activerecord Examples and Free Source Code

Rails: Creating models from existing tables?...

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Using ActiveRecord, is there a way to get the old values of a record during after_update...

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Case insensitive with special special characters in Rails model...

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Best way to find a single record using ActiveRecord 3 / Arel?...

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how to skip or call another model's hook in rails?...

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Rails - Querying Noticed Notification with the params id...

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Migration with a decimal number with 2 trailing digits...

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ARel select rows by string length...

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Bulk Insert records into Active Record table...

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Rails ActiveRecord - Applying a condition or scope to multiple associations...

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How to find instances of objects that share a common relationship to another object?...

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Codeigniter: does $this->db->last_query(); execute a query?...

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get multiple docs by ID as ActiveRecord in Yii2 from ealstic search using mget()...

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Rails: How can I use .to_sql on a .select() request...

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Getting "original" object during a before_add callback in ActiveRecord (Rails 7)...

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ActiveRecord: Skip validation when saving multiple objects...

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Rails PG::UndefinedTable: ERROR: missing FROM-clause entry for table...

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Performance issue with the Active Record type map query after upgrading to rails 7...

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Rails ActiveRecord validation: Assert of errors.added? :inclusion unexpectedly fails with a false ne...

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Rails: How do I call `self.save` in my model and have it persist in the database?...

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Issue constructing a has_many relation with scope using multiple join tables...

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Association between post, user, and comment on Ruby on Rails...

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ActiveRecord - how to create a scope on the MIN and MAX of a `has_many` children relationship?...

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Need help creating structure.sql for my Rails app...

ruby-on-rails activerecord

Best practice for user-sorted has_many associations in Rails?...

ruby-on-rails activerecord

Create Rails query using LIKE that searches over association tables...

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Rails 7 has_many through not loading associated records when editing record...

ruby-on-rails activerecord

Using helpers in model: how do I include helper dependencies?...

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ActiveRecord: How to order and retrieve records in a greatest-n-per-group situation...

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Find all objects with no associated has_many objects...

ruby-on-rails activerecord associations