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* Go through normal `update_all` logic when updating lock columnsSean Griffin2014-12-261-17/+7
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* Go through normal `update_all` logic when updating counter cachesSean Griffin2014-12-261-4/+3
| | | | Part of a larger refactoring to remove type casting behavior from Arel
* We don't need additional type casting for locking updatesSean Griffin2014-12-261-3/+11
| | | | | | | Part of the larger refactoring to remove type casting from Arel. We can inform it that we already have the right type by wrapping the value in an `Arel::Nodes::Quoted`. This commit can be reverted when we have removed type casting from Arel in Rail 5.1
* Go through normal where logic in `apply_join_dependency`Sean Griffin2014-12-261-1/+1
| | | | Part of the larger refactoring to remove type casting from Arel.
* We don't need to type cast the offset in `find_in_batches`Sean Griffin2014-12-261-1/+5
| | | | | | | Part of the larger refactoring to remove type casting from Arel. We can inform it that we already have the right type by wrapping the value in an `Arel::Nodes::Quoted`. This commit can be reverted when we have removed type casting from Arel in Rail 5.1
* Fall back to type casting from the connection adapterSean Griffin2014-12-261-2/+70
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are several valid cases where right now we can't determine the association's class in a call to `where`. In these cases, we can fall back to casting by looking up the column from the connection adapter (which is what happens right now when we fall through to Arel) This is ugly, and since we're trying to separate the concept of a type from a column, I'd like to remove it in the future. The problem basically comes down to this: Liquid.joins(molecules: :electrons) .where("molecules.name" => "something", "electrons.name" => "something") The hash in this case will turn into: { molecules: { name: "something" }, electrons: { name: "something" }, } What we actually need is: { molecules: { name: "something", electrons: { name: "something" }, } } /cc @mrgilman
* Go through normal `where` logic in uniqueness validationSean Griffin2014-12-261-4/+6
| | | | | | | This code could use some much heavier refactoring. It looks like `build_relation` duplicates most of the logic of `Relation#where` and `PredicateBuilder` with regards to handling associations and attribute aliases
* We don't need to cast the value a second time in uniqueness validationsSean Griffin2014-12-261-0/+1
| | | | | | | Part of the larger refactoring to remove type casting from Arel. Since we've already cast the value a few lines above, we don't need to re-cast it later. We can inform Arel of this by wrapping it in an `Arel::Nodes::Quoted`, which will no longer be required in Rails 5.1
* We don't need to perform type casting on the STI conditionSean Griffin2014-12-261-0/+1
| | | | | | | We will always have the correct type for this query, so no casting is needed. We inform Arel that we already have the right type by wrapping it in an `Arel::Nodes::Quoted` (which we will no longer need to do in Rails 5.1)
* Go through normal `where` logic when preloading associationsSean Griffin2014-12-261-1/+1
| | | | | | | | | | This will allow eager type casting to take place as needed. There doesn't seem to be any particular reason that the `in` statement was forced for single values, and the commit message where it was introduced gives no context. See https://github.com/rails/rails/commit/d90b4e2615e8048fdeffc6dffe3246704adee01f
* Eagerly cast array values passed to the predicate builderSean Griffin2014-12-261-1/+6
| | | | | | | | Part of a larger refactoring to remove type casting from Arel. /cc @mrgilman [Sean Griffin & Melanie Gilman]
* Eagerly cast range values in the predicate builderSean Griffin2014-12-262-1/+25
| | | | | | | | | A custom object is required for this, as you cannot build a range object out of `Arel::Nodes::Quoted` objects. Depends on the changes introduced in https://github.com/rails/arel/commit/cf03bd45e39def057a2f63e42a3391b7d750dece /cc @mrgilman
* Perform casting of single values within the predicate builderSean Griffin2014-12-265-6/+37
| | | | | | | | | | | As part of the larger refactoring to remove type casting from Arel, we need to do the casting of values eagerly. The predicate builder is the closest place that knows about the Active Record class, and can therefore have the type information. /cc @mrgilman [Sean Griffin & Melanie Gilman]
* Remove `klass` and `arel_table` as a dependency of `PredicateBuilder`Sean Griffin2014-12-267-30/+70
| | | | | | | | | | | | | | | This class cares far too much about the internals of other parts of Active Record. This is an attempt to break out a meaningful object which represents the needs of the predicate builder. I'm not fully satisfied with the name, but the general concept is an object which represents a table, the associations to/from that table, and the types associated with it. Many of these exist at the `ActiveRecord::Base` class level, not as properties of the table itself, hence the need for another object. Currently it provides these by holding a reference to the class, but that will likely change in the future. This allows the predicate builder to remain wholy concerned with building predicates. /cc @mrgilman
* Refactor association handling in `PredicateBuilder`Sean Griffin2014-12-262-21/+61
| | | | | | | | | | I'm attempting to remove `klass` as a dependency of the predicate builder, in favor of an object that better represents what we're using it for. The only part of this which doesn't fit nicely into that picture is the check for an association being polymorphic. Since I'm not yet sure what that is going to look like, I've moved this logic into another class in an attempt to separate things that will change from things that won't.
* Re-use the predicate builder in the `ArrayHandler`Sean Griffin2014-12-262-8/+16
| | | | | | | | | | This reduces the number of places which will need to care about single value or range specific logic as we introduce type casting. The array handler is only responsible for producing `in` statements. /cc @mrgilman [Sean Griffin & Melanie Gilman]
* Change `PredicateBuilder` handler methods to instance methodsSean Griffin2014-12-265-30/+71
| | | | | | | | | | | | This will allow us to pass the predicate builder into the constructor of these handlers. The procs had to be changed to objects, because the `PredicateBuilder` needs to be marshalable. If we ever decide to make `register_handler` part of the public API, we should come up with a better solution which allows procs. /cc @mrgilman [Sean Griffin & Melanie Gilman]
* Add missing `:nodoc:`Sean Griffin2014-12-261-1/+1
| | | | | We're accidentally documenting `PredicateBuilder` and `ArrayHandler` since there's a constant which is missing `# :nodoc:`
* Inject the `PredicateBuilder` into the `Relation` instanceSean Griffin2014-12-269-16/+24
| | | | | | | Construction of relations can be a hotspot, we don't want to create one of these in the constructor. This also allows us to do more expensive things in the predicate builder's constructor, since it's created once per AR::Base subclass
* Remove unused `@relation` instance variableSean Griffin2014-12-261-2/+0
| | | | We don't memoize the relation instance
* Merge branch 'brainopia-remember_frozen_state_in_transaction'Sean Griffin2014-12-261-7/+5
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| * Propagate frozen state during transaction changesbrainopia2014-12-261-7/+5
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* Correctly ignore `case_sensitive` for UUID uniqueness validationSean Griffin2014-12-265-2/+14
| | | | | | | | I think we should deprecate this behavior and just error if you tell us to do a case insensitive comparison for types which are not case sensitive. Partially reverts 35592307 Fixes #18195
* Dump the default `nil` for PostgreSQL UUID primary key.Ryuta Kamizono2014-12-261-1/+1
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* - Changed `target` to `target_reflection` to avoid warning `possible ↵Vipul A M2014-12-251-2/+2
| | | | reference to past scope`
* Check for Rails.env instead of RailsPavel Penkov2014-12-251-1/+1
| | | | | `Rails` constant is added by rails-html-sanitizer leading to bugs in non-Rails apps using ActiveRecord and ActionMailer
* Correct grammar to fix #18182 [ci skip]Zachary Scott2014-12-241-1/+1
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* Merge pull request #18159 from ↵Sean Griffin2014-12-231-1/+1
|\ | | | | | | | | M7/docs-active_record-update_query_method_docs_with_full_description Describe full behaviour of Active Record's attribute query methods
| * Clarify that query methods have a custom definition of whether a numeric ↵Michael D.W. Prendergast2014-12-231-2/+2
| | | | | | | | | | value is present. [ci skip] The way Active Record query methods handle numeric values is a special case, and is not part of Rails's standard definition of present. This update attempts to make this more clear in the docs, so that people don't expect Object#present? to return false if used on a number that is zero.
| * Clarify that the word present refers to Object#present?. [ci skip]Michael D.W. Prendergast2014-12-231-36/+2
| | | | | | Update Active Record's attribute query methods documentation to clarify that whether an attribute is present is based on Object#present?. This gives people a place to go see what the exact definition of presence is. [ci skip]
| * Update Active Record's attribute query methods documentation to describe its ↵Michael D.W. Prendergast2014-12-221-2/+36
| | | | | | | | full behaviour. [ci skip]
* | Merge pull request #18174 from bogdan/cleanup_has_many_though_association_countSean Griffin2014-12-231-15/+0
|\ \ | | | | | | Remove unneeded special case to calculate size for has_many :through
| * | Remove unneeded special case to calculate size for has_many :throughBogdan Gusiev2014-12-231-15/+0
| |/ | | | | | | | | All cases are properly handled in CollectionAssociation for all subclasses of this association
* | Don't treat `nil` as changed in serialized typesSean Griffin2014-12-231-1/+1
| | | | | | | | | | | | | | We were ignoring the `default_value?` escape clause in the serialized type, which caused the default value to always be treated as changed. Fixes #18169
* | Refactor a common class to reduce the duplication for `references`Sean Griffin2014-12-232-59/+86
| | | | | | | | | | | | | | | | The code for `TableDefinition#references` and `SchemaStatements#add_reference` were almost identical both structurally, and in terms of domain knowledge. This removes that duplication into a common class, using the `Table` API as the expected interface of its collaborator.
* | Fix syntax warningSean Griffin2014-12-231-1/+1
| | | | | | | | This isn't Seattle.rb, @senny. ;)
* | Merge pull request #18167 from al2o3cr/checkin_connection_leakSean Griffin2014-12-231-4/+6
|\ \ | | | | | | Fix connection leak when a thread checks in additional connections.
| * | Fix connection leak when a thread checks in additional connections.Matt Jones2014-12-231-4/+6
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* | 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 Griffin2014-12-231-1/+5
|\ \ \ | | | | | | | | | | | | | | | | Conflicts: activerecord/CHANGELOG.md
| * | | Don't raise on out-of-range datetimes passed by a userGrey Baker2014-12-231-1/+5
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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 Senn2014-12-232-24/+21
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* | | Fixing numeric attrs when set to same negative valueDaniel Fox2014-12-231-1/+1
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Griffin2014-12-221-0/+1
| | | | | | | | | | | | | | | | 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 Griffin2014-12-221-0/+4
| | | | | | | | | | | | | | | | | | 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
* | 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 Griffin2014-12-222-4/+22
| | | | | | | | | | | | | | | | | | | | | | 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)
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