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association_relation.rb
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association_relation.rb
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# frozen_string_literal: true
module ActiveRecord
class AssociationRelation < Relation # :nodoc:
def initialize(klass, association, **)
super(klass)
@association = association
end
def proxy_association
@association
end
def ==(other)
other == records
end
def build(attributes = nil, &block)
block = _deprecated_scope_block("new", &block)
scoping { @association.build(attributes, &block) }
end
alias new build
def create(attributes = nil, &block)
block = _deprecated_scope_block("create", &block)
scoping { @association.create(attributes, &block) }
end
def create!(attributes = nil, &block)
block = _deprecated_scope_block("create!", &block)
scoping { @association.create!(attributes, &block) }
end
%w(insert insert_all insert! insert_all! upsert upsert_all).each do |method|
class_eval <<~RUBY
def #{method}(attributes, **kwargs)
if @association.reflection.through_reflection?
raise ArgumentError, "Bulk insert or upsert is currently not supported for has_many through association"
end
scoping { klass.#{method}(attributes, **kwargs) }
end
RUBY
end
private
def exec_queries
super do |record|
@association.set_inverse_instance_from_queries(record)
yield record if block_given?
end
end
end
end