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Follow up of #32514.
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samdec/multiple-has-one-through-associations-build-bug
Fix .new with multiple through associations
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This fixes a bug with building an object that has multiple
`has_many :through` associations through the same object.
Previously, when building the object via .new, the intermediate
object would be created instead of just being built.
Here's an example:
Given a GameBoard, that has_one Owner and Collection through Game.
The following line would cause a game object to be created in the
database.
GameBoard.new(owner: some_owner, collection: some_collection)
Whereas, if passing only one of those associations into `.new` would
cause the Game object to be built and not created in the database.
Now the above code will only build the Game object, and not save it.
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Relax assertions in connection config tests
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At the moment these two ActiveRecord tests pass with `rake test:sqlite3`,
but fail with `ARCONN=sqlite3 bin/test`.
`Rails.root` is defined when running `bin/test`, but not when running
the rake task. When `Rails.root` is defined, `config[:database]` will
look something like `vagrant/rails/activerecord/db/primary.sqlite3`
instead of just `db/primary.sqlite3`.
(See https://github.com/rails/rails/blob/00caf95e14b90782ab17fbd6d2b930844df99980/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb#L27)
Relaxing `assert_equal` to `assert_match` will allow these tests to pass
regardless of how they are run.
I do have a question why we need both ways to run tests. I have been
using `bin/test` lately, but I see from #32426 that this is not the preferred
method.
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Add `touch_all` method to `ActiveRecord::Relation`
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Fix relation merging with skip_query_cache!
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This autocorrects the violations after adding a custom cop in
3305c78dcd.
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effect the arel and the arel may already be generated by fresh_when
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When an array of hashes is added to a `HashWithIndifferentAccess`, the
hashes are replaced with HWIAs by mutating the array in place.
If an attribute's value is an array of hashes, `changes_to_save` will
convert it to an array of HWIAs as a side-effect of adding it to the
changes hash.
Using `merge!` instead of `[]=` fixes the problem, as `merge!` copies
any array values in the provided hash instead of mutating them.
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This has been possible since Mocha v1.0 and makes it clear that we want
Mocha to integrate with Minitest, not Test::Unit.
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Bring back private class methods accessibility in named scope
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The receiver in a scope was changed from `klass` to `relation` itself
for all scopes (named scope, default_scope, and association scope)
behaves consistently.
In addition. Before 5.2, if both an AR model class and a Relation
instance have same named methods (e.g. `arel_attribute`,
`predicate_builder`, etc), named scope doesn't respect relation instance
information.
For example:
```ruby
class Post < ActiveRecord::Base
has_many :comments1, class_name: "RecentComment1"
has_many :comments2, class_name: "RecentComment2"
end
class RecentComment1 < ActiveRecord::Base
self.table_name = "comments"
default_scope { where(arel_attribute(:created_at).gteq(2.weeks.ago)) }
end
class RecentComment2 < ActiveRecord::Base
self.table_name = "comments"
default_scope { recent_updated }
scope :recent_updated, -> { where(arel_attribute(:updated_at).gteq(2.weeks.ago)) }
end
```
If eager loading `Post.eager_load(:comments1, :comments2).to_a`,
`:comments1` (default_scope) respects aliased table name, but
`:comments2` (using named scope) may not work correctly since named
scope doesn't respect relation instance information. See also 801ccab.
But this is a breaking change between releases without deprecation.
I decided to bring back private class methods accessibility in named
scope.
Fixes #31740.
Fixes #32331.
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Add custom RuboCop for `assert_not` over `refute`
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73e7aab behaved as expected on codeship, failing the build with
exactly these RuboCop violations. Hopefully `rubocop -a` will
have been enough to get a passing build!
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Optimize the code inside AR::QueryCache middleware
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An entry in `ActiveRecord::Base.configurations` can either be a
connection spec ("two-level") or a hash of specs ("three-level").
We were detecting two-level configurations by looking for the `database`
key, but the database can also be specified as part of the `url` key,
which meant we incorrectly treated those configurations as three-level.
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https://travis-ci.org/rails/rails/jobs/360109429
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Don't unset foreign key when preloading missing record
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When a belongs to association's target is set, its foreign key is now
updated to match the new target. This is the correct behaviour when a
new record is assigned, but not when the existing record is preloaded.
As long as we mark the association as loaded, we can skip setting the
target when the record is missing and avoid clobbering the foreign key.
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Fix deprecation warnings from with_lock
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Expose foreign key name ignore pattern in configuration
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This makes more sense, as the foreign key ignore pattern is only used by
the schema dumper.
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Part 1 Easy Multi db in Rails: Add basic rake tasks for multi db setup
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Add custom prefix to ActiveRecord::Store accessors
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Add a prefix option to ActiveRecord::Store.store_accessor and
ActiveRecord::Store.store. This option allows stores to have identical keys
with different accessors.
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The multiple assignments was caused by 37a1dfa due to lost the `to_s`
normalization for given names.
Fixes #32323.
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It makes to ease to detect a future regression as long as the methods
are covered by this test.
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This test fails in specific time.
Example:
If run this test on the machine with time 01:00 am UTC+2,
this test will fail.
Changing representing of 2000-01-01 01:00 am UTC+2 to UTC+0 change
the day, month and even year in our case,
so substitution `"2000-01-01 "` to `""` isn't possible.
```
Failure:
ActiveRecord::ConnectionAdapters::QuotingTest#test_quoted_time_utc
Expected: "1999-12-31 23:01:27"
Actual: "23:01:27"
```
Related to 7c479cbf
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Fix default connection handling with three-tier config
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If you had a three-tier config, the `establish_connection` that's called
in the Railtie on load can't figure out how to access the default
configuration.
This is because Rails assumes that the config is the first value in the
hash and always associated with the key from the environment. With a
three tier config however we need to go one level deeper.
This commit includes 2 changes. 1) removes a line from `resolve_all`
which was parsing out the the environment from the config so instead of
getting
```
{
:development => {
:primary => {
:database => "whatever"
}
},
:animals => {
:database => "whatever-animals"
}
},
etc with test / prod
}
```
We'd instead end up with a config that had no attachment to it's
envioronment.
```
{
:primary => {
:database => "whatever"
}
:animals => {
:database => "whatever-animals"
}
etc - without test and prod
}
```
Not only did this mean that Active Record didn't know how to establish a
connection, it didn't have the other necessary configs along with it in
the configs list.
So fix this I removed the line that deletes these configs.
The second thing this commit changes is adding this line to
`establish_connection`
```
spec = spec[spec_name.to_sym] if spec[spec_name.to_sym]
```
When you have a three-tier config and don't pass any hash/symbol/env etc
to `establish_connection` the resolver will automatically return both
the primary and secondary (in this case animals db) configurations.
We'll get an `database configuration does not specify adapter` error
because AR will try to establish a connection on the `primary` key
rather than the `primary` key's config. It assumes that the
`development` or default env automatically will return a config hash,
but with a three-tier config we actually get a key and config `primary
=> config`.
This fix is a bit of a bandaid because it's not the "correct" way to
handle this situation, but it does solve our immediate problem. The new
code here is saying "if the config returned from the resolver (I know
it's called spec in here but we interchange our meanings a LOT and what
is returned is a three-tier config) has a key matching the "primary"
spec name, grab the config from the spec and pass that to the
estalbish_connection method".
This works because if we pass `:animals` or a hash, or `:primary` we'll
already have the correct configuration to connect with.
This fixes the case where we want Rail to connect with the default
connection.
Coming soon is a refactoring that should eliminate the need to do this
but I need this fix in order to write the multi-db rake tasks that I
promised in my RailsConf submission. `@tenderlove` and I are working on
the refactoring of the internals for connection management but it won't
be ready for a few weeks and this issue has been blocking progress.
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lsylvester/only-preload-misses-on-multifetch-cache
Only preload misses on multifetch cache
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In #24542, quoted_time was introduced to strip the leading date
component for time columns because it was having a significant
effect in mariadb. However, it assumed that the date component
was always 2000-01-01 which isn't the case, especially if the
source wasn't another time column.
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For legacy reasons Rails stores time columns on sqlite as full
timestamp strings. However because the date component wasn't being
normalized this meant that when they were read back they were being
prefixed with 2001-01-01 by ActiveModel::Type::Time. This had a
twofold result - first it meant that the fast code path wasn't being
used because the string was invalid and second it was corrupting the
second fractional component being read by the Date._parse code path.
Fix this by a combination of normalizing the timestamps on writing
and also changing Active Model to be more lenient when detecting
whether a string starts with a date component before creating the
dummy time value for parsing.
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In #20317, datetime columns had their precision applied on assignment but
that behaviour wasn't applied to time columns - this commit fixes that.
Fixes #30301.
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When a class has a belongs_to or has_one relationship with dependent: :destroy
option enabled, objects of this class should not be deleted if it's dependents
cannot be deleted.
Example:
class Parent
has_one :child, dependent: :destroy
end
class Child
belongs_to :parent, inverse_of: :child
before_destroy { throw :abort }
end
c = Child.create
p = Parent.create(child: c)
p.destroy
p.destroyed? # expected: false; actual: true;
Fixes #32022
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