Re: PostgreSQL vs SQL/XML Standards

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От Alvaro Herrera
Тема Re: PostgreSQL vs SQL/XML Standards
Дата
Msg-id 20190308143106.GA28312@alvherre.pgsql
обсуждение исходный текст
Ответ на Re: PostgreSQL vs SQL/XML Standards  (Pavel Stehule <pavel.stehule@gmail.com>)
Ответы Re: PostgreSQL vs SQL/XML Standards
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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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