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* AestheticRafael Mendonça França2014-01-291-1/+1
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* Fixing issue with activerecord serialization not being able to dump a record ↵Mauricio Linhares2014-01-291-0/+12
| | | | after loading it from YAML - fixes #13861
* Merge pull request #13201 from marcandre/find_in_batch_enumeratorRafael Mendonça França2014-01-291-0/+5
|\ | | | | | | | | | | | | | | `find_in_batches` now returns an `Enumerator` Conflicts: activerecord/CHANGELOG.md activerecord/lib/active_record/relation/batches.rb
| * `find_in_batches` now returns an `Enumerator` when called without a block, ↵Marc-Andre Lafortune2013-12-061-0/+5
| | | | | | | | | | | | so that it can be chained with other `Enumerable` methods.
* | `enum` now raises on "dangerous" name conflictsGodfrey Chan2014-01-291-0/+11
| | | | | | | | | | | | | | | | | | Dangerous name conflicts includes instance or class method conflicts with methods defined within `ActiveRecord::Base` but not its ancestors, as well as conflicts with methods generated by other enums on the same class. Fixes #13389.
* | `scope` now raises on "dangerous" name conflictsGodfrey Chan2014-01-291-0/+10
| | | | | | | | | | | | | | | | | | | | Similar to dangerous attribute methods, a scope name conflict is dangerous if it conflicts with an existing class method defined within `ActiveRecord::Base` but not its ancestors. See also #13389. *Godfrey Chan*, *Philippe Creux*
* | Correctly send the string given to lock! and reload(:lock) to the lock scope ↵Mauricio Linhares2014-01-291-0/+10
| | | | | | | | | | | | - fixes #13788 As per the documentation at lock!, if the :lock option is a string it should use the given SQL to generate the lock statement.
* | Handle aliased attributes in AR::Relation#select, #order, etc.Tsutomu Kuroda2014-01-291-0/+4
| | | | | | | | | | | | | | With this we can write `Model#select(:aliased)`, `Model#order(:aliased)`, `Model#reoder(aliased: :desc)`, etc. Supplementary work to 54122067acaad39b277a5363c6d11d6804c7bf6b.
* | Improve the CHANGELOG entry [ci skip]Rafael Mendonça França2014-01-221-2/+14
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* | Calling reset on a collection association should unload the assocationKelsey Schlarman2014-01-211-0/+6
| | | | | | | | Need to define #reset on CollectionProxy.
* | Merge pull request #13776 from rails/dirty-enumRafael Mendonça França2014-01-211-0/+18
|\ \ | | | | | | | | | | | | | | | | | | Implement the Dirty API with the Enum feature correctly. Conflicts: activerecord/CHANGELOG.md
| * | Make enum feature work with dirty methodsRafael Mendonça França2014-01-211-0/+18
| | | | | | | | | | | | | | | To make this possible we have to override the save_changed_attribute hook.
* | | `has_one` and `belongs_to` accessors don't add ORDER BY to the queries anymore.Rafael Mendonça França2014-01-211-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since Rails 4.0, we add an ORDER BY in the `first` method to ensure consistent results among different database engines. But for singular associations this behavior is not needed since we will have one record to return. As this ORDER BY option can lead some performance issues we are removing it for singular associations accessors. Fixes #12623.
* | | prepend table name for `Relation#select` columns.Yves Senn2014-01-211-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a bug where `select(:id)` combined with `joins()` raised: ``` ActiveRecord::StatementInvalid: SQLite3::SQLException: ambiguous column name: id: SELECT id, authors.author_address_id FROM "posts" INNER JOIN "authors" ON "authors"."id" = "posts"."author_id" ORDER BY posts.id LIMIT 3 ``` The `select_values` are still String and Symbols because other parts (mainly calculations.rb) rely on that fact. /cc @tenderlove
* | | Active Record changelog wording and formatting. [ci skip]Yves Senn2014-01-211-5/+6
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* | | Fail early with "Primary key not included in the custom select clause" in ↵Alexander Balashov2014-01-211-0/+8
|/ / | | | | | | | | find_in_batches Before this patch find_in_batches raises this error only on second iteration. So you will know about the problem only when you get the batch size threshold.
* | Ensure #second acts like #first AR finderJason Meller2014-01-201-0/+31
| | | | | | | | | | | | | | | | | | | | | | | | This commit bring the famous ordinal Array instance methods defined in ActiveSupport into ActiveRecord as fully-fledged finders. These finders ensure a default ascending order of the table's primary key, and utilize the OFFSET SQL verb to locate the user's desired record. If an offset is defined in the query, calling #second adds to the offset to get the actual desired record. Fixes #13743.
* | Restore ActiveRecord states after a rollback for models w/o callbacksGodfrey Chan2014-01-181-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a regression (#13744) that was caused by 67d8bb9. In 67d8bb9, we introduced lazy rollback for records, such that the record's internal states and attributes are not restored immediately after a transaction rollback, but deferred until they are first accessed. This optimization is only performed when the model does not have any transactional callbacks (e.g. `after_commit` and `after_create`). Unfortunately, the models used to test the affected codepaths all comes with some sort of transactional callbacks. Therefore this codepath remains largely untested until now and as a result there are a few issues in the implementation that remains hidden until now. First, the `sync_with_transaction_state` (or more accurately, `update_attributes_from_transaction_state`) would perform the synchronization prematurely before a transaction is finalized (i.e. comitted or rolled back). As a result, when the actuall rollback happens, the record will incorrectly assumes that its internal states match the transaction state, and neglect to perform the restore. Second, `update_attributes_from_transaction_state` calls `committed!` in some cases. This in turns checks for the `destroyed?` state which also requires synchronization with the transaction stae, which causes an infnite recurrsion. This fix works by deferring the synchronization until the transaction has been finalized (addressing the first point), and also unrolled the `committed!` and `rolledback!` logic in-place (addressing the second point). It should be noted that the primary purpose of the `committed!` and `rolledback!` methods are to trigger the relevant transactional callbacks. Since this code path is only entered when there are no transactional callbacks on the model, this shouldn't be necessary. By unrolling the method calls, the intention here (to restore the states when necessary) becomes more clear.
* | Make AR::Base#touch fire the after_commit and after_rollback callbacksHarry Brundage2014-01-161-0/+4
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* | sqlite >= 3.8.0 supports partial indexesCody Cutrer2014-01-141-0/+6
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* | Don't try to get the subclass if the inheritance column doesn't existUjjwal Thaakar2014-01-141-0/+9
| | | | | | | | | | | | | | The `subclass_from_attrs` method is called even if the column specified by the `inheritance_column` setting doesn't exist. This prevents setting associations via the attributes hash if the association name clashes with the value of the setting, typically `:type`. This worked previously in Rails 3.2.
* | Enum mappings are now exposed via class methods instead of constants.Godfrey Chan2014-01-141-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Example: class Conversation < ActiveRecord::Base enum status: [ :active, :archived ] end Before: Conversation::STATUS # => { "active" => 0, "archived" => 1 } After: Conversation.statuses # => { "active" => 0, "archived" => 1 }
* | quick pass through Active Record CHANGELOG. [ci skip]Yves Senn2014-01-141-7/+9
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* | Set NameError#nameChulki Lee2014-01-131-0/+4
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* | fix bug in becomes! when changing from base to subclass. Closes #13272.Yves Senn2014-01-131-0/+6
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* | Ensure Active Record connection consistencyschneems2014-01-091-0/+61
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently Active Record can be configured via the environment variable `DATABASE_URL` or by manually injecting a hash of values which is what Rails does, reading in `database.yml` and setting Active Record appropriately. Active Record expects to be able to use `DATABASE_URL` without the use of Rails, and we cannot rip out this functionality without deprecating. This presents a problem though when both config is set, and a `DATABASE_URL` is present. Currently the `DATABASE_URL` should "win" and none of the values in `database.yml` are used. This is somewhat unexpected to me if I were to set values such as `pool` in the `production:` group of `database.yml` they are ignored. There are many ways that active record initiates a connection today: - Stand Alone (without rails) - `rake db:<tasks>` - ActiveRecord.establish_connection - With Rails - `rake db:<tasks>` - `rails <server> | <console>` - `rails dbconsole` We should make all of these behave exactly the same way. The best way to do this is to put all of this logic in one place so it is guaranteed to be used. Here is my prosed matrix of how this behavior should work: ``` No database.yml No DATABASE_URL => Error ``` ``` database.yml present No DATABASE_URL => Use database.yml configuration ``` ``` No database.yml DATABASE_URL present => use DATABASE_URL configuration ``` ``` database.yml present DATABASE_URL present => Merged into `url` sub key. If both specify `url` sub key, the `database.yml` `url` sub key "wins". If other paramaters `adapter` or `database` are specified in YAML, they are discarded as the `url` sub key "wins". ``` ### Implementation Current implementation uses `ActiveRecord::Base.configurations` to resolve and merge all connection information before returning. This is achieved through a utility class: `ActiveRecord::ConnectionHandling::MergeAndResolveDefaultUrlConfig`. To understand the exact behavior of this class, it is best to review the behavior in activerecord/test/cases/connection_adapters/connection_handler_test.rb though it should match the above proposal.
* | Minor typos fix [ci skip]Robin Dupret2014-01-081-3/+3
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* | make `change_column_null` reversible. Closes #13576.Yves Senn2014-01-081-0/+4
| | | | | | | | Closes #13623.
* | create/drop test and development databases only if RAILS_ENV is nilDamien Mathieu2014-01-081-0/+10
| | | | | | | | Closes #13625
* | Merge pull request #13355 from dylanahsmith/migration-versionRafael Mendonça França2014-01-071-0/+6
|\ \ | | | | | | | | | | | | | | | | | | activerecord: Initialize Migration with version from MigrationProxy. Conflicts: activerecord/CHANGELOG.md
| * | activerecord: Initialize Migration with version from MigrationProxy.Dylan Thacker-Smith2014-01-061-0/+5
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* | | Make change_table use object of current database adapterNishant Modak2014-01-071-0/+8
|/ / | | | | | | | | | | | | | | | | - Earlier, change_table was creating database-agnostic object. - After this change, it will create correct object based on current database adapter. - This will ensure that create_table and change_table will get same objects. - This makes update_table_definition method public and nodoc. - Fixes #13577 and #13503
* | Merge pull request #13593 from oliveiraethales/store_yaml_coderYves Senn2014-01-061-0/+7
|\ \ | | | | | | Fix: ActiveRecord::Store TypeError conversion when using YAML coder
| * | Fix: ActiveRecord::Store TypeError conversion when using YAML coderThales Oliveira2014-01-061-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Renaming the test accordingly to its behaviour Adding 'Fixes' statement to changelog Improving tests legibility & changelog Undoing mistakenly removed empty line & further improving changelog
* | | quick formatting pass through CHANGELOGS. [ci skip].Yves Senn2014-01-061-1/+1
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* | Fix mergefail in changelogJon Leighton2014-01-041-2/+0
| | | | | | | | The line was duplicated
* | Change all "can not"s to the correct "cannot".T.J. Schuck2014-01-031-1/+1
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* | Deprecate unused `symbolized_base_class` and `symbolized_sti_name`.Yves Senn2014-01-031-0/+5
| | | | | | | | | | | | | | These methods were only used for the `IdentityMap` which was removed. They are no longer used internally and should be removed without replacement. As they were not `:nodoc:`'ed it's better to deprecate them before removal.
* | Automatically maintain test database schemaJon Leighton2014-01-021-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * Move check from generated helper to test_help.rb, so that all applications can benefit * Rather than just raising when the test schema has pending migrations, try to load in the schema and only raise if there are pending migrations afterwards * Opt out of the check by setting config.active_record.maintain_test_schema = false * Deprecate db:test:* tasks. The test helper is now fully responsible for maintaining the test schema, so we don't need rake tasks for this. This is also a speed improvement since we're no longer reloading the test database on every call to "rake test".
* | Add CHANGELOG entry for #13557 [ci skip]Rafael Mendonça França2014-01-011-0/+4
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* | Merge pull request #13550 from vipulnsward/13437-fixRafael Mendonça França2014-01-011-0/+7
|\ \ | | | | | | | | | | | | | | | | | | Fix for #13437 Conflicts: activerecord/CHANGELOG.md
| * | https://github.com/rails/rails/commit/2075f39d726cef361170218fd16421fc52bed5 ↵Vipul A M2013-12-311-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | a8 introduced a regression in includes/preloades by calling `read_attribute` on an association when preloading takes places, instead of using loaded records in `association.target`. tl;dr Records are not made properly available via `read_attribute` when preloding in simultaneous, but value of `@loaded` is already set true, and records concatenated in `association.target` on an association object. When `@loaded` is true we return an object of `AlreadyLoaded` in preload_for. In `AlreadyLoaded` to return preloaded records we make wrong use of `read_attribute`, instead of `target` records. The regression is fixed by making use of the loaded records in `association.target` when the preloading takes place. Fixes #13437
* | | Add the ability to nullify the `enum` columnAmr Tamimi2014-01-011-0/+22
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* | | Allow "url" sub key in database.yml configurationschneems2013-12-301-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently a developer can pass in a YAML configuration that fully specifies connection information: ``` production: database: triage_production adapter: password pool: 5 ``` They can also pass in a string that specifies a connection URL directly to an environment key: ``` production: postgresql://localhost/foo ``` This PR allows the use of both a connection url and specifying connection attributes via YAML through the use of the "url" sub key: ``` production: url: postgresql://localhost/foo pool: 3 ``` This will allow developers to inherit Active Record options such as `pool` from `&defaults` and still use a secure connection url such as `<%= ENV['DATABASE_URL'] %>`. The URL is expanded into a hash and then merged back into the YAML hash. If there are any conflicts, the values from the connection URL are preferred. Talked this over with @josevalim
* | | tidy AR CHANGELOG. [ci skip]Yves Senn2013-12-301-4/+7
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* | | Add a missing changelog entry for #13534 [ci skip]Robin Dupret2013-12-301-0/+12
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* | Raise NoDatabaseError when db does not existschneems2013-12-241-2/+2
| | | | | | Building on the work of #13427 this PR adds a helpful error message to the adapters: mysql, mysql2, and sqlite3
* | Deprecate use of string in establish_connection as connection lookupJosé Valim2013-12-241-0/+4
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* | Tidy up fix for PG extensions quotingCarlos Antonio da Silva2013-12-231-2/+2
| | | | | | | | | | Always pass in the column for quote_bound_value and quote using it in case it exists there.
* | Serialize postgres' hstore, json and array types correctly in AR update methods.Tadas Tamosauskas2013-12-231-0/+7
| | | | | | | | | | | | | | | | | | Fixes #12261. Closes #12395. Conflicts: activerecord/CHANGELOG.md activerecord/test/cases/adapters/postgresql/array_test.rb activerecord/test/cases/adapters/postgresql/json_test.rb