Re: knngist - 0.8 - Mailing list pgsql-hackers

From Peter Eisentraut
Subject Re: knngist - 0.8
Date
Msg-id 1287430415.26448.5.camel@vanquo.pezone.net
Whole thread Raw
In response to Re: knngist - 0.8  (Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk>)
Responses Re: knngist - 0.8
List pgsql-hackers
On mån, 2010-10-18 at 11:41 +0100, Mark Cave-Ayland wrote:
> Paul Ramsey wrote:
> 
> >> So what kind of data structure would you like for a typmod?
> > 
> > I'm a primitive enough beast that just having 64-bits would make me
> > happy. As a general matter though, a bytea?
> > 
> > P
> 
> For my vote, I'd prefer either the Oid of a custom type or an array of 
> Oid, Datum pairs - i.e. something we can extend in the future if required.

I think if we really wanted to design this generally, we'd give a type
function arguments.  So, numeric would get (int default = 0, int default
= 0).  That can easily get very complicated, of course.

In any case, for the shorter term, it's clear that refactoring the
passing around of type + typmod would help this endeavor, so I'm going
to give it a try. 



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