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* Better error message for calling columns_hashGuilherme Mansur2019-06-194-0/+19
| | | | | | | | | | | | When a record does not have a table name, as in the case for a record with `self.abstract_class = true` and no `self.table_name` set the error message raises a cryptic: "ActiveRecord::StatementInvalid: Could not find table ''" this patch now raises a new `TableNotSpecified Error` Fixes: #36274 Co-Authored-By: Eugene Kenny <elkenny@gmail.com>
* Merge pull request #35891 from Shopify/schema-cache-deduplicationKasper Timm Hansen2019-06-1912-16/+123
|\ | | | | Deduplicate various Active Record schema cache structures
| * Deduplicate various Active Record schema cache structuresJean Boussier2019-06-0312-16/+123
| | | | | | | | | | | | | | | | | | | | | | | | Real world database schemas contain a lot of duplicated data. Some column names like `id`, `created_at` etc can easily be repeated hundreds of times. Same for SqlTypeMetada, most database will contain only a limited number of possible combinations. This result in a lot of wasted memory. The idea here is to make these data sctructures immutable, use a registry to substitute similar instances with pre-existing ones.
* | Merge pull request #36508 from kamipo/avoid_getutcRyuta Kamizono2019-06-183-10/+10
|\ \ | | | | | | Avoid redundant `time.getutc` call if it is already utc time object
| * | Avoid redundant `time.getutc` call if it is already utc time objectRyuta Kamizono2019-06-183-10/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently `type.serialize` and `connection.{quote|type_cast}` for a time object always does `time.getutc` call regardless of whether it is already utc time object or not, that duplicated proccess (`connection.type_cast(type.serialize(time))`) allocates extra/useless time objects for each type casting. This avoids that redundant `time.getutc` call if it is already utc time object. In the case of a model has timestamps (`created_at` and `updated_at`), it avoids 6,000 time objects allocation for 1,000 times `model.save`. ```ruby ObjectSpace::AllocationTracer.setup(%i{path line type}) pp ObjectSpace::AllocationTracer.trace { 1_000.times { User.create } }.select { |k, _| k[0].end_with?("quoting.rb", "time_value.rb") } ``` Before (c104bfe424e6cebe9c8e85a38515327a6c88b1f8): ``` {["~/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb", 203, :T_ARRAY]=>[1004, 0, 778, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb", 220, :T_STRING]=>[2, 0, 2, 1, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb", 209, :T_ARRAY]=>[8, 0, 8, 1, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb", 57, :T_ARRAY]=>[4, 0, 4, 1, 1, 0], ["~/rails/activemodel/lib/active_model/type/helpers/time_value.rb", 17, :T_DATA]=>[4000, 0, 3096, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb", 120, :T_DATA]=>[2000, 0, 1548, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb", 126, :T_STRING]=>[4000, 0, 3096, 0, 1, 0]} ``` After (this change): ``` {["~/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb", 203, :T_ARRAY]=>[1004, 0, 823, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb", 220, :T_STRING]=>[2, 0, 2, 1, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb", 209, :T_ARRAY]=>[8, 0, 8, 1, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb", 57, :T_ARRAY]=>[4, 0, 4, 1, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb", 126, :T_STRING]=>[2000, 0, 1638, 0, 1, 0]} ```
* | | Merge pull request #36482 from Shopify/fix-translation-helper-default-hashRafael França2019-06-172-1/+6
|\ \ \ | |/ / |/| | Fix TranslationHelper#translate handling of Hash defaults
| * | Fix TranslationHelper#translate handling of Hash defaultsJean Boussier2019-06-142-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is sometimes expected of the `translate` methods to return a Hash, for instance it's the case of the `number.format` key. As such users might need to specify a Hash default, e.g. `translate(:'some.format', default: { separator: '.', delimiter: ',' })`. This works as expected with the `I18n.translate` methods, however `TranslationHelper#translate` apply `Array()` on the default value. As a result the default value end up as `[:separator, '.', :delimiter, ',']`.
* | | Merge pull request #36506 from ↵Ryuta Kamizono2019-06-185-12/+30
|\ \ \ | | | | | | | | | | | | | | | | kamipo/group_by_with_order_by_virtual_count_attribute PostgreSQL: Fix GROUP BY with ORDER BY virtual count attribute
| * | | PostgreSQL: Fix GROUP BY with ORDER BY virtual count attributeRyuta Kamizono2019-06-175-12/+30
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GROUP BY with virtual count attribute is invalid for almost all databases, but it is valid for PostgreSQL, and it had worked until Rails 5.2.2, so it is a regression for Rails 5.2.3 (caused by 311f001). I can't find perfectly solution for fixing this for now, but I would not like to break existing apps, so I decided to allow referencing virtual count attribute in ORDER BY clause when GROUP BY aggrigation (it partly revert the effect of 311f001) to fix the regression #36022. Fixes #36022.
* | | Merge pull request #36502 from ↵Prem Sichanugrist2019-06-171-1/+1
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | abhaynikam/fix-typo-in-active-record-multiple-database-guides Fix typo initialzer -> initializer [ci skip]
| * | | Fix typo initialzer -> initializer [ci skip]Abhay Nikam2019-06-171-1/+1
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* | | Merge pull request #36497 from soartec-lab/move_date_and_time_method_to_timeRyuta Kamizono2019-06-166-128/+112
|\ \ \ | | | | | | | | Delete method definition in rails that is compatible with ruby defini…
| * | | Delete `DateAndTime` method definition in rails that is compatible with ruby ↵soartec-lab2019-06-166-128/+112
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | definition Tests are also only on the `Time` class Update doc forgetting to erase when moved Update guide `Date` class to `Time` class and defined file Update guide correction omission
* | | Update default value of `variable_content_types` and ↵yuuji.yaginuma2019-06-161-2/+2
| | | | | | | | | | | | | | | | | | `content_types_to_serve_as_binary` [ci skip] Ref: bcf370d689673031073ba2ac5588afe41cc315c9, 06ab7b27ea1c1ab357085439abacdb464f6742bf.
* | | Merge pull request #36493 from kamipo/remove_unused_attributes_forRyuta Kamizono2019-06-164-70/+1
|\ \ \ | | | | | | | | Remove unused `Arel::Attributes.for`
| * | | Remove unused `Arel::Attributes.for`Ryuta Kamizono2019-06-154-70/+1
| | | | | | | | | | | | | | | | `Arel::Attributes.for` is no longer used since https://github.com/rails/arel/pull/196.
* | | | Merge pull request #36494 from ↵Ryuta Kamizono2019-06-161-3/+3
|\ \ \ \ | |/ / / |/| | | | | | | | | | | soartec-lab/fix/guide_delete_description_for_date_and_time Delete 'ruby' in the description of the method defined in rails [skip ci]
| * | | Delete 'ruby' in the description of the method defined in rails [skip ci]soartec-lab2019-06-161-3/+3
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* | | Merge pull request #36483 from kamipo/no_allocation_to_sql_visitRyuta Kamizono2019-06-154-33/+34
|\ \ \ | | | | | | | | No allocation `Arel::Visitors::ToSql#visit`
| * | | No allocation `Arel::Visitors::ToSql#visit`Ryuta Kamizono2019-06-154-33/+34
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Each `visit o, collector` allocates one extra array due to receiving args by splat array. https://github.com/rails/rails/blob/2c3332cc4c0fa77dbe2e13e8a792f80fbd8f4ad3/activerecord/lib/arel/visitors/visitor.rb#L27-L29 Currently 1,000 times `User.where(id: 1).to_sql` allocates 13,000 arrays in `visitor.accept`. This avoids receiving args by splat array, it makes `visitor.accept` no array allocation. ```ruby ObjectSpace::AllocationTracer.setup(%i{path line type}) pp ObjectSpace::AllocationTracer.trace { 1_000.times { User.where(id: 1).to_sql } }.select { |k, _| k[2] == :T_ARRAY && k[0].end_with?("visitor.rb", "to_sql.rb") } ``` Before (2c3332cc4c0fa77dbe2e13e8a792f80fbd8f4ad3): ``` {["~/rails/activerecord/lib/arel/visitors/to_sql.rb", 18, :T_ARRAY]=>[1000, 0, 0, 0, 0, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/determine_if_preparable_visitor.rb", 11, :T_ARRAY]=>[1000, 0, 0, 0, 0, 0], ["~/rails/activerecord/lib/arel/visitors/visitor.rb", 12, :T_ARRAY]=>[1000, 0, 0, 0, 0, 0], ["~/rails/activerecord/lib/arel/visitors/to_sql.rb", 788, :T_ARRAY]=>[3000, 0, 0, 0, 0, 0], ["~/rails/activerecord/lib/arel/visitors/to_sql.rb", 794, :T_ARRAY]=>[3000, 0, 0, 0, 0, 0], ["~/rails/activerecord/lib/arel/visitors/to_sql.rb", 156, :T_ARRAY]=>[1000, 0, 0, 0, 0, 0], ["~/rails/activerecord/lib/arel/visitors/to_sql.rb", 443, :T_ARRAY]=>[1000, 0, 0, 0, 0, 0], ["~/rails/activerecord/lib/arel/visitors/to_sql.rb", 603, :T_ARRAY]=>[1000, 0, 0, 0, 0, 0], ["~/rails/activerecord/lib/arel/visitors/to_sql.rb", 611, :T_ARRAY]=>[1000, 0, 0, 0, 0, 0]} ``` After (this change): ``` {} ```
* | | :golf:Akira Matsuda2019-06-151-6/+2
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* | | Should find last created recordRyuta Kamizono2019-06-151-3/+3
| | | | | | | | | | | | | | | | | | | | | Tables in tests are not always empty so `klass.first` does not always find last created record. Fixes #36479.
* | | Ensure to reset actually used `@connection.schema_migration`'s table nameRyuta Kamizono2019-06-151-4/+4
| | | | | | | | | | | | https://buildkite.com/rails/rails/builds/61744#f12cc6cf-7458-4131-917a-9735615f6259/999-1010
* | | Fix `test_schema_names` to include "hint_plan" schemaRyuta Kamizono2019-06-151-1/+5
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* | | Merge pull request #36469 from ↵Eileen M. Uchitelle2019-06-148-49/+111
|\ \ \ | | | | | | | | | | | | | | | | eileencodes/move-while_preventing_writes-to-handler Move while_preventing_writes from conn to handler
| * | | Move while_preventing_writes from conn to handlereileencodes2019-06-148-49/+111
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If we put the `while_preventing_writes` on the connection then the middleware that sends reads to the primary and ensures they can't write will not work. The `while_preventing_writes` will only be applied to the connection which it's called on - which in the case of the middleware is Ar::Base. This worked fine if you called it directly like `OtherDbConn.connection.while_preventing_writes` but Rails didn't have a way of knowing you wanted to call it on all the connections. The change here moves the `while_preventing_writes` method from the connection to the handler so that it can block writes to all queries for that handler. This will apply to all the connections associated with that handler.
* | | Merge pull request #36488 from eileencodes/update-multi-db-docsEileen M. Uchitelle2019-06-141-1/+20
|\ \ \ | | | | | | | | Update multi-db docs
| * | | Update multi-db docseileencodes2019-06-141-1/+20
|/ / / | | | | | | | | | | | | | | | * Add note about schema cache * Add note about opening too many connections * Improve headers in caveats section
* | | Merge pull request #36439 from ↵Eileen M. Uchitelle2019-06-1417-150/+412
|\ \ \ | | | | | | | | | | | | | | | | eileencodes/move-schema-migration-to-migration-context Move SchemaMigration to migration_context
| * | | Move SchemaMigration to migration_contexteileencodes2019-06-1417-150/+412
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This PR moves the `schema_migration` to `migration_context` so that we can access the `schema_migration` per connection. This does not change behavior of the SchemaMigration if you are using one database. This also does not change behavior of any public APIs. `Migrator` is private as is `MigrationContext` so we can change these as needed. We now need to pass a `schema_migration` to `Migrator` so that we can run migrations on the right connection outside the context of a rake task. The bugs this fixes were discovered while debugging the issues around the SchemaCache on initialization with multiple database. It was clear that `get_all_versions` wouldn't work without these changes outside the context of a rake task (because in the rake task we establish a connection and change AR::Base.connection to the db we're running on). Because the `SchemaCache` relies on the `SchemaMigration` information we need to make sure we store it per-connection rather than on ActiveRecord::Base. [Eileen M. Uchitelle & Aaron Patterson]
* | | | Merge pull request #36484 from ↵Ryuta Kamizono2019-06-141-3/+3
|\ \ \ \ | |/ / / |/| | | | | | | | | | | albertoalmagro/alberto/reverse-column-is-reversible [ci skip] Update docs as `remove_column` can be reversed
| * | | [ci skip] Update docs as `remove_column` can be reversedAlberto Almagro2019-06-141-3/+3
| | | | | | | | | | | | | | | | | | | | As `remove_column` can be reversed when a type is provided this example was not accurate anymore.
* | | | Fix rubocop violationsRyuta Kamizono2019-06-142-3/+2
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* | | Merge pull request #36478 from kamipo/allocation_on_demand_in_transactionRyuta Kamizono2019-06-141-20/+35
|\ \ \ | | | | | | | | Allocation on demand in transactions
| * | | Allocation on demand in transactionsRyuta Kamizono2019-06-141-20/+35
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently 1,000 transactions creates 10,000 objects regardless whether it is necessary or not. This makes allocation on demand in transactions, now 1,000 transactions creates required 5,000 objects only by default. ```ruby ObjectSpace::AllocationTracer.setup(%i{path line type}) pp ObjectSpace::AllocationTracer.trace { 1_000.times { User.create } }.select { |k, _| k[0].end_with?("transaction.rb") } ``` Before (95d038f): ``` {["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 209, :T_HASH]=>[1000, 0, 715, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 210, :T_OBJECT]=>[1000, 0, 715, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 210, :T_HASH]=>[1000, 0, 715, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 80, :T_OBJECT]=>[1000, 0, 715, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 8, :T_ARRAY]=>[1000, 0, 715, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 81, :T_ARRAY]=>[1000, 0, 715, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 289, :T_STRING]=>[1000, 0, 714, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 116, :T_ARRAY]=>[1000, 0, 714, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 120, :T_ARRAY]=>[1000, 0, 714, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 121, :T_HASH]=>[1000, 0, 714, 0, 1, 0]} ``` After (this change): ``` {["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 213, :T_HASH]=>[1000, 0, 739, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 214, :T_OBJECT]=>[1000, 0, 739, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 214, :T_HASH]=>[1000, 0, 739, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 81, :T_OBJECT]=>[1000, 0, 739, 0, 1, 0], ["~/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb", 304, :T_STRING]=>[1000, 0, 738, 0, 1, 0]} ```
* | | Merge pull request #36477 from albertoalmagro/alberto/button-to-default-pathRafael França2019-06-131-1/+1
|\ \ \ | | | | | | | | [ci skip] Use default path in button_to documentation
| * | | [ci skip] Use default path in button_to documentationAlberto Almagro2019-06-131-1/+1
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | This is really a nit pick, but as this is the framework's documentation I think it should follow standards as many times as possible to avoid confusion in new users. If we were using `resources :articles` in routes. which is what scaffold adds, the generated helper would be `new_article_path` instead of `new_articles_path`.
* | | Merge pull request #36437 from sudara/fix_programmatic_clicks_with_data_remoteGannon McGibbon2019-06-132-2/+16
|\ \ \ | |/ / |/| | Fix programmatic clicks with data-remote
| * | Ensure non-mouse/programmatic clicks work with data-remoteSudara2019-06-132-2/+16
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* | | Make ActiveRecord `ConnectionPool.connections` thread-safe. (#36473)jeffdoering2019-06-133-1/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Make ActiveRecord `ConnectionPool.connections` thread-safe. ConnectionPool documentation is clear on the need to synchronize access to @connections but also states that public methods do not require synchronization. Existing code exposed @connections directly via attr_reader. The fix uses synchronize() to lock @connections then returns a copy to the caller using Array.dup(). Includes comments on the connections method that thread-safe access to the connections array does not imply thread-safety of accessing methods on the actual connections. Adds a test-case that modifies the pool using a supported method in one thread while a second thread accesses pool.connections. The test fails without this patch. Fixes #36465. * Update activerecord/test/cases/connection_pool_test.rb [jeffdoering + Rafael Mendonça França]
* | | Merge pull request #36466 from wbnns/update-missing-create-action-screenshotRafael França2019-06-131-0/+0
|\ \ \ | | | | | | | | images/getting_started: Update screenshot for missing action
| * | | [ci skip] images/getting_started: Update screenshot for missing actionWill Binns2019-06-121-0/+0
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* | | | Merge pull request #36388 from joelhawksley/actionview-componentAaron Patterson2019-06-134-1/+72
|\ \ \ \ | | | | | | | | | | Introduce ActionView::Component
| * | | | `RenderingHelper` supports rendering objects that `respond_to?` `:render_in`Joel Hawksley2019-06-124-1/+72
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Co-authored-by: Natasha Umer <natashau@github.com> Co-authored-by: Aaron Patterson <tenderlove@github.com> Co-authored-by: Shawn Allen <shawnbot@github.com> Co-authored-by: Emily Plummer <emplums@github.com> Co-authored-by: Diana Mounter <broccolini@github.com> Co-authored-by: John Hawthorn <jhawthorn@github.com> Co-authored-by: Nathan Herald <myobie@github.com> Co-authored-by: Zaid Zawaideh <zawaideh@github.com> Co-authored-by: Zach Ahn <engineering@zachahn.com>
| * | | | Merge pull request #2 from rails/masterJoel Hawksley2019-06-0365-293/+486
| |\ \ \ \ | | | | | | | | | | | | merge master
* | | | | | Ensure to reset migration version after testing migrationRyuta Kamizono2019-06-131-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "schema_migrations" table may be hard dropped before, so the reset migration version should be done in ensure block. https://buildkite.com/rails/rails/builds/61697#18d6f3ac-2257-4f4b-8efc-4010464c4d9a/999-1011
* | | | | | Reset migration version before testing migrationRyuta Kamizono2019-06-131-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | https://buildkite.com/rails/rails/builds/61695#373bb1a7-677f-49ec-95e7-a92467fefd60/1076-1084
* | | | | | Avoid implicit rollback when testing migrationRyuta Kamizono2019-06-131-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "schema_migrations" is hard dropped by some existing tests, so testing migration in using transactional tests may cause implicit creation and rollback "schema_migrations" table, it makes migration tests flaky. https://buildkite.com/rails/rails/builds/61692#42383249-30be-4508-b1fb-a7bb27600c8e/999-1010 https://buildkite.com/rails/rails/builds/61694#6e462ad3-41d8-4e26-95ce-728495b0ac64/999-1010
* | | | | | Merge pull request #36472 from kamipo/empty_line_only_before_access_modifierRyuta Kamizono2019-06-13434-514/+8
|\ \ \ \ \ \ | | | | | | | | | | | | | | Enable `Layout/EmptyLinesAroundAccessModifier` cop
| * | | | | | Enable `Layout/EmptyLinesAroundAccessModifier` copRyuta Kamizono2019-06-13434-514/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We sometimes say "✂️ newline after `private`" in a code review (e.g. https://github.com/rails/rails/pull/18546#discussion_r23188776, https://github.com/rails/rails/pull/34832#discussion_r244847195). Now `Layout/EmptyLinesAroundAccessModifier` cop have new enforced style `EnforcedStyle: only_before` (https://github.com/rubocop-hq/rubocop/pull/7059). That cop and enforced style will reduce the our code review cost.