| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | Chapman Flack <chap(at)anastigmatix(dot)net>, Markus Winand <markus(dot)winand(at)winand(dot)at>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: PostgreSQL vs SQL/XML Standards |
| Date: | 2019-03-08 14:31:06 |
| Message-ID: | 20190308143106.GA28312@alvherre.pgsql |
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| Lists: | pgsql-hackers |
On 2019-Mar-08, Pavel Stehule wrote:
> looks like error in xmlXPathCompiledEval function, that produce little bit
> broken result for XML_DOCUMENT_NODE type. I hadn't this problem with
> libxml2 2.7.6 64bit, but I seen this issue on same version on 32bit.
>
> Currently I had not fresh 32 bit system to check it.
>
> I found a workaround - in this case copy (and release xmlNode) is not
> necessary.
Hmm ... going over the libxml2 2.7.6 source, I noticed that
xmlFreeNodeList seem to get this right -- it uses xmlFreeDoc for
XML_DOCUMENT_NODE. Maybe a sufficient answer is to change the
xmlFreeNode there to xmlFreeNodeList.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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