A node can be dragged and dropped in the editor area for quickly inserting XQuery expressions.
For the following XML documents:
<movies> <movie id="1"> <title>The Green Mile</title> <year>1999</year> </movie> <movie id="2"> <title>Taxi Driver</title> <year>1976</year> </movie> </movies>
and
<reviews> <review id="100" movie-id="1"> <rating>5</rating> <comment>It is made after a great Stephen King book. </comment> <author>Paul</author> </review> <review id="101" movie-id="1"> <rating>3</rating> <comment>Tom Hanks does a really nice acting.</comment> <author>Beatrice</author> </review> <review id="104" movie-id="2"> <rating>4</rating> <comment>Robert De Niro is my favorite actor.</comment> <author>Maria</author> </review> </reviews>
and the following XQuery:
let $review := doc("reviews.xml") for $movie in doc("movies.xml")/movies/movie let $movie-id := $movie/@id return <movie id="{$movie/@id}"> {$movie/title} {$movie/year} <maxRating> { } </maxRating> </movie>
if you drag the review element and drop it between the braces a popup menu will be displayed.
Select FLWOR rating and the result document will be: