result_as_array

# File activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb, line 103
        def result_as_array(res) #:nodoc:
          # check if we have any binary column and if they need escaping
          ftypes = Array.new(res.nfields) do |i|
            [i, res.ftype(i)]
          end

          rows = res.values
          return rows unless ftypes.any? { |_, x|
            x == BYTEA_COLUMN_TYPE_OID || x == MONEY_COLUMN_TYPE_OID
          }

          typehash = ftypes.group_by { |_, type| type }
          binaries = typehash[BYTEA_COLUMN_TYPE_OID] || []
          monies   = typehash[MONEY_COLUMN_TYPE_OID] || []

          rows.each do |row|
            # unescape string passed BYTEA field (OID == 17)
            binaries.each do |index, _|
              row[index] = unescape_bytea(row[index])
            end

            # If this is a money type column and there are any currency symbols,
            # then strip them off. Indeed it would be prettier to do this in
            # PostgreSQLColumn.string_to_decimal but would break form input
            # fields that call value_before_type_cast.
            monies.each do |index, _|
              data = row[index]
              # Because money output is formatted according to the locale, there are two
              # cases to consider (note the decimal separators):
              #  (1) $12,345,678.12
              #  (2) $12.345.678,12
              case data
              when /^-?\D+[\d,]+\.\d{2}$/  # (1)
                data.gsub!(/[^-\d.]/, '')
              when /^-?\D+[\d.]+,\d{2}$/  # (2)
                data.gsub!(/[^-\d,]/, '').sub!(/,/, '.')
              end
            end
          end
        end