From: Richard Huxton <dev@archonet.com>
To: Cyber Join <cyberjoin@linuxmail.org>
To: pgsql-sql@postgresql.org
Subject: Re: select 3 characters
Date: Thu, 15 May 2003 22:27:23 +0100
Message-ID: <200305152227.23542.dev@archonet.com> (raw)
In-Reply-To: <20030515200526.31852.qmail@linuxmail.org>
References: <20030515200526.31852.qmail@linuxmail.org>
On Thursday 15 May 2003 9:05 pm, Cyber Join wrote:
> Hi I need select the first 3 characters from a table
>
> I try this but doesn't work
>
> "SELECT left(data,3) AS value FROM table;"
>
> i see the left function doesn't work what is the similar function in
> postgresql
It's called "substr":
richardh=# select substr('abcde',3);
substr
--------
cde
(1 row)
richardh=# select substr('abcde',1,3);
substr
--------
abc
(1 row)
--
Richard Huxton
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To: pgsql-sql@postgresql.org
Cc: dev@archonet.com, cyberjoin@linuxmail.org
Subject: Re: select 3 characters
In-Reply-To: <200305152227.23542.dev@archonet.com>
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