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improve AR/CHANGELOG [ci skip]

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Francesco Rodriguez 2012-09-16 22:34:43 -05:00
parent beaac33f9f
commit 0aaf87c1e1
1 changed files with 68 additions and 44 deletions
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activerecord/CHANGELOG.md
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@ -14,7 +14,7 @@
self.primary_key = :title
end
Post.find_in_batches(:start => 'My First Post') do |batch|
Post.find_in_batches(start: 'My First Post') do |batch|
batch.each { |post| post.author.greeting }
end
@ -26,15 +26,15 @@
*Matt Jones*
* Accept belongs_to (including polymorphic) association keys in queries
* Accept belongs_to (including polymorphic) association keys in queries.
The following queries are now equivalent:
Post.where(:author => author)
Post.where(:author_id => author)
Post.where(author: author)
Post.where(author_id: author)
PriceEstimate.where(:estimate_of => treasure)
PriceEstimate.where(:estimate_of_type => 'Treasure', :estimate_of_id => treasure)
PriceEstimate.where(estimate_of: treasure)
PriceEstimate.where(estimate_of_type: 'Treasure', estimate_of_id: treasure)
*Peter Brown*
@ -44,6 +44,7 @@
*kennyj*
* PostgreSQL inet and cidr types are converted to `IPAddr` objects.
*Dan McClain*
* PostgreSQL array type support. Any datatype can be used to create an
@ -52,15 +53,15 @@
To declare an array column, use the following syntax:
create_table :table_with_arrays do |t|
t.integer :int_array, :array => true
t.integer :int_array, array: true
# integer[]
t.integer :int_array, :array => true, :length => 2
t.integer :int_array, array: true, :length => 2
# smallint[]
t.string :string_array, :array => true, :length => 30
t.string :string_array, array: true, length: 30
# char varying(30)[]
end
This respects any other migraion detail (limits, defaults, etc).
This respects any other migration detail (limits, defaults, etc).
ActiveRecord will serialize and deserialize the array columns on
their way to and from the database.
@ -70,13 +71,13 @@
must have the same number of elements as its siblings).
If the `pg_array_parser` gem is available, it will be used when
parsing PostgreSQL's array representation
parsing PostgreSQL's array representation.
*Dan McClain*
* Attribute predicate methods, such as `article.title?`, will now raise
`ActiveModel::MissingAttributeError` if the attribute being queried for
truthiness was not read from the database, instead of just returning false.
truthiness was not read from the database, instead of just returning `false`.
*Ernie Miller*
@ -85,9 +86,13 @@
*Konstantin Shabanov*
* Map interval with precision to string datatype in PostgreSQL. Fixes #7518. *Yves Senn*
* Map interval with precision to string datatype in PostgreSQL. Fixes #7518.
* Fix eagerly loading associations without primary keys. Fixes #4976. *Kelley Reynolds*
*Yves Senn*
* Fix eagerly loading associations without primary keys. Fixes #4976.
*Kelley Reynolds*
* Rails now raise an exception when you're trying to run a migration that has an invalid
file name. Only lower case letters, numbers, and '_' are allowed in migration's file name.
@ -114,16 +119,18 @@
*Dickson S. Guedes*
* Fix time column type casting for invalid time string values to correctly return nil.
* Fix time column type casting for invalid time string values to correctly return `nil`.
*Adam Meehan*
* Allow to pass Symbol or Proc into :limit option of #accepts_nested_attributes_for.
* Allow to pass Symbol or Proc into `:limit` option of #accepts_nested_attributes_for.
*Mikhail Dieterle*
* ActiveRecord::SessionStore has been extracted from Active Record as `activerecord-session_store`
gem. Please read the `README.md` file on the gem for the usage. *Prem Sichanugrist*
gem. Please read the `README.md` file on the gem for the usage.
*Prem Sichanugrist*
* Fix `reset_counters` when there are multiple `belongs_to` association with the
same foreign key and one of them have a counter cache.
@ -259,6 +266,7 @@
* 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
@ -280,10 +288,10 @@
* `ActiveRecord::Relation#inspect` now makes it clear that you are
dealing with a `Relation` object rather than an array:.
User.where(:age => 30).inspect
User.where(age: 30).inspect
# => <ActiveRecord::Relation [#<User ...>, #<User ...>, ...]>
User.where(:age => 30).to_a.inspect
User.where(age: 30).to_a.inspect
# => [#<User ...>, #<User ...>]
The number of records displayed will be limited to 10.
@ -394,10 +402,14 @@
*kennyj*
* Add uuid datatype support to PostgreSQL adapter. *Konstantin Shabanov*
* Add uuid datatype support to PostgreSQL adapter.
*Konstantin Shabanov*
* Added `ActiveRecord::Migration.check_pending!` that raises an error if
migrations are pending. *Richard Schneeman*
migrations are pending.
*Richard Schneeman*
* Added `#destroy!` which acts like `#destroy` but will raise an
`ActiveRecord::RecordNotDestroyed` exception instead of returning `false`.
@ -447,7 +459,7 @@
methods which previously accepted "finder options" no longer do. For
example this:
Post.find(:all, :conditions => { :comments_count => 10 }, :limit => 5)
Post.find(:all, conditions: { comments_count: 10 }, limit: 5)
Should be rewritten in the new style which has existed since Rails 3:
@ -455,7 +467,7 @@
Note that as an interim step, it is possible to rewrite the above as:
Post.all.merge(:where => { :comments_count => 10 }, :limit => 5)
Post.all.merge(where: { comments_count: 10 }, limit: 5)
This could save you a lot of work if there is a lot of old-style
finder usage in your application.
@ -465,9 +477,9 @@
finder method. These are mostly identical to the old-style finder
option names, except in the following cases:
* `:conditions` becomes `:where`
* `:include` becomes `:includes`
* `:extend` becomes `:extending`
* `:conditions` becomes `:where`.
* `:include` becomes `:includes`.
* `:extend` becomes `:extending`.
The code to implement the deprecated features has been moved out to
the `activerecord-deprecated_finders` gem. This gem is a dependency
@ -482,7 +494,7 @@
*Johannes Barre*
* Added ability to ActiveRecord::Relation#from to accept other ActiveRecord::Relation objects
* Added ability to ActiveRecord::Relation#from to accept other ActiveRecord::Relation objects.
Record.from(subquery)
Record.from(subquery, :a)
@ -508,7 +520,7 @@
*Marcelo Silveira*
* Added an :index option to automatically create indexes for references
* Added an `:index` option to automatically create indexes for references
and belongs_to statements in migrations.
The `references` and `belongs_to` methods now support an `index`
@ -516,7 +528,7 @@
that is identical to options available to the add_index method:
create_table :messages do |t|
t.references :person, :index => true
t.references :person, index: true
end
Is the same as:
@ -528,7 +540,7 @@
Generators have also been updated to use the new syntax.
[Joshua Wood]
*Joshua Wood*
* Added bang methods for mutating `ActiveRecord::Relation` objects.
For example, while `foo.where(:bar)` will return a new object
@ -617,12 +629,12 @@
*kennyj*
* Added support for partial indices to PostgreSQL adapter
* Added support for partial indices to PostgreSQL adapter.
The `add_index` method now supports a `where` option that receives a
string with the partial index criteria.
add_index(:accounts, :code, :where => "active")
add_index(:accounts, :code, where: 'active')
Generates
@ -630,7 +642,7 @@
*Marcelo Silveira*
* Implemented ActiveRecord::Relation#none method
* Implemented ActiveRecord::Relation#none method.
The `none` method returns a chainable relation with zero records
(an instance of the NullRelation class).
@ -641,9 +653,11 @@
*Juanjo Bazán*
* Added the `ActiveRecord::NullRelation` class implementing the null
object pattern for the Relation class. *Juanjo Bazán*
object pattern for the Relation class.
* Added new `:dependent => :restrict_with_error` option. This will add
*Juanjo Bazán*
* Added new `dependent: :restrict_with_error` option. This will add
an error to the model, rather than raising an exception.
The `:restrict` option is renamed to `:restrict_with_exception` to
@ -651,20 +665,22 @@
*Manoj Kumar & Jon Leighton*
* Added `create_join_table` migration helper to create HABTM join tables
* Added `create_join_table` migration helper to create HABTM join tables.
create_join_table :products, :categories
# =>
# create_table :categories_products, :id => false do |td|
# td.integer :product_id, :null => false
# td.integer :category_id, :null => false
# create_table :categories_products, id: false do |td|
# td.integer :product_id, null: false
# td.integer :category_id, null: false
# end
*Rafael Mendonça França*
* The primary key is always initialized in the @attributes hash to nil (unless
* The primary key is always initialized in the @attributes hash to `nil` (unless
another value has been specified).
*Aaron Paterson*
* In previous releases, the following would generate a single query with
an `OUTER JOIN comments`, rather than two separate queries:
@ -695,14 +711,18 @@
loading. Basically, don't worry unless you see a deprecation warning
or (in future releases) an SQL error due to a missing JOIN.
[Jon Leighton]
*Jon Leighton*
* Support for the `schema_info` table has been dropped. Please
switch to `schema_migrations`.
*Aaron Patterson*
* Connections *must* be closed at the end of a thread. If not, your
connection pool can fill and an exception will be raised.
*Aaron Patterson*
* Added the `ActiveRecord::Model` module which can be included in a
class as an alternative to inheriting from `ActiveRecord::Base`:
@ -733,6 +753,10 @@
* PostgreSQL hstore records can be created.
*Aaron Patterson*
* PostgreSQL hstore types are automatically deserialized from the database.
*Aaron Patterson*
Please check [3-2-stable](https://github.com/rails/rails/blob/3-2-stable/activerecord/CHANGELOG.md) for previous changes.