# File lib/big_record/connection_adapters/column.rb, line 319
        def hash_to_integer_collection(value)
          ret = nil
          begin
            collection = parse_collection(value)
            ret = collection.collect(&:to_i)
          rescue
            $stderr.puts("expected an array, got #{collection}, (#{collection.class})\n"+
              "original value fed into parse_collection was #{value}, (#{value.class})")
            ret = [collection.to_i]
          end
          ret
        end