method

preprocess_order_args

v4.2.1 - Show latest stable - 0 notes - Class: ActiveRecord::QueryMethods

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preprocess_order_args(order_args) private

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# File activerecord/lib/active_record/relation/query_methods.rb, line 1122
    def preprocess_order_args(order_args)
      order_args.flatten!
      validate_order_args(order_args)

      references = order_args.grep(String)
      references.map! { |arg| arg =~ /^([a-zA-Z]\w*)\.(\w+)/ && $1 }.compact!
      references!(references) if references.any?

      # if a symbol is given we prepend the quoted table name
      order_args.map! do |arg|
        case arg
        when Symbol
          arg = klass.attribute_alias(arg) if klass.attribute_alias?(arg)
          table[arg].asc
        when Hash
          arg.map { |field, dir|
            field = klass.attribute_alias(field) if klass.attribute_alias?(field)
            table[field].send(dir.downcase)
          }
        else
          arg
        end
      end.flatten!
    end

preprocess_order_args

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