The following bug has been logged on the website:
Bug reference: 6395
Logged by: Franco Ricci
Email address: franco.ricci@phys.uniroma1.it
PostgreSQL version: 9.1.2
Operating system: FreeBSD 9
Description:=20=20=20=20=20=20=20=20
Query at bottom returns:
"ERROR: invalid XPath expression
DETAIL: Invalid expression
********** Error **********
ERROR: invalid XPath expression
SQL state: XX000
Detail: Invalid expression"
The same query on PostgreSQL 9.x works fine!
------
SELECT
xpath('/llrp:RO_ACCESS_REPORT/llrp:TagReportData/llrp:*[contains(name(),\"E=
PC\")]/llrp:EPC/text()',
'<llrp:RO_ACCESS_REPORT
xmlns:llrp=3D"http://www.llrp.org/ltk/schema/core/encoding/xml/1.0"
Version=3D"1" MessageID=3D"8">
<llrp:TagReportData>
<llrp:EPC_96>
<llrp:EPC>04954524D0004980B0DF0001</llrp:EPC>
</llrp:EPC_96>
<llrp:ROSpecID>
<llrp:ROSpecID>100</llrp:ROSpecID>
</llrp:ROSpecID>
</llrp:TagReportData>
</llrp:RO_ACCESS_REPORT>'::xml
, ARRAY[ARRAY['llrp',
'http://www.llrp.org/ltk/schema/core/encoding/xml/1.0']])
----------