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New posts in rails-activerecord

Adding parameter to a scope

ruby-on-rails ruby-on-rails-3.2 rails-activerecord

ActiveRecord query through multiple joins

ruby-on-rails-4 rails-activerecord active-record-query

consolidating multiple column counts into a single query with Rails 4 Activerecord

ruby-on-rails postgresql rails-activerecord

Compare only the times of two timestamps in postgres

sql postgresql rails-activerecord rails-postgresql

Implementing the composite pattern in Ruby on Rails

ruby-on-rails design-patterns polymorphism rails-activerecord composite

ActiveRecord :includes - how to use map with loaded associations?

ruby-on-rails ruby activerecord ruby-on-rails-3.2 rails-activerecord

Rails ActiveRecord handle an id column that is not the primary key

mysql ruby-on-rails rails-activerecord primary-key

Performance differences between .exists? and .where.present?

ruby-on-rails ruby-on-rails-3 performance rails-activerecord

Rails find_by_sql - Use "?" literally rather than as bind variable?

ruby-on-rails activerecord rails-activerecord

How can I simulate `OR` conditions for `has_many` association in Rails 5?

ruby-on-rails rails-activerecord ruby-on-rails-5

How to prevent nested create failing with scoped has_many in ActiveRecord?

ruby-on-rails ruby activerecord ruby-on-rails-5 rails-activerecord

Changing table name at query run time in a Rails application

ruby-on-rails ruby activerecord rails-activerecord

Rails Postgres query, selecting only items that appear in all search params with associations

sql ruby-on-rails postgresql ruby-on-rails-5 rails-activerecord

Rubocop Uniqueness validation should be with a unique index, in values that start from some specific values

ruby-on-rails ruby rails-activerecord activemodel rubocop

How to get this postgres group by date count include days with 0

ruby-on-rails postgresql activerecord rails-activerecord

Merge arrays in Ruby/Rails

ruby-on-rails ruby ruby-on-rails-4 orm rails-activerecord

Ruby on Rails: Running custom validation function only when other properties are present

ruby-on-rails ruby rails-activerecord rspec-rails

Rails Active Record has nil id after commit

ruby-on-rails ruby rails-activerecord
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