On Aug 11, 2010, at 9:40 AM, Robert Haas wrote: > Yeah, I think David's examples are talking about the behavior of join, > but we're trying to decide what split should do.
Right, sorry about that. > I think the main > argument for making it return NULL is that you can then fairly easily > use COALESCE() to get whatever you want. That's a bit more difficult > if you use return any other value. But I think your argument that an > empty array is better than a one-element array containing an empty > string is very much correct, as between those options. I prefer an empty array. Best, David -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers