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If the through class has default scopes we should skip the statement
cache.
Closes #20745.
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Add method to run command-line db apps
Conflicts:
activerecord/CHANGELOG.md
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- Added run_cmd() class method to dry up Kernel.system() messages within
this namespace and avoid shell expansion by passing a list of
arguments instead of a string
- Update structure_dump, structure_load, and related tests units to
pass a list of params instead of using a string to
avoid shell expansion
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use correct DB connection for generated HABTM table
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This includes the following classes:
- ActiveModel::Serializers::Xml
- ActiveRecord::Serialization::XmlSerializer
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`in_batches` yields Relation objects if a block is given, otherwise it
returns an instance of `BatchEnumerator`. The existing `find_each` and
`find_in_batches` methods work with batches of records. The new API
allows working with relation batches as well.
Examples:
Person.in_batches.each_record(&:party_all_night!)
Person.in_batches.update_all(awesome: true)
Person.in_batches.delete_all
Person.in_batches.map do |relation|
relation.delete_all
sleep 10 # Throttles the delete queries
end
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Use memoization for collection associations ids reader
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Fixes #21082
remove extra space
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encapsulate all arguments
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Add #cache_key to ActiveRecord::Relation.
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Fix misleading errors for has_one through relations
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This is an alternate implementation of #20966.
[Sean Griffin & presskey]
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Deep down in the association internals, we're calling `destroy!` rather
than `destroy` when handling things like `dependent` or autosave
association callbacks. Unfortunately, due to the structure of the code
(e.g. it uses callbacks for everything), it's nearly impossible to pass
whether to call `destroy` or `destroy!` down to where we actually need
it.
As such, we have to do some legwork to handle this. Since the callbacks
are what actually raise the exception, we need to rescue it in
`ActiveRecord::Callbacks`, rather than `ActiveRecord::Persistence` where
it matters. (As an aside, if this code wasn't so callback heavy, it
would handling this would likely be as simple as changing `destroy` to
call `destroy!` instead of the other way around).
Since we don't want to lose the exception when `destroy!` is called (in
particular, we don't want the value of the `record` field to change to
the parent class), we have to do some additional legwork to hold onto it
where we can use it.
Again, all of this is ugly and there is definitely a better way to do
this. However, barring a much more significant re-architecting for what
I consider to be a reletively minor improvement, I'm willing to take
this small hit to the flow of this code (begrudgingly).
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this fixes a failing test case
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Previously `has_one` and `has_many` associations were using the
`one` and `many` keys respectively. Both of these keys have special
meaning in I18n (they are considered to be pluralizations) so by
renaming them to `has_one` and `has_many` we make the messages more
explicit and most importantly they don't clash with linguistical
systems that need to validate translation keys (and their
pluralizations).
The `:'restrict_dependent_destroy.one'` key should be replaced with
`:'restrict_dependent_destroy.has_one'`, and
`:'restrict_dependent_destroy.many'` with
`:'restrict_dependent_destroy.has_many'`.
[Roque Pinel & Christopher Dell]
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support it. Fixes #19711
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This clears the transaction record state when the transaction finishes
with a `:committed` status.
Considering the following example where `name` is a required attribute.
Before we had `new_record?` returning `true` for a persisted record:
```ruby
author = Author.create! name: 'foo'
author.name = nil
author.save # => false
author.new_record? # => true
```
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As per the docs, `mark_for_destruction` should do nothing if `autosave`
is not set to true. We normally persist associations on a record no
matter what if the record is a new record, but we were always skipping
records which were `marked_for_destruction?`.
Fixes #20882
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Since the counter cache was properly being updated, the model became
stale. Simply reloading the model before attempting to destroy is
sufficient for this case. I believe this is enough of an edge case to be
a valid change to the tests, even though it represents a potential
breaking change.
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Also removes a false positive test that depends on the fixed bug:
At this time, counter_cache does not work with polymorphic relationships
(which is a bug). The test was added to make sure that no
StaleObjectError is raised when the car is destroyed. No such error is
currently raised because the lock version is not incremented by
appending a wheel to the car.
Furthermore, `assert_difference` succeeds because `car.wheels.count`
does not check the counter cache, but the collection size. The test will
fail if it is replaced with `car.wheels_count || 0`.
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Ensure that 'ActionController::Parameters' can still be passed to AR …
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collection associations
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This code is so fucked. Things that cause this bug not to replicate:
- Defining the validation before the association (we end up calling
`uniq!` on the errors in the autosave validation)
- Adding `accepts_nested_attributes_for` (I have no clue why. The only
thing it does that should affect this is adds `autosave: true` to the
inverse reflection, and doing that manually doesn't fix this).
This solution is a hack, and I'm almost certain there's a better way to
go about it, but this shouldn't cause a huge hit on validation times,
and is the simplest way to get it done.
Fixes #20874.
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Since nested hashes are also instances of
`ActionController::Parameters`, and we're explicitly looking to work
with a hash for nested attributes, this caused breakage in several
points.
This is the minimum viable fix for the issue (and one that I'm not
terribly fond of). I can't think of a better place to handle this at the
moment. I'd prefer to use some sort of solution that doesn't special
case AC::Parameters, but we can't use something like `to_h` or `to_a`
since `Enumerable` adds both.
While I've added a trivial test case for verifying this fix in
isolation, we really need better integration coverage to prevent
regressions like this in the future. We don't actually have a lot of
great places for integration coverage at the moment, so I'm deferring it
for now.
Fixes #20922.
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We deprecate the support for passing an argument to force reload in
6eae366d0d2e5d5211eeaf955f56bd1dc6836758. That led to several
deprecation warning when running Active Record test suite.
This commit silence the warnings by properly calling `#reload` on the
association proxy or on the association object instead. However, there
are several places that `ActiveSupport::Deprecation.silence` are used as
those tests actually tests the force reload functionality and will be
removed once `master` is targeted next minor release (5.1).
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This is to simplify the association API, as you can call `reload` on the
association proxy or the parent object to get the same result.
For collection association, you can call `#reload` on association proxy
to force a reload:
@user.posts.reload # Instead of @user.posts(true)
For singular association, you can call `#reload` on the parent object to
clear its association cache then call the association method:
@user.reload.profile # Instead of @user.profile(true)
Passing a truthy argument to force association to reload will be removed
in Rails 5.1.
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The concurrent-ruby gem is a toolset containing many concurrency
utilities. Many of these utilities include runtime-specific
optimizations when possible. Rather than clutter the Rails codebase with
concurrency utilities separate from the core task, such tools can be
superseded by similar tools in the more specialized gem. This commit
replaces `ActiveSupport::Concurrency::Latch` with
`Concurrent::CountDownLatch`, which is functionally equivalent.
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When preload is used in a default scope the preload_values were
returning nested arrays and causing the preloader to fail because it
doesn't know how to deal with nested arrays. So before calling preload!
we need to splat the arguments.
This is not needed to includes because it flatten its arguments.
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tampering attacks.
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After 908cfef was introduced fixtures that did not set an enum would
return nil instead of the default enum value.
The fixtures should assume the default if a different enum is not
defined.
The change checks first if the enum is defined in the fixture before
setting it based on the fixture.
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The changes introduced to through associations in c80487eb were quite
interesting. Changing `relation.merge!(scope)` to `relation =
relation.merge(scope)` should in theory never cause any changes in
behavior. The subtle breakage led to a surprising conclusion.
The old code wasn't doing anything! Since `merge!` calls
`instance_exec` when given a proc, and most scopes will look something
like `has_many :foos, -> { where(foo: :bar) }`, if we're not capturing
the return value, it's a no-op. However, removing the `merge` causes
`unscope` to break.
While we're merging in the rest of the chain elsewhere, we were never
merging in `unscope` values, causing a breakage on associations where a
default scope was being unscoped in an association scope (yuk!). This is
subtly related to #20722, since it appears we were previously relying on
this mutability.
Fixes #20721.
Fixes #20727.
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vngrs/foreign_key_with_table_name_suffix_and_prefix
Add table name prefix and suffix support for foreign keys
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remove_foreign_key methods
fix tests
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Passing `:from` and `:to` to `change_column_default` makes this command
reversible as user has defined its previous state.
So, instead of having the migration command as:
change_column_default(:posts, :state, "draft")
They can write it as:
change_column_default(:posts, :state, from: nil, to: "draft")
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Display decimal defaults as strings to keep precision
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Fix `undefined method uncached` for polymorphic belongs_to #20426
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Unitialized polymorphic `belongs_to` associations raise an error while
attempting to reload, as they attempt to make an uncached reload, but
don't have a klass to fetch uncachedly. In this case, `loaded?` should
be `false` anyway.
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thrown ActiveRecord::AssociationTypeMismatch when assigning a wrong value for a namespaced association
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for a namespaced association
fixes #20541
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Associated objects that were marked for destruction are considered absent.
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the test was created in 7659fb6
the fixtures were added in c092dbe
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