| From: | "David E(dot) Wheeler" <david(at)kineticode(dot)com> |
|---|---|
| To: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
| Cc: | Peter Eisentraut <peter_e(at)gmx(dot)net>, Simon Riggs <simon(at)2ndQuadrant(dot)com>, PG Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Distinct types |
| Date: | 2008-11-28 16:12:08 |
| Message-ID: | E6B1A266-0F7C-4C23-94C3-2E5B36F17496@kineticode.com |
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| Lists: | pgsql-hackers |
On Nov 28, 2008, at 5:09 PM, Andrew Dunstan wrote:
>> Speaking of other sorts of derived types: might they include
>> something just like enums, but sorting on the string values defined
>> for the enum rather than on the order in which the values were
>> defined in the enum? I'd use something like that all the time…
>
> order by foo_enum::text ...
Ah, I didn't realize that. I guess I'd have to index it on ::text,
too. And then, to use the index in WHERE clauses, I'd further have to
compare to ::text, eh?
Best,
David
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