Is there any TODO here? ---------------------------------------------------------------------------
Tom Lane wrote: > "Enrico Sirola" <[EMAIL PROTECTED]> writes: > > -- bad > > select xpath('name(/my:a/*[last()])', test, ARRAY[ARRAY['my', > > 'http://myns.com/ns']]) from test; > > You could barely swat a fly with what I know about XPath ... but I'm > thinking that the culprit here is the crock at lines 3254-3288 of > xml.c, which explains itself thus: > > /* > * To handle both documents and fragments, regardless of the fact whether > * the XML datum has a single root (XML well-formedness), we wrap the XML > * datum in a dummy element (<x>...</x>) and extend the XPath expression > * accordingly. To do it, throw away the XML prolog, if any. > */ > > This code prefixes the given path expression with "/x", which of course > is going to break any expression that starts with a function name. It > would have to stick the /x inside the function argument to have any > chance of working. In general, I think this has zero chance of working > without implementing a pretty complete XPath parser. We need to find > another way. > > regards, tom lane > > -- > Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-bugs -- Bruce Momjian <[EMAIL PROTECTED]> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. + -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs