fast_page
Shiba
fast_page | Shiba | |
---|---|---|
2 | - | |
292 | 293 | |
1.0% | 0.0% | |
2.9 | 0.0 | |
10 months ago | over 4 years ago | |
Ruby | Ruby | |
Apache License 2.0 | GNU General Public License v3.0 or later |
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fast_page
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We switched to cursor-based pagination
There are ways to mitigate the (although not eliminate) the slowing down of offset/limit pagination in later pages. The technique is called a "deferred join" and it is most effective in MySQL. The basic idea is to paginate as little data as necessary, and then do a self-join to get the rest of the data for a single page.
You can read more about it here: https://aaronfrancis.com/2022/efficient-pagination-using-def... or here https://planetscale.com/blog/fastpage-faster-offset-paginati....
There are libraries for Laravel (https://github.com/hammerstonedev/fast-paginate) and Rails (https://github.com/planetscale/fast_page) as well!
Cursor based pagination is wonderful, but sometimes you're stuck with offset/limit for whatever reason. Might as well make it fast.
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Faster offset pagination for Rails apps
In both Django and Rails, passing a QuerySet or ActiveRecord::Relation as an argument to a filter/where creates a subquery - in this case, https://github.com/planetscale/fast_page/blob/main/lib/fast_... creates SELECT ... WHERE id IN (SELECT id FROM ...).
So it's not exactly an inner join, but in theory it will be optimized to the same query plan as an inner join. That said, https://stackoverflow.com/questions/2577174/join-vs-sub-quer... has lots of commentary on why this shouldn't be depended on.
Shiba
We haven't tracked posts mentioning Shiba yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
fast-paginate - A fast implementation of offset/limit pagination for Laravel.
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
Large Hadron Migrator - Online MySQL schema migrations
PgHero - A performance dashboard for Postgres
Upsert - Upsert on MySQL, PostgreSQL, and SQLite3. Transparently creates functions (UDF) for MySQL and PostgreSQL; on SQLite3, uses INSERT OR IGNORE.
Seed dump - Rails 4/5 task to dump your data to db/seeds.rb
Blazer - Business intelligence made simple
Database Cleaner - Strategies for cleaning databases in Ruby. Can be used to ensure a clean state for testing.
DatabaseValidations - Database validations for ActiveRecord
SlackHook - A Simple Interface to Slack Incoming Webhooks Integrations