From: Josh Berkus <josh@agliodbs.com>
To: Ian Burrell <ib@onsitetech.com>
To: pgsql-sql@postgresql.org
Subject: Re: Sorting by NULL values
Date: Tue, 4 Mar 2003 11:01:52 -0800
Message-ID: <200303041101.52565.josh@agliodbs.com> (raw)
In-Reply-To: <3E65023E.10404@onsitetech.com>
References: <3E65023E.10404@onsitetech.com>
Ian,
> I am doing a query where I need to sort by a column that may be NULL
> because it is coming from an OUTER JOIN. I noticed a difference between
> PostgreSQL and other databases about where NULLs show up. It seems that
> with Postgres, NULLs are sorted after other values. Other databases
> sort them before.
Not all other databases. It really depends.
> Is there a way to replace the NULLs with
> empty strings?
Sure: UPDATE table SET column = '' WHERE column IS NULL
--
Josh Berkus
josh@agliodbs.com
Aglio Database Solutions
San Francisco
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To: pgsql-sql@postgresql.org
Cc: josh@agliodbs.com, ib@onsitetech.com
Subject: Re: Sorting by NULL values
In-Reply-To: <200303041101.52565.josh@agliodbs.com>
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