On 3/4/07, Peter Schonefeld [EMAIL PROTECTED] wrote:
Hi, i'm having trouble getting xpath in Postgres 8.2 to recognise xml
namespaces...could someone please point me to a good reference for the xml2
lib?
This is FAQ-like question.
The thing is that XPath spec doesn't define any default mappings for
namespaces. It's considered as entirely user's problem -- he should
manually define namespaces mappings to use namespace prefixes in XPath
expressions.
If you use contrib/xml2 I'm afraid there is no way to use namespaces
in XPath w/o changing contib's code itself... To enable namespaces
using libxml2 one should use xmlXPathRegisterNs():
http://xmlsoft.org/html/libxml-xpathInternals.html#xmlXPathRegisterNs
I hope 8.3 will have XPath function with namespaces support in core.
--
Best regards,
Nikolay
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