Hi,
On 06/16/2009 04:32 PM, Robert Haas wrote:
> On Tue, Jun 16, 2009 at 10:30 AM, Andres Freund<andres@anarazel.de> wrote:
>> How would you model something like:
>> <plans>
>> <plan> ...</plan>
>> <plan> ...</plan>
>> ...
>> </plans>
>> otherwise?
>>
>> There are potentially unlimited number of child nodes - AppendNode for
>> example can have any number of them. Sure, you can give each<plan> node a
>> 'offset=' id, but that doesn't buy much.
>> I don't see how that could be much improved by using child-nodes (or even
>> worse attributes).
> Note that even in this case we DON'T rely on the ordering of the
> nodes. The inner<plan> nodes have child nodes which contain their
> relationship to the parent.
Not in the case of Append nodes, but I fail to see a problem there, so...
Andres