Re: [BUGS] BUG #1745: Unable to delete data from the database

From: "Sivaraman K(dot)G" <Ganapathy(dot)Sivaraman(at)alcatel(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: [BUGS] BUG #1745: Unable to delete data from the database
Date: 2005-07-10 18:28:27
Message-ID: 42D168CB.60C6EEB4@alcatel.com
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Hi,
<p>Since I didn't get any response, I am just posting in pgsql-hackers.
<br>Can any one help ?.
<p>Thanks
<br>Siva
<p>> "K.G.Sivaraman" wrote:
<blockquote TYPE=CITE>The following bug has been logged online:
<p>Bug reference:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1745
<br>Logged by:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; K.G.Sivaraman
<br>Email address:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ksivaram(at)ssd(dot)usa(dot)alcatel(dot)com
<br>PostgreSQL version: 8.0
<br>Operating system:&nbsp;&nbsp; Solaris
<br>Description:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Unable to delete
data from the database
<br>Details:
<p>When try to delete the existing name in the database (having ID and
Name as
<br>the table parameters and both are indexed), it returns success.
<br>But when queried again, then the deleted name appeared.
<br>When we analysed the problem, the basic delete
<br>command itself not working.
<br>Normally DELETE command will return the number of records deleted (ex)
<br>DELETE 1 for 1 record.
<br>But now, it returns DELETE 0, even though the
<br>record is there and it is not got deleted.
<p>The error in the log file is as follows :
<p>ERROR : xlog flush request 0/D17B00 is not satisfied --- flushed only
to
<br>0/C31ED0
<br>CONTEXT : writing block 0 of relation 17231/17232/17249
<br>WARNING : could not write block 0 of 17231/17232/17249
<br>DETAIL : Multiple failures --- write error may be
<br>permanent.
<p>But when I add a new record, it is getting added and
<br>I am able to delete the newly added record.
<p>Why this error coming ?. Can some one can help ?.
<p>---------------------------(end of broadcast)---------------------------
<br>TIP 9: In versions below 8.0, the planner will ignore your desire to
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; choose an index scan if your joining
column's datatypes do not
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; match</blockquote>

<pre>--&nbsp;
K.G.Sivaraman, Axes Technologies (I) Pvt Ltd

"The only SERVICE to be done for our lower classes is to give them&nbsp;
EDUCATION, to develop their lost individuality" - Swami Vivekananda</pre>
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