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use a map and flatten to avoid << calls on array

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This commit is contained in:
Aaron Patterson 2010-10-20 16:20:49 -07:00
parent 784177aeee
commit 4be0fc124a
1 changed files with 5 additions and 7 deletions
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12
activerecord/lib/active_record/base.rb
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@ -987,17 +987,15 @@ module ActiveRecord #:nodoc:
# Similar in purpose to +expand_hash_conditions_for_aggregates+.
def expand_attribute_names_for_aggregates(attribute_names)
expanded_attribute_names = []
attribute_names.each do |attribute_name|
attribute_names.map { |attribute_name|
unless (aggregation = reflect_on_aggregation(attribute_name.to_sym)).nil?
aggregate_mapping(aggregation).each do |field_attr, aggregate_attr|
expanded_attribute_names << field_attr.to_sym
aggregate_mapping(aggregation).map do |field_attr, _|
field_attr.to_sym
end
else
expanded_attribute_names << attribute_name.to_sym
attribute_name.to_sym
end
end
expanded_attribute_names
}.flatten
end
def all_attributes_exists?(attribute_names)