departure
data-migrate
departure | data-migrate | |
---|---|---|
1 | 14 | |
134 | 1,360 | |
0.0% | - | |
8.0 | 7.6 | |
2 months ago | 7 days ago | |
Ruby | Ruby | |
GNU General Public License v3.0 or later | MIT License |
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departure
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Changing Tires at 100mph: A Guide to Zero Downtime Migrations
At least for Rails there are several gems available (ie https://github.com/WeTransfer/ghost_adapter or https://github.com/departurerb/departure) that seamlessly hook into the existing migration system and will run all eligible migrations through gh-ost or pt-osc as needed. You're right that it's not free but it isn't all that far off either.
That said, online schema migrations are a specialized tool designed for very big tables that take hours to run an ALTER TABLE on. If all your tables are small enough that alterations take less than a second or so, don't bother and just block the table for a bit. It's fine.
data-migrate
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Undocumented Gem Incompatibilities with Rails 7.1
For example, take the popular data-migrate gem. Its gemspec requires activerecord >= 6.1 with no upper bound. Looking at the changelog, though, you'll see that support for Rails 7.1 wasn't added until version 9.2.0. Older versions will hit this exception when someone tries to run migrations under the latest Rails, even though bundler installs the package with no warning.
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Data Migration Strategies in Ruby on Rails: The Right Way to Manage Missing Data
The third option is to use the data-migrate gem.
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Update Millions of Records in Rails
I was thinking of this one, I believe, but it's pretty old:
https://github.com/OffgridElectric/rails-data-migrations
This is maybe a more modern one I found:
https://github.com/ilyakatz/data-migrate
- How does Rails handle out of order migrations (when working on different local branches)
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Safe data migrations in Rails
https://github.com/ilyakatz/data-migrate exists for exactly this purpose with a similar approach as active record migrations.
- Versionamento de banco de dados no Git
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Data migrations with Rails
Data migration gem There are a couple of gems that helps organize your data migrations in the same way as schema migrations, one of the most known data-migrate. You can simply generate a new migration:
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Data Migrations in NestJS
In the past, we've used data-migrate for this, but this comes with pitfalls. What happens if the deploy fails? We can often end up with strange errors and changes in state, so it's nicer to have a bit more control.
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Squash Migrations in Legacy Apps
I guess you were talking about this: https://github.com/ilyakatz/data-migrate ?
- Migrações de dados em Ruby on Rails
What are some alternatives?
reshape - An easy-to-use, zero-downtime schema migration tool for Postgres
strong_migrations - Catch unsafe migrations in development
pg-osc - Easy CLI tool for making zero downtime schema changes and backfills in PostgreSQL
Discourse - A platform for community discussion. Free, open, simple.
ghost_adapter - Run ActiveRecord migrations through gh-ost
Ruby on Rails - Ruby on Rails
janet - A dynamic language and bytecode vm
seed_migration - Seed Migration
litestream - Streaming replication for SQLite.
indifferent_access - [ALPHA] - Elixir Plug/Utility doing questionable things with maps/params