Apr 14, 2020
Using Optimizer Hints in Rails
Optimizer Hints allows us to control the query optimizer of a database system. Rails 6 has added support to provide Optimizer Hints.
Apr 14, 2020
Rails 6.1 adds ActionCable::Channel#stream_or_reject_for
Rails 6.1 adds `ActionCable::Channel#stream_or_reject_for` to stream or reject connection based on presence of record
Apr 8, 2020
Heredocs and how to use them in Ruby and Rails
What are heredoc and different ways to use them in Ruby and Rails.
Apr 6, 2020
Rails has deprecated using return, break and throw to exit a transaction
Rails has disallowed using return, break and throw for exiting early from a transaction and having it committed.
Mar 30, 2020
Rails ActiveRecord::Relation#pick now uses already loaded results
Rails ActiveRecord::Relation#pick now uses already loaded results instead of making a new query everytime.
Mar 24, 2020
Rails [attribute_name]_previously_changed? accepts :from and :to arguments
Rails Active Model Dirty method [attribute_name]_previously_changed? now accepts :from and :to arguments just like [attribute_name]_changed?
Mar 18, 2020
Rails - Allows to specify schema cache path in database configuration file
Rails now exposes a new configuration for specifying the location of the schema cache file. This can be done in database.yml using schema_cache_path key.
Mar 17, 2020
Rails has added support in Action Cable to unsubscribe from specific stream
Rails adds ActionCable::Channel#stop_stream_from and ActionCable::Channel#stop_stream_for methods to allow user to unsubscribe from specific stream
Mar 6, 2020
Eager loading Active Storage models to avoid N+1 issues
Removing N+1 queries when we access the Active Storage attachments associated with an ActiveRecord model.
Mar 4, 2020
Rails adds jitter to ActiveJob::Exceptions.retry_on
Rails adds jitter to ActiveJob::Exceptions.retry_on to cater to thundering herd effect
