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[XQuery Talk Mailing List Archive Home] [By Date] [By Thread] [By Subject] [By Author] [Recent Entries] [Reply To This Message] distinct-values in Where ClausesFlorent Georges lists at fgeorges.orgThu Jan 17 17:04:55 PST 2008
 "Wei, Alice J." wrote:
Hi
> <text>{
> for $find in doc("resume.xml")//div,
> $note in $find/note,
> $head in $find/head,
> $desc in $find/p
> where
> distinct-values((contains($desc,$text)) or (contains($note,$text)) or
> (contains($head,$text)))
> return
> <div>
> <head>{data($head)}</head>
> <p>{data($desc)}</p>
> <note>{data($note)}</note>
> </div>
> }
> </text>
> The query itself is functional, but the problem is that even though
> my distinct-values function has been set, there are still duplicates.
The distinct-values is evaluated within the where clause,
so for each div independently. It is not clear to me what
the distinct-values should be about. If it is on the div
itself, you can use something like that (but I doubt this
would be on the div itself):
<text> {
doc("resume.xml")/distinct-values(
//div[
contains(note, $text)
or contains(head, $text)
or contains(p, $text)
]
)/
<div>
<head>{ data($head) }</head>
<p>{ data($desc) }</p>
<note>{ data($note) }</note>
</div>
}
</text>
If you told us what you want too achieve (for instance
with a simple example of what you mean is duplicate), we
would help you better.
Regards,
--drkm
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