On Tue, Feb 16, 2010 at 09:11:24AM -0800, David E. Wheeler wrote: > > An extra source of puzzlement is that the oid of the 'unknown' type is > > 705 not 0, and the unknown type isn't discussed in the docs (as far as I > > could see). > > Yes, I noticed that, too. Greg, do you know the answer to that?
My guess is that, semantically, 0 means the datatype is unknown, whereas 705 means the datatype is known to be type "unknown". I believe however the backend treats these cases identically (at least, simple testing doesn't reveal any differences), but they are not the same. Have a nice day, -- Martijn van Oosterhout <klep...@svana.org> http://svana.org/kleptog/ > Please line up in a tree and maintain the heap invariant while > boarding. Thank you for flying nlogn airlines.
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