Simon Riggs wrote:
On Tue, 2008-11-25 at 12:21 +0200, Peter Eisentraut wrote:
Peter Eisentraut wrote:
Here is an implementation of distinct types,
I'm withdrawing this patch from the current commit fest for further
work. For the record, I have attached the current patch, including the
documentation work by Jeff Davis.
Shame, this was sorely needed.
I understand, but the work required to make it work properly is too much
under the commit fest spirit right now. In particular, I'm thinking we
should try to devise a clever way to make the CREATE ORDERING facility
that SQL has for user-defined types interface with our more general
operator and operator class mechanisms. This would then also benefit
other sorts of user-defined types. There are also a number of unclear
assumptions about the domain behavior implicitly in the system that will
possibly require a lengthy shaking-out process if we add other sorts of
derived types.
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