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Closes #10198.
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bit column in Postgresql, because solving ambiguity.
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This reverts commit cdd293cb963b895ff580eb20d10f5d56ecb3d447.
Reason: This wasn't properly fix.
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this shows a problem with nil values
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Existing code was delegating to the instance with delegate
macro calls, or invoking the instance method to reach
the object and call its instance methods.
But the point is to have a clean class-level interface where
the thread local instance is hidden in the implementation.
References #11c6973.
References #10198.
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yahonda/test_relation_merging_with_merged_joins_oracle
Address ORA-00979: not a GROUP BY expression error
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Statement cache
Conflicts:
activerecord/CHANGELOG.md
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This reverts commit 9bf1a0db4acbbf9e8e6f707250269185224e7efe, reversing
changes made to fed97091b9546d369a240d10b184793d49247dd3.
Conflicts:
activerecord/test/cases/transaction_callbacks_test.rb
Reason: This fix introduces another issue described at #8937, so we are
reverting it to restore the behavior of 3-2-stable.
We will fix both issues when we come out with a better solution
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Fixes #3002. Also see #5494.
```
class Comment < ActiveRecord::Base
belongs_to :post
end
class Author < ActiveRecord::Base
has_many :posts
end
class Post < ActiveRecord::Base
belongs_to :author
has_many :comments
end
```
`Comment.joins(:post).merge(Post.joins(:author).merge(Author.where(:name => "Joe Blogs"))).all` would
fail with `ActiveRecord::ConfigurationError: Association named 'author' was not found on Comment`.
It is failing because `all` is being called on relation which looks like this after all the merging:
`{:joins=>[:post, :author], :where=>[#<Arel::Nodes::Equality: ....}`. In this relation all the context that
`Post` was joined with `Author` is lost and hence the error that `author` was not found on `Comment`.
Ths solution is to build JoinAssociation when two relations with join information are being merged. And later
while building the arel use the previously built `JoinAssociation` record in `JoinDependency#graft` to
build the right from clause.
Thanks to Jared Armstrong (https://github.com/armstrjare) for most of the work. I ported it to make it
compatible with new code base.
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PerThreadRegistry module.
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current_scope and ignore_default_scope locals are brought together under
a registry object.
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Correctly parse bigint defaults in PostgreSQL
Conflicts:
activerecord/CHANGELOG.md
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Association with inverse_of does not set the parent in association building block
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This fixes inconsistency when building children of association
which has inverse_of set properly.
When creating new association object with a block:
parent.association.build do |child|
child.parent.equal?(parent) # false
end
So the block the `child.parent` did not point to the same object.
But when the object is created it points to same instance:
child = parent.association.build
child.parent.equal?(parent) # true
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See #9869 and #9929.
The problem arises from the following example:
class Project < ActiveRecord::Base
scope :completed, -> { where completed: true }
end
class MajorProject < Project
end
When calling:
MajorProject.where(tasks_count: 10).completed
This expands to:
MajorProject.where(tasks_count: 10).scoping {
MajorProject.completed
}
However the lambda for the `completed` scope is defined on Project. This
means that when it is called, `self` is Project rather than
MajorProject. So it expands to:
MajorProject.where(tasks_count: 10).scoping {
Project.where(completed: true)
}
Since the scoping was applied on MajorProject, and not Project, this
fails to apply the tasks_count condition.
The solution is to make scoping apply across STI classes. I am slightly
concerned about the possible side-effects of this, but no tests fail and
it seems ok. I guess we'll see.
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Round off time to a whole second value to compensate for databases
that don't support fractional timestamps. Also add a assertion to
check that the old record is touched when the association is cleared.
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If we don't use inspect inside the class_eval block then the foreign key
is written without quotes causing us to fetch the foreign key value and
not the column name.
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fixes #10016
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belongs_to :touch should touch old record when transitioning.
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as opposed to blank?
This is both faster and more correct, added tests to make sure this is not reverted again.
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mmangino/raise_when_attributes_cant_be_unserialized
Unserializing YAML attributes can silently fail in development mode
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rails's testcases.
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senny/replace_merge_with_relation_calls_in_count_api
replace #merge with relation API calls in calculations_test.
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so that it is consistent with the error thrown for +find+ without an
inverse_of association.
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inverse_of option. I've also refactored the code for raising a
RecordNotFound exception when searching for records with ids.
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enum includes text or blob or ... hooked by wrong regex
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