Rails

Rails Pattern Matching for ActiveModel

Rails now provides pattern matching support for ActiveModel (and transitively ActiveRecord)

Rails Aliased Attributes in insert_all

Rails is continuously adding convenience to make active record queries more flexible.

Rails 7 Arel adds support for FILTER clause

Rails 7 Arel adds support for FILTER clause, enabling more powerful aggregate queries in PostgreSQL.

How to write SQL queries in Rails?

ActiveRecord in Rails helps developers to simplify the process of interacting with databases.

Rails 7 now lazy loads schema cache

Use a config option to now switch between eager and lazy schema cache loading.

Rails connected_to Without Role

The connected_to block no longer throws an ArgumentError when called without a role parameter so as to pave the way for a more simplified and buildable syntax.

Rails 7 Deferrable Foreign Keys

By default, foreign key constraints in PostgreSQL are checked after each statement.

Rails Prevents Unwarranted Shard Swapping

Rails provides the config option ActiveRecord::Base.prohibit_shard_swapping that prevents swapping of database shards.

Rails 7 with_lock Transaction Args

With Rails 7 we can pass transaction arguments like isolation, joinable, etc directly to with_lock

Rails loads ActionCable via Zeitwerk

Zeitwerk is a new thread-safe code loader introduced in Rails 6. Now, ActionCable and other related modules are loaded via Zeitwerk.