taoyou

xquery version "3.1";

declare function local:get_facet ($books as element()*, $path as xs:string ) as element()?
{
  <binding>{
   
    
  for $book in $books 
    let $fld := $book/*[name()=$path]
    group by $f := $fld

taoyou

xquery version "3.1";

declare function local:get_facet ($books as element()*, $path as xs:string, $facet_type as xs:string ) as element()?
{
 <facet type="{$facet_type}">{  
  for $book in $books 
    let $fld := $book/*[name()=$path]
    group by $f := $fld 
    order by $f descending
    return element {$facet_type} {attribute v {$f}, attribute number {fn:count($book)} }

taoyou

xquery version "3.1";

declare function local:get_facet ($books as element()*, $path as xs:string, $facet_type as xs:string ) as element()?
{
 <facet type="{$facet_type}">{  
  for $book in $books 
    let $fld := 
      let $vars := map{ '': document{$book} }
      let $query :=  "declare namespace tei = 'http://www.tei-c.org/ns/1.0'; " || $path
      return xquery:eval($query, $vars )

taoyou

xquery version "3.1";

for $doc in fn:collection("books")/full-text
let $keys := fn:tokenize( fn:base-uri($doc), "/")[4]

for $key in $keys
return fn:collection("books")//key