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* | Merge pull request #18167 from al2o3cr/checkin_connection_leakSean Griffin2014-12-232-4/+36
|\ \ | | | | | | Fix connection leak when a thread checks in additional connections.
| * | Fix connection leak when a thread checks in additional connections.Matt Jones2014-12-232-4/+36
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The code in `ConnectionPool#release` assumed that a single thread only ever holds a single connection, and thus that releasing a connection only requires the owning thread_id. There is a trivial counterexample to this assumption: code that checks out additional connections from the pool in the same thread. For instance: connection_1 = ActiveRecord::Base.connection connection_2 = ActiveRecord::Base.connection_pool.checkout ActiveRecord::Base.connection_pool.checkin(connection_2) connection_3 = ActiveRecord::Base.connection At this point, connection_1 has been removed from the `@reserved_connections` hash, causing a NEW connection to be returned as connection_3 and the loss of any tracking info on connection_1. As long as the thread in this example lives, connection_1 will be inaccessible and un-reapable. If this block of code runs more times than the size of the connection pool in a single thread, every subsequent connection attempt will timeout, as all of the available connections have been leaked. Reverts parts of 9e457a8654fa89fe329719f88ae3679aefb21e56 and essentially all of 4367d2f05cbeda855820e25a08353d4b7b3457ac
* | Changelog for 99a6f9e60ea55924b44f894a16f8de0162cf2702Sean Griffin2014-12-231-0/+6
| | | | | | | | Here you go, @senny. :grin:
* | Merge pull request #18145 from georgemillo/patch-2Sean Griffin2014-12-231-0/+3
|\ \ | | | | | | Add information about "allow_destroy" requiring an ID. [ci skip]
| * | Add information about "allow_destroy" requiring an ID. [ci skip]George Millo2014-12-231-0/+3
| | | | | | | | | | | | | | | | | | | | | I just wasted an absurd amount of time trying to figure out why my model wasn't being deleted even though I was setting `_destroy` to true like the instructions said. Making the documentation a little bit clear so that someone like me doesn't waste their time in future.
* | | Merge Pull Request #18157Sean Griffin2014-12-233-1/+20
|\ \ \ | | | | | | | | | | | | | | | | Conflicts: activerecord/CHANGELOG.md
| * | | Don't raise on out-of-range datetimes passed by a userGrey Baker2014-12-233-1/+20
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* | | docs, replace ` with + for proper rdoc output. [ci skip]Yves Senn2014-12-232-4/+4
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* | | Replace deprecated `#load_schema` with `#load_schema_for`.Yves Senn2014-12-233-24/+26
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* | | cleanup CHANGELOGs. [ci skip]Yves Senn2014-12-231-2/+2
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* | | Fixing numeric attrs when set to same negative valueDaniel Fox2014-12-234-1/+18
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This bug occurs when an attribute of an ActiveRecord model is an ActiveRecord::Type::Integer type or a ActiveRecord::Type::Decimal type (or any other type that includes the ActiveRecord::Type::Numeric module. When the value of the attribute is negative and is set to the same negative value, it is marked as changed. Take the following example of a Person model with the integer attribute age: class Person < ActiveRecord::Base # age :integer(4) end The following will produce the error: person = Person.new(age: -1) person.age = -1 person.changes => { "age" => [-1, -1] } person.age_changed? => true The problematic line is here: module ActiveRecord module Type module Numeric ... def non_numeric_string?(value) # 'wibble'.to_i will give zero, we want to make sure # that we aren't marking int zero to string zero as # changed. value.to_s !~ /\A\d+\.?\d*\z/ end end end end The regex match doesn't accept numbers with a leading '-'.
* | Improve the performance of reading belongs_to associationsSean Griffin2014-12-221-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | `ActiveRecord::Base#[]` has overhead that was introduced in 4.2. The `foo["id"]` working with PKs other than ID isn't really a case that we want to support publicly, but deprecating was painful enough that we avoid it. `_read_attribute` was introduced as the faster alternative for use internally. By using that, we can save a lot of overhead. We also save some overhead by reading the attribute one fewer times in `stale_state`. Fixes #18151
* | Don't perform statement caching for `find` when called from a scopeSean Griffin2014-12-223-1/+32
| | | | | | | | | | | | | | | | If there is a method defined such as `find_and_do_stuff(id)`, which then gets called on an association, we will perform statement caching and the parent ID will not change on subsequent calls. Fixes #18117
* | Don't calculate all in-place changes to determine if attribute_changed?Sean Griffin2014-12-222-0/+19
| | | | | | | | | | | | | | | | | | Calling `changed_attributes` will ultimately check if every mutable attribute has changed in place. Since this gets called whenever an attribute is assigned, it's extremely slow. Instead, we can avoid this calculation until we actually need it. Fixes #18029
* | Don't wrap `create_table` in a transaction for tests which run on MySQLSean Griffin2014-12-221-3/+1
| | | | | | | | PG will warn without it, but mysql2 errors out.
* | Use the new `foreign_key` option on `references` in generatorsSean Griffin2014-12-222-9/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes `rails g model Post user:references` from def change create_table :posts do |t| t.references :user, index: true end add_foreign_key :posts, :users end to def change create_table :posts do |t| t.references :user, index: true, foreign_key: true end end Changes `rails g migration add_user_to_posts user:references` from def change add_reference :posts, :users, index: true add_foreign_key :posts, :users end to def change add_reference :posts, :users, index: true, foreign_key: true end
* | Add `foreign_key` as an option to `references` for `change_table`Sean Griffin2014-12-223-4/+65
| | | | | | | | | | | | | | | | | | | | | | This has the same comments as 9af90ffa00ba35bdee888e3e1ab775ba0bdbe72c, however it affects the `add_reference` method, and `t.references` in the context of a `change_table` block. There is a lot of duplication of code between creating and updating tables. We should re-evaluate the structure of this code from a high level so changes like this don't need to be made in two places. (Note to self)
* | Convert `add_references` to use kwargsSean Griffin2014-12-221-6/+18
| | | | | | | | | | | | While we still aren't accepting PRs that only make changes like this, it's fine when we're actively working on a method if it makes our lives easier.
* | Add a `foreign_key` option to `references` while creating the tableSean Griffin2014-12-223-5/+94
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rather than having to do: create_table :posts do |t| t.references :user end add_foreign_key :posts, :users You can instead do: create_table :posts do |t| t.references :user, foreign_key: true end Similar to the `index` option, you can also pass a hash. This will be passed as the options to `add_foreign_key`. e.g.: create_table :posts do |t| t.references :user, foreign_key: { primary_key: :other_id } end is equivalent to create_table :posts do |t| t.references :user end add_foreign_key :posts, :users, primary_key: :other_id
* | Convert `references` to kwargsSean Griffin2014-12-221-7/+17
| | | | | | | | | | | | While we aren't taking PRs with these kinds of changes just yet, they are fine if we're actively working on the method and it makes things easier.
* | Add `force: true` to table created in testsSean Griffin2014-12-221-1/+1
| | | | | | | | | | | | If the test is interrupted in a way that the teardown block fails to run, the tests will fail to run until the table is removed manually without this option.
* | Correctly handle limit on int4 and int8 types in PGSean Griffin2014-12-222-2/+27
|/ | | | | | | | | | | | | | | | PG doesn't register it's types using the `int(4)` format that others do. As such, if we alias `int8` to the other integer types, the range information is lost. This is fixed by simply registering it separately. The other option (which I specifically chose to avoid) is to pass the information of the original type that was being aliased as an argument. I'd rather avoid that, since an alias should truly be treated the same. If we need different behavior for a different type, we should explicitly register it with that, and not have a conditional based on aliasing. Fixes #18144 [Sean Griffin & ysbaddaden]
* Correctly handle Float -> BigDecimal with unspecified precisionSean Griffin2014-12-222-1/+14
| | | | Fixes #18122
* Clarify ActiveRecord testing guidelines [ci skip]Sammy Larbi2014-12-211-5/+5
| | | | | | | | | | | 1. Specify that you need to create the test databases, and that no special Rails command needs to be run to do that. 2. Although the underscore style of `rake test_mysql` works, make the documentation of running the tests in RUNNING_UNIT_TESTS.rdoc consistent with the "Contributing..." guide. 3. Promote "Testing Active Record" to not be a subsection of "Running a Single Test," since it doesn't make sense as a subsection of that.
* Fixed syntax error in RDoc directiveZachary Scott2014-12-201-1/+1
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* Merge pull request #18092 from nippysaurus/clarity_batch_starting_pointArthur Nogueira Neves2014-12-201-2/+2
|\ | | | | Update description for `start` parameter.
| * Clarity start parameterMichael Dawson2014-12-191-2/+2
| | | | | | | | | | | | I find that `Specifies the starting point for the batch processing.` does not give enough information for me to understand what this parameter actually does.
* | Merge pull request #18102 from arthurnn/nodoc_constantArthur Nogueira Neves2014-12-191-0/+2
| | | | | | | | Add nodoc to some constants [skip ci]
* | `force: :cascade` to recreate tables referenced by foreign-keys.Yves Senn2014-12-198-5/+57
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* | `db:structure:load` and `db:schema:load` no longer purge the database.Yves Senn2014-12-182-2/+8
|/ | | | | | | | | | | | | | | | | Closes #17945 `db:test:prepare` still purges the database to always keep the test database in a consistent state. This patch introduces new problems with `db:schema:load`. Prior to the introduction of foreign-keys, we could run this file against a non-empty database. Since every `create_table` containted the `force: true` option, this would recreate tables when loading the schema. However with foreign-keys in place, `force: true` wont work anymore and the task will crash. /cc @schneems
* Relax the UUID regexGodfrey Chan2014-12-182-12/+9
| | | | | | | | Apparently PG does not validate against RFC 4122. The intent of the original patch is just to protect against PG errors (which potentially breaks txns, etc) because of bad user input, so we shouldn't try any harder than PG itself. Closes #17931
* Remove unused lineRyuta Kamizono2014-12-171-1/+0
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* `update_column` take ruby-land input, not database-land inputSean Griffin2014-12-164-3/+27
| | | | | | | | | | | | | | | In the case of serialized columns, we would expect the unserialized value as input, not the serialized value. The original issue which made this distinction, #14163, introduced a bug. If you passed serialized input to the method, it would double serialize when it was sent to the database. You would see the wrong input upon reloading, or get an error if you had a specific type on the serialized column. To put it another way, `update_column` is a special case of `update_all`, which would take `['a']` and not `['a'].to_yaml`, but you would not pass data from `params` to it. Fixes #18037
* Pass connection rather than alias_trackereileencodes2014-12-131-16/+17
| | | | | | | | | Because we're only using the `connection` so passing the entire tracker isn't unnecessary. Eventually only the `connection` will be passed to `add_constraints` with later refactoring but curretly that's not possible because of `construct_tables` method.
* Add test case for joined pluckSean Griffin2014-12-111-0/+7
| | | | https://github.com/rails/rails/commit/39542fba54328ca048fb75a5d5b37f8e1d4c1f37#commitcomment-8938379
* Improve the test case introduced by bd0d47eSean Griffin2014-12-111-19/+10
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* Merge pull request #17994 from mfazekas/pluck-bind-values-masterSean Griffin2014-12-112-2/+26
|\ | | | | Fix ProtocolViolation/bind message for polymorphic + pluck or group+calc
| * Fix ProtocolViolation/bind message supplies for polymorphic + pluck or groupMiklos Fazkeas2014-12-112-2/+26
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* | Merge pull request #17793 from kamipo/fix_undesirable_range_errorSean Griffin2014-12-118-6/+119
|\ \ | | | | | | Fix undesirable RangeError by Type::Integer. Add Type::UnsignedInteger.
| * | Fix undesirable RangeError by Type::Integer. Add Type::UnsignedInteger.Ryuta Kamizono2014-12-128-6/+119
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* / Refactor `quoted_date`Ryuta Kamizono2014-12-114-25/+13
|/ | | | Move microseconds formatting to `AbstractAdapter`.
* Merge pull request #17970 from ulissesalmeida/foreign-type-has-many-has-oneRafael Mendonça França2014-12-1010-3/+53
|\ | | | | Add foreign_type option for polymorphic has_one and has_many.
| * Add foreign_type option for polymorphic has_one and has_many.Ulisses Almeida + Kassio Borges2014-12-0810-3/+53
| | | | | | | | | | | | | | To be possible to use a custom column name to save/read the polymorphic associated type in a has_many or has_one polymorphic association, now users can use the option :foreign_type to inform in what column the associated object type will be saved.
* | Unused csv fixture fileAkira Matsuda2014-12-091-1/+0
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* | Merge pull request #17972 from claudiob/remove-unused-callback-fixturesCarlos Antonio da Silva2014-12-091-46/+0
|\ \ | | | | | | Remove unused "Developer" fixtures from tests
| * | Remove unused "Developer" fixtures from testsclaudiob2014-12-081-46/+0
| |/ | | | | | | | | The `RecursiveCallbackDeveloper` and `ImmutableMethodDeveloper` classes are not used anymore in tests, and neither is the `@cancelled` variable.
* | Update test case for TZ aware attributesSean Griffin2014-12-081-4/+14
| | | | | | | | | | | | The test added in 42418cfc94d1356d35d28d786f63e7fab9406ad6 wasn't actually testing anything, since the bug was with TZ aware attributes only.
* | Allow custom handling of non-standard types in `time_zone_conversion`Sean Griffin2014-12-082-1/+7
|/ | | | | | | | | | | | PostgreSQL for example, allows infinity as a valid value for date time columns. The PG type has explicit handling for that case. However, time zone conversion will end up trampling that handling. Unfortunately, we can't call super and then convert time zones. However, if we get back nil from `.in_time_zone`, it's something we didn't expect so we can let the superclass handle it. Fixes #17971
* Don't error when `attributes` is called on a frozen AR modelSean Griffin2014-12-082-1/+11
| | | | | | | | | | | | | | | | | | `freeze` will ultimately end up freezing the `AttributeSet`, which in turn freezes its `@attributes` hash. However, we actually insert a special object to lazily instantiate the values of the hash on demand. When it does need to actually instantiate all of them for iteration (the only case is `ActiveRecord::Base#attributes`, which calls `AttributeSet#to_h`), it will set an instance variable as a performance optimization Since it's just an optimization for subsequent calls, and that method being called at all is a very uncommon case, we can just leave the ivar alone if we're frozen, as opposed to coming up with some overly complicated mechanism for freezing which allows us to continue to modify ourselves. Fixes #17960
* Revert to 4.1 behavior for casting PG arraysSean Griffin2014-12-082-5/+23
| | | | | | | | | | The user is able to pass PG string literals in 4.1, and have it converted to an array. This is also possible in 4.2, but it would remain in string form until saving and reloading, which breaks our `attr = save.reload.attr` contract. I think we should deprecate this in 5.0, and only allow array input from user sources. However, this currently constitutes a breaking change to public API that did not go through a deprecation cycle.
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