ActiveRecord Where Assoc
Ruby JSON Schema Validator
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| ActiveRecord Where Assoc | Ruby JSON Schema Validator | |
|---|---|---|
| 8 | 0 | |
| 182 | 1,408 | |
| - | 1.0% | |
| 1.7 | 0.0 | |
| 3 months ago | about 1 month ago | |
| Ruby | Ruby | |
| MIT License | MIT License |
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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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Active Record: x.includes(y): y was not recognized for preload
Here are more examples.
Here is an introduction to the gem.
I highly recommend looking at my gem : activerecord_where_assoc
There are multiple ways to filter by an associatin in Rails and they all have problems.
Ruby JSON Schema Validator
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Tracking mentions began in Dec 2020.
What are some alternatives?
dry-validation - Validation library with type-safe schemas and rules
activerecord_json_validator - 🔩 ActiveRecord::JSONValidator makes it easy to validate JSON attributes against a JSON schema.
rails_or - Cleaner syntax for writing OR Query in Rails 5, 6. And also add #or support to Rails 3 and 4.
arel-helpers - Useful tools to help construct database queries with ActiveRecord and Arel.
ActiveRecordExtended - Adds additional postgres functionality to an ActiveRecord / Rails application
SanitizeSqlLike - Backport #sanitize_sql_like method from Rails 4 for Rails 3. Sanitizes a string so that it is safe to use within an SQL LIKE statement.
Atomically - An ActiveRecord extension for writing commonly useful atomic SQL statements to avoid race condition.
Enumerize - Enumerated attributes with I18n and ActiveRecord/Mongoid support
ActsAsTree - ActsAsTree -- Extends ActiveRecord to add simple support for organizing items into parent–children relationships.
DbTextSearch - A unified interface on top of ActiveRecord for case-insensitive string-in-set and prefix querying, and full-text search on SQLite, MySQL, and PostgreSQL.
ActsAsParanoid - ActiveRecord plugin allowing you to hide and restore records without actually deleting them.