method

arel_columns

v7.1.3.4 - Show latest stable - 0 notes - Class: ActiveRecord::QueryMethods

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arel_columns(columns) private

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# File activerecord/lib/active_record/relation/query_methods.rb, line 1775
      def arel_columns(columns)
        columns.flat_map do |field|
          case field
          when Symbol
            arel_column(field.to_s) do |attr_name|
              connection.quote_table_name(attr_name)
            end
          when String
            arel_column(field, &:itself)
          when Proc
            field.call
          else
            field
          end
        end
      end

arel_columns

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