XQuery/Registered Modules

Motivation

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You want to check to see if an module is loaded in your runtime systems.

Method

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Some modules that you may need are not loaded into the runtime engine when the server starts. If this is the case you may have to dynamically load a module.

Listing current modules in the runtime

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xquery version "1.0";
 
let $modules := util:registered-modules()
return
<results>{
   for $module in $modules
   order by $module
   return
      <module>{ $module}</module>
   }
</results>

Run

Sample Results

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<results>
    <module>http://exist-db.org/xquery/compression</module>
    <module>http://exist-db.org/xquery/datetime</module>
    <module>http://exist-db.org/xquery/examples</module>
    <module>http://exist-db.org/xquery/file</module>
    <module>http://exist-db.org/xquery/httpclient</module>
    <module>http://exist-db.org/xquery/image</module>
    <module>http://exist-db.org/xquery/mail</module>
    <module>http://exist-db.org/xquery/math</module>
    <module>http://exist-db.org/xquery/ngram</module>
    <module>http://exist-db.org/xquery/request</module>
    <module>http://exist-db.org/xquery/response</module>
    <module>http://exist-db.org/xquery/scheduler</module>
    <module>http://exist-db.org/xquery/session</module>
    <module>http://exist-db.org/xquery/sql</module>
    <module>http://exist-db.org/xquery/system</module>
    <module>http://exist-db.org/xquery/text</module>
    <module>http://exist-db.org/xquery/transform</module>
    <module>http://exist-db.org/xquery/util</module>
    <module>http://exist-db.org/xquery/validation</module>
    <module>http://exist-db.org/xquery/xmldb</module>
    <module>http://exist-db.org/xquery/xmldiff</module>
    <module>http://www.w3.org/2005/xpath-functions</module>
</results>