"David E. Wheeler" <[EMAIL PROTECTED]> writes: > On Oct 21, 2008, at 13:58, Tom Lane wrote: >> Same as before, I think: initialize it to '{}'. What's at stake here >> is exactly what does that notation mean ...
> An empty, single-dimension array. But I got the impression from Simon > that he thought it should be NULL. Well, we can't do that because it would clearly break too much existing code. '{}' has got to result in something you can successfully concatenate more elements to. But either the current behavior with a zero-dimension array, or a one-dimensional length-zero array would presumably work okay. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers