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This is a real fix (as compared to the band-aid in b127d86c), which uses
the recently-added equality methods for ARel nodes. It has the side
benefit of simplifying the merge code a bit.
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brainopia/use_inversed_parent_for_first_and_last_child
Use inversed parent for first and last child of has_many association
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ernie/fix-nomethoderror-on-non-attribute-equalities
Fix merge error when Equality LHS is non-attribute
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This is at best a band-aid for a more proper fix, since it won't truly
handle the removal of the previous equality condition of these other
nodes. I'm planning to put in some work on ARel toward supporting that
goal.
Related: rails/arel#130, ernie/squeel#153, ernie/squeel#156
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Fixes #7374
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Fix occasional microsecond conversion inaccuracy
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ActiveRecord::ConnectionAdapters::Column#microseconds did an unnecessary
conversion to from Rational to float when calculating the integer number
of microseconds. Some terminating decimal numbers in base10 are
repeating decimal numbers in base2 (the format of float), and
occasionally this causes a rounding error.
Patch & explanation originally from Logan Bowers.
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For consistency with the other AR extension plugins we are creating.
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Change Relation#update_all with blank argument to raise an ArgumentError
instead of trying an update with empty fields.
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This fixes issue #3217.
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Method compilation provides better performance and I think the code
comes out cleaner as well.
A knock on effect is that methods that get redefined produce warnings. I
think this is a good thing. I had to deal with a bunch of warnings
coming from our tests, though.
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It's not really a good idea to have this as a global config option. We
should allow people to specify the behaviour per association.
There will now be two new values:
* :dependent => :restrict_with_exception implements the current
behaviour of :restrict. :restrict itself is deprecated in favour of
:restrict_with_exception.
* :dependent => :restrict_with_error implements the new behaviour - it
adds an error to the owner if there are dependent records present
See #4727 for the original discussion of this.
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Fix #7191. Remove unnecessary transaction when assigning has_one associations.
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Didn't fail the test because adapter#query happens to
not call raw connection's #query, but don't want to count
on that and have a fragile test.
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Full test requiring manual intervention was fine, but
w/ simulated disconnect, assertion was backward & still
passing. Was several kinds of wrong.
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by Active Support)
Selecting which key extensions to include in active_support/rails
made apparent the systematic usage of Object#in? in the code base.
After some discussion in
https://github.com/rails/rails/commit/5ea6b0df9a36d033f21b52049426257a4637028d
we decided to remove it and use plain Ruby, which seems enough
for this particular idiom.
In this commit the refactor has been made case by case. Sometimes
include? is the natural alternative, others a simple || is the
way you actually spell the condition in your head, others a case
statement seems more appropriate. I have chosen the one I liked
the most in each case.
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Closes #6600
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On reflection, it seems like a bit of a weird method to have on
ActiveRecord::Base, and it shouldn't be needed most of the time anyway.
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This was requested by DHH to allow creating of one's own custom
association macros.
For example:
module Commentable
def has_many_comments(extra)
has_many :comments, -> { where(:foo).merge(extra) }
end
end
class Post < ActiveRecord::Base
extend Commentable
has_many_comments -> { where(:bar) }
end
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zero and the new value is not a string.
Before this commit this was the behavior
r = Review.find_by_issue(0)
r.issue
=> 0
r.changes
=> {}
r.issue = 0
=> 0
r.changed?
=> true
r.changes
=> {"issue"=>[0,0]}
Fixes #7237
Conflicts:
activerecord/CHANGELOG.md
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This can be used to get a Relation from an association.
Previously we had a #scoped method, but we're deprecating that for
AR::Base, so it doesn't make sense to have it here.
This was requested by DHH, to facilitate code like this:
Project.scope.order('created_at DESC').page(current_page).tagged_with(@tag).limit(5).scoping do
@topics = @project.topics.scope
@todolists = @project.todolists.scope
@attachments = @project.attachments.scope
@documents = @project.documents.scope
end
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This method explicitly loads the records and then returns `self`.
Rather than deciding between "do I want an array or a relation?",
most people are actually asking themselves "do I want to eager load
or lazy load?" Therefore, this method provides a way to explicitly
eager-load without having to switch from a `Relation` to an array.
Example:
@posts = Post.where(published: true).load
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This reverts commit 3803fcce26b837c0117f7d278b83c366dc4ed370.
Conflicts:
activerecord/CHANGELOG.md
It will be deprecated only in 4.0, and removed properly in 4.1.
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User.order("name asc").order("created_at desc")
# SELECT * FROM users ORDER BY created_at desc, name asc
This also affects order defined in `default_scope` or any kind of associations.
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update_column was suggested as replacement of update_attribute at the
last release of 3-2-stable, so deprecating it now will confuse the
users.
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rimidl/fix-incorrect-require-mysql-in-mysql_rake_test
Fix incorrect usage `require mysql` in the activerecord/.../mysql_rake_test
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activerecord/test/.../mysql_rake_test.rb
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This reverts commit 14fc8b34521f8354a17e50cd11fa3f809e423592.
Reason: we need to discuss a better path from this removal.
Conflicts:
activerecord/lib/active_record/reflection.rb
activerecord/test/cases/base_test.rb
activerecord/test/models/developer.rb
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to address ORA-01400 errors with Oracle enhanced adapter.
The original commit 3c0bf043 requires :json_data_empty attribute
has empty string OR null, then setting `:default => ""` is enough.
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Validates_presence_of associated object marked for destruction
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This allows us to mark the parent object as invalid if all associated objects
in a presence validated association are marked for destruction.
See: https://github.com/rails/rails/issues/6812
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It has been moved to active_record_deprecated_finders.
Use #to_a instead.
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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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Previously it returned an Array.
If you want an array, call e.g. `Post.to_a` rather than `Post.all`. This
is more explicit.
In most cases this should not break existing code, since
Relations use method_missing to delegate unknown methods to #to_a
anyway.
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to address ORA-01400 errors with Oracle enhanced adapter.
Issue #4856 had been fixed and tested with
the attribute `:null => false, :default => ""`.
Now `:null => false` attribute is not necessary to test this issue.
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Moved logic from class_of_active_record_descendant(class) to the
base_class method. This method was confusing because it required
an argument, but that argument was 'self'.
Moved base_class tests to inheritance_test.rb and added some test
coverage for some untested cases.
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Postgresql auto reconnect 2
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