From: Rod Taylor <rbt@rbt.ca>
To: Rado Petrik <r.p@szm.sk>
Cc: PostgreSQL-mailinglist <pgsql-sql@postgresql.org>
Subject: Re: What is bad in this query ?
Date: 02 May 2003 10:32:52 -0400
Message-ID: <1051885971.94424.29.camel@jester> (raw)
In-Reply-To: <1051881697.29275.14.camel@caj>
References: <1051881697.29275.14.camel@caj>
On Fri, 2003-05-02 at 09:21, Rado Petrik wrote:
> Hi,
>
> What is bad in this query ?
>
> SELECT CASE
> WHEN EXIST(SELECT * FROM user WHERE name=rado)
> THEN (INSERT INTO user VALUES('rado'))
> END;
The INSERT is bad.
Try something like:
INSERT INTO user (name)
SELECT name FROM user WHERE name = 'rado';
--
Rod Taylor <rbt@rbt.ca>
PGP Key: http://www.rbt.ca/rbtpub.ascAttachments:
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To: pgsql-sql@postgresql.org
Cc: rbt@rbt.ca, r.p@szm.sk
Subject: Re: What is bad in this query ?
In-Reply-To: <1051885971.94424.29.camel@jester>
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