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Re: Distinct types

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 (view raw or flat)
Thread:
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 timeā€¦
>
> 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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