Re: Concatenating two Text fields from the same tuple

From: Andrew Sullivan <andrew(at)libertyrms(dot)info>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Concatenating two Text fields from the same tuple
Date: 2003-07-03 20:01:57
Message-ID: 20030703200156.GN1561@libertyrms.info
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On Thu, Jul 03, 2003 at 06:16:35PM +0100, psql-mail(at)freeuk(dot)com wrote:
> Question 2: If not - is it possible for me to concatenate attr1 and
> attr2 before i do the search as this would remove the logic problems. (
> and if it is possible - is it efficient?)

I don't know the answer to your other problems, but the "||" operator
allows you to concatenate. And "where field1||field2 = 'something'"
works. Whether it'd be efficienct is another question. Maybe you
could do something fancy with a partial index or something, but I
can't think how.

A

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