analysis
No you didn't. They're doing what is often referred as "online schema change" using https://github.com/github/gh-ost (but the concept is the same than percona's pt-online-schema-change, or https://github.com/soundcloud/lhm.
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Database... or Goose?
Is there anything similar for MySQL? There is https://github.com/soundcloud/lhm but it's pretty much outdated nowadays
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Do you use migrations for data manipulations? What are the pro's and con's ?
I may do it from the console or a task if I wanted to modify a large number of records, e.g. something in my Users table. I think you need a sense of how long the update will take - I'm not sure if there's any issue with migrations timing out or such like. If I modify my Users schema it takes 5 minutes or so as it has to make a copy of the table and swap it in and that works fine - https://github.com/soundcloud/lhm
What are some alternatives?
QueryTrack - Find time-consuming database queries for ActiveRecord-based Rails Apps
Squasher - Squasher - squash your old migrations in a single command
DatabaseValidations - Database validations for ActiveRecord
Lol DBA - lol_dba is a small package of rake tasks that scan your application models and displays a list of columns that probably should be indexed. Also, it can generate .sql migration scripts.
Scenic - Versioned database views for Rails
Foreigner - Adds foreign key helpers to migrations and correctly dumps foreign keys to schema.rb
BatchLoader - :zap: Powerful tool for avoiding N+1 DB or HTTP queries
Blazer - Business intelligence made simple
PgHero - A performance dashboard for Postgres
Seedbank - Seedbank gives your seed data a little structure. Create seeds for each environment, share seeds between environments and specify dependencies to load your seeds in order. All nicely integrated with simple rake tasks.