| From: | David Fetter <david(at)fetter(dot)org> |
|---|---|
| To: | Mark Cave-Ayland <mark(dot)cave-ayland(at)siriusit(dot)co(dot)uk> |
| Cc: | Paul Ramsey <pramsey(at)cleverelephant(dot)ca>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Teodor Sigaev <teodor(at)sigaev(dot)ru>, Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: knngist - 0.8 |
| Date: | 2010-10-18 13:29:55 |
| Message-ID: | 20101018132955.GJ17565@fetter.org |
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| Lists: | pgsql-hackers |
On Mon, Oct 18, 2010 at 11:41:06AM +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.
This sounds a lot like a foreign key to another table. Are you not
proposing doing that because of performance considerations?
Cheers,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
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