From: Edmund Bacon <ebacon@onesystem.com>
To: pgsql-sql <pgsql-sql@postgresql.org>
Subject: Re: Functional index and string concatenation
Date: Mon, 08 Mar 2004 08:28:07 -0700
Message-ID: <1078759686.10233.1.camel@elb_lx.onesystem.ca> (raw)
In-Reply-To: <404C8F08.2070403@yahoo.com.br>
References: <404C8F08.2070403@yahoo.com.br>
On Mon, 2004-03-08 at 08:19, Daniel Henrique Alves Lima wrote:
> Is there a way to create a "functional index" over a string
> concatenation of two columns ?
>
> Thanks.
>
Like this?
test=# create table strtable (x int, str1 text, str2 text);
CREATE TABLE
test=# create index str_idx on strtable( textcat(str1, str2) );
CREATE INDEX
test=#
--
Edmund Bacon <ebacon@onesystem.com>
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To: pgsql-sql@postgresql.org
Cc: ebacon@onesystem.com
Subject: Re: Functional index and string concatenation
In-Reply-To: <1078759686.10233.1.camel@elb_lx.onesystem.ca>
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