Re: [xsl] XQuery/XPath 3.1: Node List to Node Set ("distinct nodes")

["Martin Honnen martin.honnen@xxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

On 29.12.2021 19:27, Martin Honnen martin.honnen@xxxxxx wrote:

> It seems, on the other hand, eXide of eXist-db in the online version
> doesn't even grok some of the generate-id based attempts:
>
> let $nodes := (1 to 10) ! parse-xml-fragment('<node>' || . ||
> '</node>')/node(),
>  B B B  $nodes := (1 to 5) ! $nodes,
>  B B B  $ids := distinct-values($nodes ! generate-id(.))
> returnB  $ids ! (function($id) {$nodes[generate-id(.) eq $id][1]})(.)
>
> gives <node>1</node>

So

let $nodes := (1 to 10) ! parse-xml-fragment('<node>' || . ||
'</node>')/node(),
    $all-ids := $nodes ! generate-id(.)
return  $all-ids

gives a sequence of ten "N1" values in eXist-db. Hmm.