active_record_distinct_on
ActiveRecord Where Assoc
| active_record_distinct_on | ActiveRecord Where Assoc | |
|---|---|---|
| 1 | 8 | |
| 32 | 208 | |
| - | - | |
| 4.6 | 4.8 | |
| 4 months ago | 20 days ago | |
| Ruby | Ruby | |
| MIT License | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
active_record_distinct_on
-
How do I query for the most recently created records across multiple models !
If you're using Postgres, then DISTINCT ON may also be a good option via the active_record_distinct_on gem.
ActiveRecord Where Assoc
-
EXISTS clause for active record
I’ve been using the activerecord_where_assoc gem for this. I think it’s API is more natural than this proposal.
-
My new gem lets you follow associations when doing ActiveRecord queries. Here's an intro for follow_assoc.
Your examples using joins would return duplicated Sections. That might force you to add a distinct. I personally find it wrong to do a distinct in a scope just to be able to make the condition I want the scope to do. It's a hidden side effect that could cause problem elsewhere and it's unexpected from the name of the scope. I made a gem to deal with that situation: where_assoc. There is definitely an overlap between both gem.
-
Rails 6.1 adds query method associated to check for the association presence
Assuming that ... was indicating some form of annoyance with that distinct, you might want to take a look at activerecord_where_assoc
-
Rails 6.1.1 allows `where` to reference associations via joined table alias names.
For those interested, the example uses this gem: activerecord_where_assoc
-
Active Record: x.includes(y): y was not recognized for preload
Here is an introduction to the gem.
What are some alternatives?
counter_culture - Turbo-charged counter caches for your Rails app.
Ruby JSON Schema Validator - Ruby JSON Schema Validator
ActiveRecord Setops - Union, Intersect, and Difference set operations for ActiveRecord (also, SQL's UnionAll).
Enumerize - Enumerated attributes with I18n and ActiveRecord/Mongoid support
dynamic-records-meritfront - Dynamic Records Meritfront was built to allow you to make full use of your database's capabilites, while utilizing ruby on rails & Active Record. It contains a better way to write sql queries for rails, and includes other tips and tricks to take advantage of. Perfect for all your dynamic applications, optimizations and weird edge cases!
ActsAsTree - ActsAsTree -- Extends ActiveRecord to add simple support for organizing items into parent–children relationships.
ransack - Object-based searching.
activerecord_json_validator - 🔩 ActiveRecord::JSONValidator makes it easy to validate JSON attributes against a JSON schema.
active_record_doctor - Identify database issues before they hit production.
ActsAsParanoid - ActiveRecord plugin allowing you to hide and restore records without actually deleting them.
Scenic - Versioned database views for Rails
manyfold - A self-hosted digital asset manager for 3d print files. Previously named "VanDAM"