Am Wednesday, 6. August 2008 schrieb erithema:> > SELECT id_autori , xpath ('/Authority/Nome', testo) > FROM autori > WHERE xpath_bool('/Authority[Nome="ABELARDO"]', testo) ; > > I get this error: > ERROR : the function xpath_bool(unknown , xml) do not exsist at character > 69 HINT: no function matches the given name and argument types. You might > need to add explicit type casts The xpath_bool function takes its XML data as type text. The new xpath() function uses the XML type. Those are two different sets of functions.