method

association_primary_key

v6.1.7.7 - Show latest stable - 0 notes - Class: BelongsToReflection

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association_primary_key(klass = nil) public

klass option is necessary to support loading polymorphic associations

Show source

# File activerecord/lib/active_record/reflection.rb, line 715
      def association_primary_key(klass = nil)
        if primary_key = options[:primary_key]
          @association_primary_key ||= -primary_key.to_s
        else
          primary_key(klass || self.klass)
        end
      end

association_primary_key

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