124 lines
3.1 KiB
Markdown
124 lines
3.1 KiB
Markdown
* `validates_size_of` / `validates_length_of` do not count records,
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which are `marked_for_destruction?`.
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Fixes #7247.
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*Yves Senn*
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* Ensure `first!` and friends work on loaded associations.
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Fixes #18237.
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*Sean Griffin*
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* `eager_load` preserves readonly flag for associations.
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Closes #15853.
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*Takashi Kokubun*
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* Provide `:touch` option to `save()` to accommodate saving without updating
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timestamps.
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Fixes #18202.
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*Dan Olson*
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* Provide a more helpful error message when an unsupported class is passed to
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`serialize`.
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Fixes #18224.
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*Sean Griffin*
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* Add bigint primary key support for MySQL.
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Example:
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create_table :foos, id: :bigint do |t|
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end
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*Ryuta Kamizono*
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* Support for any type primary key.
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Fixes #14194.
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*Ryuta Kamizono*
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* Dump the default `nil` for PostgreSQL UUID primary key.
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*Ryuta Kamizono*
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* Add a `:foreign_key` option to `references` and associated migration
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methods. The model and migration generators now use this option, rather than
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the `add_foreign_key` form.
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*Sean Griffin*
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* Don't raise when writing an attribute with an out-of-range datetime passed
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by the user.
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*Grey Baker*
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* Replace deprecated `ActiveRecord::Tasks::DatabaseTasks#load_schema` with
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`ActiveRecord::Tasks::DatabaseTasks#load_schema_for`.
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*Yves Senn*
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* Fixes bug with 'ActiveRecord::Type::Numeric' that causes negative values to
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be marked as having changed when set to the same negative value.
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Closes #18161.
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*Daniel Fox*
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* Introduce `force: :cascade` option for `create_table`. Using this option
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will recreate tables even if they have dependent objects (like foreign keys).
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`db/schema.rb` now uses `force: :cascade`. This makes it possible to
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reload the schema when foreign keys are in place.
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*Matthew Draper*, *Yves Senn*
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* `db:schema:load` and `db:structure:load` no longer purge the database
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before loading the schema. This is left for the user to do.
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`db:test:prepare` will still purge the database.
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Closes #17945.
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*Yves Senn*
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* Fix undesirable RangeError by `Type::Integer`. Add `Type::UnsignedInteger`.
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*Ryuta Kamizono*
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* Add `foreign_type` option to `has_one` and `has_many` association macros.
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This option enables to define the column name of associated object's type for polymorphic associations.
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*Ulisses Almeida, Kassio Borges*
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* Remove deprecated behavior allowing nested arrays to be passed as query
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values.
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*Melanie Gilman*
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* Deprecate passing a class as a value in a query. Users should pass strings
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instead.
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*Melanie Gilman*
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* `add_timestamps` and `remove_timestamps` now properly reversible with
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options.
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*Noam Gagliardi-Rabinovich*
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* `ActiveRecord::ConnectionAdapters::ColumnDumper#column_spec` and
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`ActiveRecord::ConnectionAdapters::ColumnDumper#prepare_column_options` no
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longer have a `types` argument. They should access
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`connection#native_database_types` directly.
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*Yves Senn*
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Please check [4-2-stable](https://github.com/rails/rails/blob/4-2-stable/activerecord/CHANGELOG.md) for previous changes.
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