Re: [bdbxml] Cross Query Performance Issues

> After a quick look, the 'join' that might be causing the problem is:
>
> $ref/@swissprot_accession_number =3D $y/accession
>
> you have string equality on both the attribute  and node which looks good=
 ( i think because i'm no XQuery guru )
> but maybe the values have to be cast to string so the index is used.

Ok, could you tell me how to do that in XQuery exactly?
>
> Or maybe no cross-container optimizations are done ???
>
Could someone from Sleepycat confirm that this could be *specifically*
due to lack of cross container optimisations which have not been
incorporated so far in DB XML.

Thanks
Deepak


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