diff options
Diffstat (limited to 'activerecord/CHANGELOG.md')
| -rw-r--r-- | activerecord/CHANGELOG.md | 60 |
1 files changed, 56 insertions, 4 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 00f290d964..36d94fb38b 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,5 +1,57 @@ ## Rails 4.0.0 (unreleased) ## +* Add `add_reference` and `remove_reference` schema statements. Aliases, `add_belongs_to` + and `remove_belongs_to` are acceptable. References are reversible. + Examples: + + # Create a user_id column + add_reference(:products, :user) + # Create a supplier_id, supplier_type columns and appropriate index + add_reference(:products, :supplier, polymorphic: true, index: true) + # Remove polymorphic reference + remove_reference(:products, :supplier, polymorphic: true) + + *Aleksey Magusev* + +* Add `:default` and `:null` options to `column_exists?`. + + column_exists?(:testings, :taggable_id, :integer, null: false) + column_exists?(:testings, :taggable_type, :string, default: 'Photo') + + *Aleksey Magusev* + +* `ActiveRecord::Relation#inspect` now makes it clear that you are + dealing with a `Relation` object rather than an array:. + + User.where(:age => 30).inspect + # => <ActiveRecord::Relation [#<User ...>, #<User ...>, ...]> + + User.where(:age => 30).to_a.inspect + # => [#<User ...>, #<User ...>] + + The number of records displayed will be limited to 10. + + *Brian Cardarella, Jon Leighton & Damien Mathieu* + +* Add `collation` and `ctype` support to PostgreSQL. These are available for PostgreSQL 8.4 or later. + Example: + + development: + adapter: postgresql + host: localhost + database: rails_development + username: foo + password: bar + encoding: UTF8 + collation: ja_JP.UTF8 + ctype: ja_JP.UTF8 + + *kennyj* + +* `FinderMethods#exists?` now returns `false` with the `false` argument. + + *Egor Lynko* + * Added support for specifying the precision of a timestamp in the postgresql adapter. So, instead of having to incorrectly specify the precision using the `:limit` option, you may use `:precision`, as intended. For example, in a migration: @@ -12,7 +64,7 @@ *Tony Schneider* -* Allow ActiveRecord::Relation#pluck to accept multiple columns. Returns an +* Allow `ActiveRecord::Relation#pluck` to accept multiple columns. Returns an array of arrays containing the typecasted values: Person.pluck(:id, :name) @@ -53,7 +105,7 @@ *Andrew White* -* Move HABTM validity checks to ActiveRecord::Reflection. One side effect of +* Move HABTM validity checks to `ActiveRecord::Reflection`. One side effect of this is to move when the exceptions are raised from the point of declaration to when the association is built. This is consistant with other association validity checks. @@ -61,7 +113,7 @@ *Andrew White* * Added `stored_attributes` hash which contains the attributes stored using - ActiveRecord::Store. This allows you to retrieve the list of attributes + `ActiveRecord::Store`. This allows you to retrieve the list of attributes you've defined. class User < ActiveRecord::Base @@ -817,7 +869,7 @@ * LRU cache in mysql and sqlite are now per-process caches. - * lib/active_record/connection_adapters/mysql_adapter.rb: LRU cache keys are per process id. + * lib/active_record/connection_adapters/mysql_adapter.rb: LRU cache keys are per process id. * lib/active_record/connection_adapters/sqlite_adapter.rb: ditto *Aaron Patterson* |