On Thu, Sep 7, 2023 at 10:22 PM Tom Lane <t...@sss.pgh.pa.us> wrote:

> Erik Wienhold <e...@ewie.name> writes:
> > Looks like "Huge input lookup" as reported in [1] (also from Sai) and
> that
> > error is from libxml.
>
> Ah, thanks for the pointer.  It looks like for the DOCUMENT case,
> we could maybe relax this restriction by passing the XML_PARSE_HUGE
> option to xmlCtxtReadDoc().  However, there are things to worry about:
>

Just a remark from the sidelines, from someone having done a fair bit of
XML in years past.

That XPath is simple, and a streaming parser (SAX or StAX) could handle it.
While that
XML_PARSE_HUGE option probably applies to a DOM parser. So is there a
work-around
to somehow force using a streaming parser instead of one that must produce
the whole Document,
just so a few elements are picked out of it? FWIW. --DD

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