extract_bounds

# File activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb, line 69
            def extract_bounds(value)
              from, to = value[1..-2].split(",", 2)
              {
                from:          (from == "" || from == "-infinity") ? infinity(negative: true) : unquote(from),
                to:            (to == "" || to == "infinity") ? infinity : unquote(to),
                exclude_start: value.start_with?("("),
                exclude_end:   value.end_with?(")")
              }
            end