On tis, 2011-05-31 at 16:19 +0200, Florian Pflug wrote: > If people deem this to be a problem, we could instead add a separate > function XPATH_VALUE() that returns VARCHAR, and make people use that > for scalar-value-returning expressions.
Why not replicate what contrib/xml2 provides, namely xpath_string() xpath_number() xpath_bool() That way, types are preserved. > However, to avoid confusion, > XPATH() should then be taught to raise an error if used for > scalar-value > returning expressions, instead of silently returning an empty array as > it does now. Sounds reasonable. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
