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New posts in activerecord
Count of a relation using arel in active record
Apr 12, 2021
ruby-on-rails
ruby
activerecord
arel
Ruby on Rails: Nested named scopes
Dec 04, 2016
ruby-on-rails
activerecord
include
nested
named-scope
Rails polymorphic association without Type (unique id)
Sep 15, 2018
ruby-on-rails-3
activerecord
rails active record: update a table with join
Jan 28, 2019
ruby-on-rails
activerecord
Securely escaping dynamic table names in MySQL using Codeigniter
Aug 15, 2020
php
mysql
security
codeigniter
activerecord
Why are individual SELECT queries running when an all-encompassing SELECT already ran? (Rails/ActiveRecord)
Dec 07, 2021
sql
ruby-on-rails
activerecord
ruby-on-rails-3.2
query-optimization
How to generate database schema graph for one application using ActiveRecord?
Jan 31, 2020
ruby-on-rails
ruby
database
activerecord
schema
Using OrientDB's JDBC driver with ActiveRecord
Aug 03, 2019
ruby-on-rails
activerecord
jdbc
jruby
orientdb
gem groupdate issue with 2 timezones for same column
Oct 17, 2021
mysql
ruby-on-rails
ruby
activerecord
Rails: how to eager load limited records of ordered association without N+1 queries
Sep 19, 2021
ruby-on-rails
ruby
database
activerecord
What to use instead of Polymorphic Associations?
Dec 14, 2019
sql
ruby-on-rails
postgresql
database-design
activerecord
Rails: batched attribute queries using AREL
Nov 09, 2014
sql
ruby-on-rails
activerecord
arel
How was ActiveRecord "none" method implemented with NullRelation?
Oct 28, 2022
ruby-on-rails
activerecord
How to establish_connection with more than one database in parallel in Rails?
Aug 20, 2022
mysql
ruby-on-rails
database
activerecord
connection-pooling
Table name corruption errors in ActiveRecord
Apr 21, 2022
ruby-on-rails
ruby
activerecord
puma
Is it OK to specify a schema in `table_name_prefix`?
Oct 21, 2022
ruby-on-rails
ruby
postgresql
activerecord
schema
How to make attribute setter send value through SQL function
Dec 19, 2021
sql
ruby-on-rails
postgresql
activerecord
arel
Multiple database connections: schema_migrations is looked up in the wrong database
Nov 26, 2021
ruby-on-rails
ruby-on-rails-3
activerecord
migration
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