File: xmp-queries-results-q10.xq

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qtxmlpatterns-opensource-src 5.15.15-2
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(: insert-start :)
declare variable $input-context external;
(: insert-end :)

<results>
  {
    let $doc := $input-context
    for $t in distinct-values($doc//book/title)
    let $p := $doc//book[title = $t]/price
    return
      <minprice title="{ $t }">
        <price>{ min($p) }</price>
      </minprice>
  }
</results>