ActsAsTree
ActiveRecord Where Assoc
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| ActsAsTree | ActiveRecord Where Assoc | |
|---|---|---|
| 1 | 8 | |
| 579 | 208 | |
| - | - | |
| 0.0 | 4.8 | |
| about 2 years ago | 6 days ago | |
| Ruby | Ruby | |
| MIT License | MIT License |
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ActsAsTree
ActiveRecord Where Assoc
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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.
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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.
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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
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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
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Active Record: x.includes(y): y was not recognized for preload
Here is an introduction to the gem.
What are some alternatives?
Ancestry - Organise ActiveRecord model into a tree structure
Ruby JSON Schema Validator - Ruby JSON Schema Validator
Awesome Nested Set - An awesome replacement for acts_as_nested_set and better_nested_set.
Enumerize - Enumerated attributes with I18n and ActiveRecord/Mongoid support
Closure Tree - Easily and efficiently make your ActiveRecord models support hierarchies
activerecord_json_validator - 🔩 ActiveRecord::JSONValidator makes it easy to validate JSON attributes against a JSON schema.
Mongoid Tree - A tree structure for Mongoid documents using the materialized path pattern
ActsAsParanoid - ActiveRecord plugin allowing you to hide and restore records without actually deleting them.
rails_or - Cleaner syntax for writing OR Query in Rails 5, 6. And also add #or support to Rails 3 and 4.
manyfold - A self-hosted digital asset manager for 3d print files. Previously named "VanDAM"
Filtered - Filters ActiveRecord queries in a nice way
PaperTrail - Track changes to your rails models