Wow Hannu - your list puts mine to shame!
> "Application server support"
> ----------------------------
> * better XML integration
>
> - XML(*) aggregate function returning XML representation of subquery
>
> - XML input/output to/from tables
>
> - XML searchable/indexable in fields)
I've had thoughts about XML too. Since XML is hierachical, imagine being
able to index xml using contrib/ltree or something!
ie. We create a new 'xml' column type.
We create a new indexing scheme for it based on ltree & gist.
You index the xml column.
Then you can do sort of XPath queries:
SELECT * FROM requests WHERE xml_xpath('/request/owner/name', datafield) =
'Bob';
And it would be indexed. Imaging being able to pull up all XML documents
that had certain properties, etc.
MS-SQL has a SELECT ... FOR XML clause, but we could always just create
function called xml_select() or something now that we can return recordsets.
Chris
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