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authorYves Senn <yves.senn@gmail.com>2015-12-23 12:06:38 +0100
committerYves Senn <yves.senn@gmail.com>2015-12-23 12:06:38 +0100
commite426258aa263d2646aad27e498f550ac49a8d388 (patch)
tree71fc965b127fbcedd52b9f8d06c45ad06a38c43a
parent4961fb21a90d9539e0619ab88ec9a5647ce11d83 (diff)
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release notes, extracted notable changes from Active Record CHANGELOG.
[ci skip]
-rw-r--r--activerecord/CHANGELOG.md23
-rw-r--r--guides/source/5_0_release_notes.md164
2 files changed, 176 insertions, 11 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index fb6c5e7e81..2551841aaf 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -50,7 +50,7 @@
change, passing a string containing a comma to `limit` has been deprecated,
and passing an Arel node to `limit` is no longer supported.
- Fixes #22250
+ Fixes #22250.
*Sean Griffin*
@@ -312,7 +312,7 @@
* Don't cache arguments in `#find_by` if they are an `ActiveRecord::Relation`.
- Fixes #20817
+ Fixes #20817.
*Hiroaki Izu*
@@ -441,9 +441,9 @@
* Ensure `select` quotes aliased attributes, even when using `from`.
- Fixes #21488
+ Fixes #21488.
- *Sean Griffin & @johanlunds*
+ *Sean Griffin*, *@johanlunds*
* MySQL: support `unsigned` numeric data types.
@@ -769,7 +769,7 @@
* Include the `Enumerable` module in `ActiveRecord::Relation`
- *Sean Griffin & bogdan*
+ *Sean Griffin*, *bogdan*
* Use `Enumerable#sum` in `ActiveRecord::Relation` if a block is given.
@@ -805,7 +805,7 @@
Fixes #20515.
- *Sean Griffin & jmondo*
+ *Sean Griffin*, *jmondo*
* Deprecate the PostgreSQL `:point` type in favor of a new one which will return
`Point` objects instead of an `Array`
@@ -1195,13 +1195,16 @@
*Sean Griffin*
* `scoping` no longer pollutes the current scope of sibling classes when using
- STI. e.x.
+ STI.
+
+ Fixes #18806.
+
+ Example:
StiOne.none.scoping do
StiTwo.all
end
- Fixes #18806.
*Sean Griffin*
@@ -1242,7 +1245,7 @@
* Use `SCHEMA` instead of `DB_STRUCTURE` for specifying a structure file.
- This makes the db:structure tasks consistent with test:load_structure.
+ This makes the `db:structure` tasks consistent with `test:load_structure`.
*Dieter Komendera*
@@ -1278,7 +1281,7 @@
Fixes #17621.
- *Eileen M. Uchitelle, Aaron Patterson*
+ *Eileen M. Uchitelle*, *Aaron Patterson*
* Fix n+1 query problem when eager loading nil associations (fixes #18312)
diff --git a/guides/source/5_0_release_notes.md b/guides/source/5_0_release_notes.md
index 1d2ffa8cba..692d2d54c1 100644
--- a/guides/source/5_0_release_notes.md
+++ b/guides/source/5_0_release_notes.md
@@ -329,25 +329,104 @@ Please refer to the [Changelog][active-record] for detailed changes.
### Removals
+* Removed deprecated behavior allowing nested arrays to be passed as query
+ values. ([Pull Request](https://github.com/rails/rails/pull/17919))
+
+* Removed deprecated `ActiveRecord::Tasks::DatabaseTasks#load_schema`. This
+ method was replaced by `ActiveRecord::Tasks::DatabaseTasks#load_schema_for`.
+ ([commit](https://github.com/rails/rails/commit/ad783136d747f73329350b9bb5a5e17c8f8800da))
+
+* Removed deprecated `serialized_attributes`.
+ ([commit](https://github.com/rails/rails/commit/82043ab53cb186d59b1b3be06122861758f814b2))
+
+* Removed deprecated automatic counter caches on `has_many :through`.
+ ([commit](https://github.com/rails/rails/commit/87c8ce340c6c83342df988df247e9035393ed7a0))
+
+* Removed deprecated `sanitize_sql_hash_for_conditions`.
+ ([commit](https://github.com/rails/rails/commit/3a59dd212315ebb9bae8338b98af259ac00bbef3))
+
+* Removed deprecated `Reflection#source_macro`.
+ ([commit](https://github.com/rails/rails/commit/ede8c199a85cfbb6457d5630ec1e285e5ec49313))
+
+* Removed deprecated `symbolized_base_class` and `symbolized_sti_name`.
+ ([commit](https://github.com/rails/rails/commit/9013e28e52eba3a6ffcede26f85df48d264b8951))
+
+* Removed deprecated `ActiveRecord::Base.disable_implicit_join_references=`.
+ ([commit](https://github.com/rails/rails/commit/0fbd1fc888ffb8cbe1191193bf86933110693dfc))
+
+* Removed deprecated access to connection specification using a string accessor.
+ ([commit](https://github.com/rails/rails/commit/efdc20f36ccc37afbb2705eb9acca76dd8aabd4f))
+
+* Removed deprecated support to preload instance-dependent associations.
+ ([commit](https://github.com/rails/rails/commit/4ed97979d14c5e92eb212b1a629da0a214084078))
+
+* Removed deprecated support for PostgreSQL ranges with exclusive lower bounds.
+ ([commit](https://github.com/rails/rails/commit/a076256d63f64d194b8f634890527a5ed2651115))
+
+* Removed deprecation when modifying a relation with cached Arel.
+ This raises an `ImmutableRelation` error instead.
+ ([commit](https://github.com/rails/rails/commit/3ae98181433dda1b5e19910e107494762512a86c))
+
+* Removed `ActiveRecord::Serialization::XmlSerializer` from core. This feature
+ has been extracted into the
+ [activemodel-serializers-xml](https://github.com/rails/activemodel-serializers-xml)
+ gem. ([Pull Request](https://github.com/rails/rails/pull/21161))
+
+* Removed support for the legacy `mysql` database adapter from core. It will
+ live on in a separate gem for now, but most users should just use `mysql2`.
+
### Deprecations
+* Deprecated passing a class as a value in a query. Users should pass strings
+ instead. ([Pull Request](https://github.com/rails/rails/pull/17916))
+
* Deprecated returning `false` as a way to halt Active Record callback
chains. The recommended way is to
`throw(:abort)`. ([Pull Request](https://github.com/rails/rails/pull/17227))
+* Deprecated `ActiveRecord::Base.errors_in_transactional_callbacks=`.
+ ([commit](https://github.com/rails/rails/commit/07d3d402341e81ada0214f2cb2be1da69eadfe72))
+
+* Deprecated passing of `start` value to `find_in_batches` and `find_each`
+ in favour of `begin_at` value.
+ ([Pull Request](https://github.com/rails/rails/pull/18961))
+
+* Deprecated `Relation#uniq` use `Relation#distinct` instead.
+ ([commit](https://github.com/rails/rails/commit/adfab2dcf4003ca564d78d4425566dd2d9cd8b4f))
+
+* Deprecated the PostgreSQL `:point` type in favor of a new one which will return
+ `Point` objects instead of an `Array`
+ ([Pull Request](https://github.com/rails/rails/pull/20448))
+
+* Deprecated force association reload by passing a truthy argument to
+ association method.
+ ([Pull Request](https://github.com/rails/rails/pull/20888))
+
+* Deprecated the keys for association `restrict_dependent_destroy` errors in favor
+ of new key names.
+ ([Pull Request](https://github.com/rails/rails/pull/20668))
+
* Synchronize behavior of `#tables`.
([Pull Request](https://github.com/rails/rails/pull/21601))
+* Deprecated `SchemaCache#tables`, `SchemaCache#table_exists?` and
+ `SchemaCache#clear_table_cache!` in favor of their new data source
+ counterparts.
+ ([Pull Request](https://github.com/rails/rails/pull/21715))
+
* Deprecated `connection.tables` on the SQLite3 and MySQL adapters.
+ ([Pull Request](https://github.com/rails/rails/pull/21601))
* Deprecated passing arguments to `#tables` - the `#tables` method of some
adapters (mysql2, sqlite3) would return both tables and views while others
(postgresql) just return tables. To make their behavior consistent,
`#tables` will return only tables in the future.
+ ([Pull Request](https://github.com/rails/rails/pull/21601))
* Deprecated `table_exists?` - The `#table_exists?` method would check both
tables and views. To make their behavior consistent with `#tables`,
`#table_exists?` will check only tables in the future.
+ ([Pull Request](https://github.com/rails/rails/pull/21601))
### Notable changes
@@ -370,6 +449,89 @@ Please refer to the [Changelog][active-record] for detailed changes.
([Pull Request](https://github.com/rails/rails/pull/18937)) - Deprecate
`required` option in favor of `optional` for `belongs_to`
+* Changed the default `null` value for `timestamps` to `false`.
+ ([commit](https://github.com/rails/rails/commit/a939506f297b667291480f26fa32a373a18ae06a))
+
+* Added `ActiveRecord::SecureToken` in order to encapsulate generation of
+ unique tokens for attributes in a model using `SecureRandom`.
+ ([Pull Request](https://github.com/rails/rails/pull/18217))
+
+* Added `:if_exists` option for `drop_table`.
+ ([Pull Request](https://github.com/rails/rails/pull/18597))
+
+* Added `ActiveRecord::Base#accessed_fields`, which can be used to quickly
+ discover which fields were read from a model when you are looking to only
+ select the data you need from the database.
+ ([commit](https://github.com/rails/rails/commit/be9b68038e83a617eb38c26147659162e4ac3d2c))
+
+* Added the `#or` method on `ActiveRecord::Relation`, allowing use of the OR
+ operator to combine WHERE or HAVING clauses.
+ ([commit](https://github.com/rails/rails/commit/b0b37942d729b6bdcd2e3178eda7fa1de203b3d0))
+
+* Added `:time` option added for `#touch`.
+ ([Pull Request](https://github.com/rails/rails/pull/18956))
+
+* Added `ActiveRecord::Base.suppress` to prevent the receiver from being saved
+ during the given block.
+ ([Pull Request](https://github.com/rails/rails/pull/18910))
+
+* `belongs_to` will now trigger a validation error by default if the
+ association is not present. You can turn this off on a per-association basis
+ with `optional: true`.
+ ([Pull Request](https://github.com/rails/rails/pull/18937))
+
+* Added `config.active_record.dump_schemas` to configure the behavior of
+ `db:structure:dump`.
+ ([Pull Request](https://github.com/rails/rails/pull/19347))
+
+* Added `config.active_record.warn_on_records_fetched_greater_than` option.
+ ([Pull Request](https://github.com/rails/rails/pull/18846))
+
+* Added `cache_key` to `ActiveRecord::Relation`.
+ ([Pull Request](https://github.com/rails/rails/pull/20884))
+
+* Added a native JSON data type support in MySQL.
+ ([Pull Request](https://github.com/rails/rails/pull/21110))
+
+* Added support for dropping indexes concurrently in PostgreSQL.
+ ([Pull Request](https://github.com/rails/rails/pull/21317))
+
+* Added `#views` and `#view_exists?` methods on connection adapters.
+ ([Pull Request](https://github.com/rails/rails/pull/21609))
+
+* Added `ActiveRecord::Base.ignored_columns` to make some columns
+ invisible from Active Record.
+ ([Pull Request](https://github.com/rails/rails/pull/21720))
+
+* Added `connection.data_sources` and `connection.data_source_exists?`.
+ These methods determine what relations can be used to back Active Record
+ models (usually tables and views).
+ ([Pull Request](https://github.com/rails/rails/pull/21715))
+
+* Allow fixtures files to set the model class in the YAML file itself.
+ ([Pull Request](https://github.com/rails/rails/pull/20574))
+
+* Added ability to default to `uuid` as primary key when generating database
+ migrations. ([Pull Request](https://github.com/rails/rails/pull/21762))
+
+* Added `ActiveRecord::Relation#left_joins` and
+ `ActiveRecord::Relation#left_outer_joins`.
+ ([Pull Request](https://github.com/rails/rails/pull/12071))
+
+* Added `after_{create,update,delete}_commit` callbacks.
+ ([Pull Request](https://github.com/rails/rails/pull/22516))
+
+* Version the API presented to migration classes, so we can change parameter
+ defaults without breaking existing migrations, or forcing them to be
+ rewritten through a deprecation cycle.
+ ([Pull Request](https://github.com/rails/rails/pull/21538))
+
+* `ApplicationRecord` is a new superclass for all app models, analogous to app
+ controllers subclassing `ApplicationController` instead of
+ `ActionController::Base`. This gives apps a single spot to configure app-wide
+ model behavior.
+ ([Pull Request](https://github.com/rails/rails/pull/22567))
+
Active Model
------------
@@ -579,7 +741,7 @@ Please refer to the [Changelog][active-support] for detailed changes.
application source code, routes, locales, etc.
([Pull Request](https://github.com/rails/rails/pull/22254))
-* Add thread_m/cattr_accessor/reader/writer suite of methods for declaring
+* Added thread_m/cattr_accessor/reader/writer suite of methods for declaring
class and module variables that live per-thread.
([Pull Request](https://github.com/rails/rails/pull/22630))