MarkLogic 12 EA 1 Product Documentation
sem:query-results-serialize

sem:query-results-serialize(
   $results as option,
   [$options as xs:string*]
) as query-results-serialize($results)

Summary

This function implements the W3C SPARQL Query Results format. Any value sequence returned by sem:sparql can be passed into this function. The result will be the W3C SPARQL Results format, in either XML or JSON format.

Parameters
results The results of calling a SPARQL query.
options One of 'xml' (default) or 'json'.

Example

xquery version "1.0-ml"; 
 
import module namespace sem = "http://marklogic.com/semantics" 
      at "/MarkLogic/semantics.xqy";
    
sem:query-results-serialize(sem:sparql('
    PREFIX foaf: <http://xmlns.com/foaf/0.1/>
    SELECT ?name WHERE { ?alum foaf:schoolHomepage <http://www.ucsb.edu/> .
                         ?alum foaf:knows ?person .
                         ?person foaf:name ?name }
'))

=>
  <sparql xmlns="http://www.w3.org/2005/sparql-results#">
    <head>
      <variable name="name">
      </variable>
    </head>
    <results>
      <result>
        <binding name="name">
           <literal datatype="http://www.w3.org/2001/XMLSchema#string">
            Karen Schouten
           </literal>
        </binding>
      </result>
      <result>
        <binding name="name">
           <literal datatype="http://www.w3.org/2001/XMLSchema#string">
           Nick Aster
           </literal>
        </binding>
      </result>
    </results>
  </sparql>
    
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