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Eagerly loaded collection and singular associations are ignored by the StatementCache, which causes errors when the queries they generate reference columns that were not eagerly loaded.
This commit skips the creation of the StatementCache as a fix for these scenarios.
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with dynamic conditions.
Fixes #16128
This bug was introduced in https://github.com/rails/rails/commit/c35e438620f2d56562251571377995359546393d
so it's present from 4.1.2-rc1 and after.
https://github.com/rails/rails/commit/c35e438620f2d56562251571377995359546393d
merges any relation scopes passed as proc objects to the relation,
but does *not* take into account the arity of the lambda.
To reproduce: https://gist.github.com/Agis-/5f1f0d664d2cd08dfb9b
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This reverts commit 9a1abedcdeecd9464668695d4f9c1d55a2fd9332, reversing
changes made to c72d6c91a7c0c2dc81cc857a1d6db496e84e0065.
Conflicts:
activerecord/CHANGELOG.md
activerecord/test/models/comment.rb
This change break integration with activerecord-deprecated_finders so
I'm reverting until we find a way to make it work with this gem.
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The foreign_key could be `String` and just doing `owners_map[owner_key]`
could return `nil`.
To prevent this bug, we should `to_s` both keys if their types are
different.
Fixes #14734.
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Fixes Issue #13466.
Conflicts:
activerecord/CHANGELOG.md
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Changed the call to a scope block to be evaluated with instance_eval.
The result is that ScopeRegistry can use the actual class instead of base_class when
caching scopes so queries made by classes with a common ancestor won't leak scopes.
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Make filter_binds filter out symbols that are equal to strings
Conflicts:
activerecord/CHANGELOG.md
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ActiveRecord::Relation::Merger's filter_binds method does not filter out bind
variables when one of the attribute nodes has a string name, but the other has
a symbol name, even when those names are actually equal.
This can result in there being more bind variables than placeholders in the
generated SQL. This is particularly an issue for PostgreSQL, where this is
treated as an error.
This patch changes the filter_binds method to make it convert both attribute
names to strings before comparing.
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This is a regression 4.0 -> 4.1 fix.
In 4.1.0 Relation#join is delegated to Arel#SelectManager.
In 4.0 series it is delegated to Array#join
This patch puts back the behaviour of 4.0
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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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It doesn't serve much purpose now that ActiveRecord::Base.all returns a
Relation.
The code is moved to active_record_deprecated_finders.
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things
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(as described in #5667)
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Don't use this:
scope :red, where(color: 'red')
default_scope where(color: 'red')
Use this:
scope :red, -> { where(color: 'red') }
default_scope { where(color: 'red') }
The former has numerous issues. It is a common newbie gotcha to do
the following:
scope :recent, where(published_at: Time.now - 2.weeks)
Or a more subtle variant:
scope :recent, -> { where(published_at: Time.now - 2.weeks) }
scope :recent_red, recent.where(color: 'red')
Eager scopes are also very complex to implement within Active
Record, and there are still bugs. For example, the following does
not do what you expect:
scope :remove_conditions, except(:where)
where(...).remove_conditions # => still has conditions
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the scope class method. Just define a class method yourself instead."
This reverts commit f0e198bfa1e3f9689e0cde1d194a44027fc90b3c.
Conflicts:
activerecord/test/models/post.rb
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class method. Just define a class method yourself instead.
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Conflicts:
activerecord/CHANGELOG
activerecord/lib/active_record/association_preload.rb
activerecord/lib/active_record/associations.rb
activerecord/lib/active_record/associations/class_methods/join_dependency.rb
activerecord/lib/active_record/associations/class_methods/join_dependency/join_association.rb
activerecord/lib/active_record/associations/has_many_association.rb
activerecord/lib/active_record/associations/has_many_through_association.rb
activerecord/lib/active_record/associations/has_one_association.rb
activerecord/lib/active_record/associations/has_one_through_association.rb
activerecord/lib/active_record/associations/through_association_scope.rb
activerecord/lib/active_record/reflection.rb
activerecord/test/cases/associations/has_many_through_associations_test.rb
activerecord/test/cases/associations/has_one_through_associations_test.rb
activerecord/test/cases/reflection_test.rb
activerecord/test/cases/relations_test.rb
activerecord/test/fixtures/memberships.yml
activerecord/test/models/categorization.rb
activerecord/test/models/category.rb
activerecord/test/models/member.rb
activerecord/test/models/reference.rb
activerecord/test/models/tagging.rb
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Signed-off-by: Santiago Pastorino <santiago@wyeworks.com>
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removing test_polymorphic_has_many_going_through_join_model_with_disabled_include, since this specifies different behaviour for an association than for a regular scope. It seems reasonable to expect scopes and association proxies to behave in roughly the same way rather than having subtle differences.
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was previously untested
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Foo.joins(:bar) will work for through associations. There is some duplicated code now, which will be refactored.
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including adding some explanatory comments, but more importantly structures it in such a way as to allow a JoinAssociation to produce an arbitrary number of actual joins, which will be necessary for nested has many through support. Also added 3 tests covering functionality which existed but was not previously covered.
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state:resolved]
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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9084 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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#10804 [jeanmartin]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8735 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8657 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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