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* 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.
* 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
* Do not consider PG array columns as number or text columnsCarlos Antonio da Silva2013-12-231-0/+18
| | | | | | | | | | | | | | | | | | | | | | | The code uses these checks in several places to know what to do with a particular column, for instance AR attribute query methods has a branch like this: if column.number? !value.zero? end This should never be true for array columns, since it would be the same as running [].zero?, which results in a NoMethodError exception. Fixing this by ensuring that array columns in PostgreSQL never return true for number?/text? checks. Since most of the array support was based on the postgres_ext lib, it's worth noting it does the same thing for numeric array columns too: https://github.com/dockyard/postgres_ext/blob/v1.0.0/lib/postgres_ext/active_record/connection_adapters/postgres_adapter.rb#L72 This extended the same logic for text columns to ensure consistency.
* Tell how to Create a Database in Error Messageschneems2013-12-231-0/+7
| | | | | | | | | | | | | | | | Currently if you attempt to use a database that does not exist you get an error: ``` PG::ConnectionBad FATAL: database "db_error" does not exist ``` The solution is easy, create and migrate your database however new developers may not know these commands by memory. Instead of requiring the developer to search for a solution, tell them how to fix the problem in the error message: ``` ActiveRecord::NoDatabase: FATAL: database "db_error" does not exist Run `$ bin/rake db:create db:migrate` to create your database ``` Active Record should not know about `rake db:migrate` so this additional information needs to come from the railtie. Potential alternative implementation suggestions are welcome.
* On destroying do not touch destroyed belongs to association.Paul Nikitochkin2013-12-231-0/+13
| | | | Fixes: #13445
* CHANGELOG entry for #13451. [ci skip]Yves Senn2013-12-221-0/+13
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* Improve CHANGELOG entry [ci skip]Rafael Mendonça França2013-12-191-8/+6
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* fix default select when from is usedCody Cutrer2013-12-191-0/+18
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* Fix PostgreSQL insert to properly extract table name from multiline string SQL.Kuldeep Aggarwal2013-12-191-0/+15
| | | | | | | | | | | | Previously, executing an insert SQL in PostgreSQL with a command like this: insert into articles( number) values( 5152 ) would not work because the adapter was unable to extract the correct articles table name.
* Create a blacklist to disallow mutator methods to be delegated to `Array`.Lauro Caetano2013-12-171-15/+17
| | | | | | | | This change was necessary because the whitelist wouldn't work. It would be painful for users trying to update their applications. This blacklist intent to prevent odd bugs and confusion in code that call mutator methods directely on the `Relation`.
* Better support for `where()` conditions that use an association name.Martin Emde2013-12-161-0/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using the name of an association in `where` previously worked only if the value was a single `ActiveRecrd::Base` object. e.g. Post.where(author: Author.first) Any other values, including `nil`, would cause invalid SQL to be generated. This change supports arguments in the `where` query conditions where the key is a `belongs_to` association name and the value is `nil`, an `Array` of `ActiveRecord::Base` objects, or an `ActiveRecord::Relation` object. # Given the Post model class Post < ActiveRecord::Base belongs_to :author end # nil value finds records where the association is not set Post.where(author: nil) # SELECT "posts".* FROM "posts" WHERE "posts"."author_id" IS NULL # Array values find records where the association foreign key # matches the ids of the passed ActiveRecord models, resulting # in the same query as Post.where(author_id: [1,2]) authors_array = [Author.find(1), Author.find(2)] Post.where(author: authors_array) # ActiveRecord::Relation values find records using the same # query as Post.where(author_id: Author.where(last_name: "Emde")) Post.where(author: Author.where(last_name: "Emde")) Polymorphic `belongs_to` associations will continue to be handled appropriately, with the polymorphic `association_type` field added to the query to match the base class of the value. This feature previously only worked when the value was a single `ActveRecord::Base`. class Post < ActiveRecord::Base belongs_to :author, polymorphic: true end Post.where(author: Author.where(last_name: "Emde")) # Generates a query similar to: Post.where(author_id: Author.where(last_name: "Emde"), author_type: "Author")
* Improve CHANGELOG entry with examples [ci skip]Rafael Mendonça França2013-12-151-0/+10
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* Merge pull request #13313 from ccutrer/temp-tablesRafael Mendonça França2013-12-151-0/+10
|\ | | | | | | | | | | | | support creating temporary tables from queries Conflicts: activerecord/CHANGELOG.md
| * support creating temporary tables from queriesCody Cutrer2013-12-141-0/+10
| | | | | | | | | | also override drop_table in AbstractMySQLAdapter to properly drop temporary tables without committing the transaction
* | Improve the CHANGELOG entry [ci skip]Rafael Mendonça França2013-12-151-3/+3
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* | db:test:clone and prepare must load environmentArthur Neves2013-12-141-0/+7
|/ | | | | | db:test:clone and db:test:prepare use ActiveRecord::Base. configurations, so we need to load the rails environment, otherwise the config wont be in place.
* Add changeloglaurocaetano2013-12-121-6/+15
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