On tis, 2010-01-05 at 10:14 -0800, Scott Bailey wrote: > One of the problem with shredding XML is that it is very kludgy to get a > scalar value back from xpath. The xpath function always returns an array > of XML. So for example, to extract a numeric value you need to: > 1) use xpath to get the node > 2) get the first element of the XML array > 3) cast that to varchar > 4) cast that to numeric
There has been talk about adding something like xpath_string, xpath_number, xpath_boolean for fetching xpath expressions that don't return nodesets. I think that would fit your use case. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
