Code examples for article http://developer.marklogic.com/blog/xpath-punctuation-part-2

ex01.xqy

declare variable $doc := document {
  <groups>
    <group>
      <item>first item</item>
      <item>second item</item>
    </group>
    <group>
      <item>third item</item>
      <item>fourth item</item>
    </group>
  </groups>
};

ex02.xqy

$doc/groups/group/item

ex03.xqy

$doc/groups/group/item/substring-before(.,' item')

ex04.xqy

$doc/groups/group/item/substring-before(.,' item')/upper-case(.) (:illegal:)

ex05.xqy

for $str in $doc/groups/group/item/substring-before(.,' item')
return upper-case($str)

ex06.xqy

(1 to 3)/concat('#',.)

ex07.xqy

for $n in (1 to 3) return concat('#',$n)

ex08.xqy

$doc/groups/group/item/(., string(.))    (:illegal:)

ex09.xqy

for $item in $doc/groups/group/item return ($item, string($item))

ex10.xqy

$doc/groups/group/item

ex11.xqy

for $step1 in $doc return                     (: $step1 bound once :)
  for $step2 in $step1/groups return          (: $step2 bound once :)
    for $step3 in $step2/group return         (: $step3 bound twice :)
      for $step4 in $step3/item return $step4 (: $step4 bound four times :)

ex12.xqy

($doc/groups/group[2],
 $doc/groups/group[1],
 $doc/groups/group[1])

ex13.xqy

($doc/groups/group[2],
 $doc/groups/group[1],
 $doc/groups/group[1])/.

ex14.xqy

$doc/groups/group/item/(<result>{string(.)}</result>)

ex15.xqy

xdmp:xslt-invoke("create-docs.xsl",$doc)/xdmp:document-insert(base-uri(.),.)

ex16.xqy

(fn:root(self::node()) treat as document-node())

ex17.xqy

(fn:root(self::node()) treat as document-node())/

ex18.xqy

xquery version "1.0";
/foo

ex19.xqy

xquery version "1.0-ml";
/foo

ex20.xqy

$doc/groups/group/item/(/)