Thread: could not find pathkey item to sort

could not find pathkey item to sort

From
"Phillip Smith"
Date:
<div class="Section1"><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">Hi All,</span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial"> </span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">Since upgrading to PG 8.2, I’m getting this error on a nightly (bash) script that calls psql (it’s
purposeis to find stock codes that share an EAN Barcode with another code – it used to work, now
doesn’t):</span></font><pclass="MsoNormal" style="text-indent:36.0pt"><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial">ERROR:could not find pathkey item to sort</span></font><p class="MsoNormal"
style="text-indent:36.0pt"><fontface="Arial" size="2"><span style="font-size:10.0pt;font-family:Arial">SQL state:
XX000</span></font><pclass="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt; 
font-family:Arial"> </span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">The error is because of the ORDER BY clause of this query:</span></font><p class="MsoNormal"
style="text-indent:36.0pt"><fontface="Arial" size="2"><span style="font-size:10.0pt;font-family:Arial">SELECT  code,
description,ean</span></font><p class="MsoNormal" style="text-indent:36.0pt"><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial">FROM   $TMPTABLE</span></font><p class="MsoNormal"
style="text-indent:36.0pt"><fontface="Arial" size="2"><span style="font-size:10.0pt;font-family:Arial">WHERE   ean
<>''</span></font><p class="MsoNormal" style="text-indent:36.0pt"><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial"> AND   ean IN (SELECT ean FROM $TMPTABLE GROUP BY ean HAVING count(ean) >
1)</span></font><pclass="MsoNormal" style="text-indent:36.0pt"><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial">ORDERBY ean</span></font><p class="MsoNormal"><font face="Arial"
size="2"><spanstyle="font-size:10.0pt; 
font-family:Arial"> </span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">The $TMPTABLE is created as per:</span></font><p class="MsoNormal" style="text-indent:36.0pt"><font
face="Arial"size="2"><span style="font-size:10.0pt;font-family:Arial">CREATE TEMP TABLE $TMPTABLE</span></font><p
class="MsoNormal"style="text-indent:36.0pt"><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial">(</span></font><pclass="MsoNormal" style="text-indent:36.0pt"><font
face="Arial"size="2"><span style="font-size:10.0pt;font-family:Arial">  code varchar(6),</span></font><p
class="MsoNormal"style="text-indent:36.0pt"><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial"> description varchar(38),</span></font><p class="MsoNormal"
style="text-indent:36.0pt"><fontface="Arial" size="2"><span style="font-size:10.0pt;font-family:Arial">  grp
varchar(4),</span></font><pclass="MsoNormal" style="text-indent:36.0pt"><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial"> brand text,</span></font><p class="MsoNormal"
style="text-indent:36.0pt"><fontface="Arial" size="2"><span style="font-size:10.0pt;font-family:Arial">  style
text,</span></font><pclass="MsoNormal" style="text-indent:36.0pt"><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial"> supplier varchar(6),</span></font><p class="MsoNormal"
style="text-indent:36.0pt"><fontface="Arial" size="2"><span style="font-size:10.0pt;font-family:Arial">  supplier_code
text,</span></font><pclass="MsoNormal" style="text-indent:36.0pt"><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial"> wholesale numeric(10,2),</span></font><p class="MsoNormal"
style="text-indent:36.0pt"><fontface="Arial" size="2"><span style="font-size:10.0pt;font-family:Arial">  retail
numeric(10,2),</span></font><pclass="MsoNormal" style="text-indent:36.0pt"><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial"> ean varchar(13)</span></font><p class="MsoNormal"
style="text-indent:36.0pt"><fontface="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial">)</span></font><pclass="MsoNormal" style="text-indent:36.0pt"><font
face="Arial"size="2"><span style="font-size:10.0pt;font-family:Arial">WITHOUT OIDS;</span></font><p class="MsoNormal"
style="text-indent:36.0pt"><fontface="Arial" size="2"><span style="font-size:10.0pt;font-family:Arial">-- Import the
filefrom WB Database</span></font><p class="MsoNormal" style="text-indent:36.0pt"><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial">COPY$TMPTABLE FROM '$TMPFILE';</span></font><p class="MsoNormal"><font
face="Arial"size="2"><span style="font-size:10.0pt; 
font-family:Arial"> </span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">I’ve tried creating an index and doing a reindex on the temp table because the select to no
avail.</span></font><pclass="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt; 
font-family:Arial"> </span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">Any help would be great – I’ve “fixed” it at the moment by commenting the ORDER BY clause, but it
wouldbe nice to have it sorted properly, and also in case it happens in any other tables.</span></font><p
class="MsoNormal"><fontface="Arial" size="2"><span style="font-size:10.0pt; 
font-family:Arial">Thanks,</span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">-p</span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial"> </span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">Phillip Smith<br /> IT Coordinator<br /> Weatherbeeta P/L<br /></span></font><font face="Arial"
size="2"><spanstyle="font-size:10.0pt;font-family: Arial">8 Moncrief Rd</span></font><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial"><br/> Nunawading, VIC, 3131<br /></span></font><font face="Arial"
size="2"><spanstyle="font-size:10.0pt;font-family: Arial">AUSTRALIA</span></font><font face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial"><br />  <br /> E. <a
href="mailto:phillips@weatherbeeta.com.au">phillips@weatherbeeta.com.au</a></span></font><pclass="MsoNormal"><font
face="TimesNew Roman" size="3"><span style="font-size: 
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Re: could not find pathkey item to sort

From
Tom Lane
Date:
"Phillip Smith" <phillips@weatherbeeta.com.au> writes:
> Since upgrading to PG 8.2, I'm getting this error on a nightly (bash)
> script
> ERROR: could not find pathkey item to sort

I think this is a variant manifestation of the same bug already reported
here:
http://archives.postgresql.org/pgsql-hackers/2006-12/msg00284.php
and fixed here:
http://archives.postgresql.org/pgsql-committers/2006-12/msg00056.php

Leastwise, it went away for me after applying that patch ...
        regards, tom lane