class ActiveRecord::SmartPreloader
Constants
- VERSION
Public Class Methods
call(records, association)
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# File lib/active_record/smart_preloader.rb, line 7 def self.call(records, association) case association when Hash association.each do |key, value| preloaded_records = call(records, key) call(preloaded_records, value) end when Array association.each do |key| call(records, key) end when Symbol, String ActiveRecord::Associations::Preloader.new.preload(records, association) records.flat_map(&association.to_sym.to_proc).compact when CompositeKey ActiveRecord::CompositeKeyPreloader.(records, association.association, association.key) records.flat_map(&association.association.to_sym.to_proc).compact when Proc records.select(&association) else if association.instance_of?(Class) && association.ancestors.include?(ApplicationRecord) return records.grep(association) end raise ArgumentError, "#{association.inspect} was not recognized for preload" end end
new(preloads)
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# File lib/active_record/smart_preloader.rb, line 35 def initialize(preloads) @preloads = preloads end
Public Instance Methods
call(records)
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# File lib/active_record/smart_preloader.rb, line 39 def call(records) self.class.call(records, @preloads) end