Hello! It's very simple to do. Sedna has special internal command that
shows all the information about indexes without scanning them.
For example:
test> *create index "testind" on doc("test")/mediawiki/namespaces/namespace
by @key as xs:string &*
UPDATE is executed successfully
test> *doc("$indexes") &*
<indexes>
<index name="testind" backend="btree" as_type="xs:string"
on_path="child::element(mediawiki)/child::element(namespaces)/child::element(namespace)"
by_path="attribute::attribute(key)" object_name="test"
object_type="document"/>
</indexes>
Best regards, Borisenko Oleg, Sedna team.
On Mon, Jan 7, 2013 at 6:17 PM, Robby Pelssers <[email protected]>wrote:
> Hi all,
>
> I was wondering if Sedna also has some functionality available to just
> read all keys from an index. So far I could only find the index-scan() in
> the docs which I already heavily use but this time I only want a set of
> keys.
>
> My use case is that I have indexes per collection for all logical document
> indentifiers. Ideally I'd want to use the index to retrieve the list of
> those identifiers by only using the index. As Sedna has this info stored
> (in my context), it would be great to get hold of it.
>
> So is it possible in some way?
>
> Robby
>
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