From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
Cc: | Daniel Gustafsson <daniel(at)yesql(dot)se>, Rick Vincent <rvincent(at)temenos(dot)com>, Herve Aubert <haubert(at)temenos(dot)com>, PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
Subject: | Re: BUG #15908: Xpath operations fail |
Date: | 2019-07-18 14:22:40 |
Message-ID: | 5496.1563459760@sss.pgh.pa.us |
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Lists: | pgsql-bugs |
Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
> čt 18. 7. 2019 v 15:06 odesílatel Daniel Gustafsson <daniel(at)yesql(dot)se>
> napsal:
>> I haven’t heard of anyone working on that, and it seems unlikely to happen
>> within the near future as few, if any, libraries support XPath 2.0 (or
>> later).
> Only XPath 1.0 is supported by libxml2. And this library is in permanent
> feature freeze mode :-(. Unfortunately, there is not any other library with
> friendly licence available for C language.
Not only that, but libxml2 is a rich source of security bugs. I wish
we could get rid of that dependency altogether. Unfortunately,
reimplementing our own xml and xpath functionality from scratch
seems like a large project :-(. I don't think there's anybody
with sufficient time and interest to do it.
regards, tom lane
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