omni_xml extension is an XML toolkit that provides barebones
XML-related functionality. It is particularly useful when Postgres is
built without XML support or
Since Omnigres users may be using different builds of Postgres, we can't rely on the availability of XML support. This extension closes the gap.
It is not fully W3C-compliant
The underlying library providing XML/XPath functionality is not fully W3C-conformant.
In particular, support for the
namespace:: axis is unavailable.