> Indexing
> --------
> Because XML documents are stored as text, full-text indexing tool
> /contrib/tsearch2 can be used to index XML documents. Of
> course, the searches are text searches, with no XML
> awareness, but tsearch2 can be used with other XML
> capabilities to dramatically reduce the amount of data
> processed at the XML level.
You can also use a functional index and /contrib/xml2 to do limited
XPath indexing. (Can't make it "subtree-aware" for example, unless you
are willing to change your queries, but you can index specific xpath
nodes).
//Magnus
