Changes

==xquery:eval==

{| width='100%'

* {{Code|xquery:eval("1+3")}} returns {{Code|4}}.<br />

* If a URI is supplied, the query in the specified file will be evaluated:

xquery:eval(xs:anyURI('cleanup.xq'))

* You can bind the context and e.g. operate on a certain database only:<br />

xquery:eval("//country", map { '': db:open('factbook') })

* The following expressions use strings as keys. All of them return 'XML':<br/>

xquery:eval(".", map { '': 'XML' }),

map { '{URI}xml': 'XML' }

)

* The following expressions use QNames as keys. All of them return 'XML':<br/>

declare namespace pref = 'URI';

let $vars := map { xs:QName('pref:xml'): 'XML' }

return xquery:eval($query, $vars)

|}

==xquery:eval-update==

{| width='100%'

|

* Removes entries from a temporary databases and returns an info string:

xquery:eval-update("

delete node db:open('tmp')/*,

update:output('TEMPORARY DATABASE WAS CLEANED UP')

")

|}

|

* {{Code|xquery:parse("1 + 3")}} returns:

<MainModule updating="false">

<QueryPlan compiled="false">

</QueryPlan>

</MainModule>

|}

|

* The following function sleeps in parallel; it will be finished in 1 second if your system has at least 2 cores:

let $f := function() { prof:sleep(1000) }

return xquery:fork-join(($f, $f))

* In the following query, up to four URLs will be requested in parallel:

xquery:fork-join(

for $segment in 1 to 4

return function() { http:send-request((), $url) }

)

|-

|'''Errors'''