SELECT xpath('/my:a/text()', 'test', ARRAY[ARRAY['my', 'http://example.com']]);
+
xpath
--------
{test}
table_to_xml maps the content of the named
table, passed as parameter
tbl. The
- regclass accepts strings identifying tables using the
+ regclass type accepts strings identifying tables using the
usual notation, including optional schema qualifications and
double quotes. query_to_xml executes the
query whose text is passed as parameter