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Simplify and memoize polymorphic?

This commit is contained in:
John Hawthorn 2021-03-24 11:25:19 -07:00
parent 7702ce8243
commit df15d36970
1 changed files with 6 additions and 9 deletions
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15
activerecord/lib/active_record/associations/preloader/branch.rb
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@ -39,9 +39,10 @@ module ActiveRecord
def grouped_records
h = {}
polymorphic_parent = !root? && parent.polymorphic?
source_records.each do |record|
reflection = record.class._reflect_on_association(association)
next if polymorphic_parent? && !reflection || !record.association(association).klass
next if polymorphic_parent && !reflection || !record.association(association).klass
(h[reflection] ||= []) << record
end
h
@ -53,17 +54,13 @@ module ActiveRecord
end
end
def polymorphic_parent?
return false if root?
parent.polymorphic?
end
def polymorphic?
return false if root?
return @polymorphic if defined?(@polymorphic)
grouped_records.keys.any? do |reflection|
reflection.options[:polymorphic]
@polymorphic = source_records.any? do |record|
reflection = record.class._reflect_on_association(association)
reflection && reflection.options[:polymorphic]
end
end