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| <h1 class="title">Support for XSD Datatype and XQuery/Xpath Functions and Operations.</h1> |
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| <ul> |
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| <ul> |
| <li> |
| <ul> |
| <li><a href="#fo-functions-not-currently-supported">F&O Functions not currently supported:</a></li> |
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| <article class="flex-column me-lg-4"> |
| <p>ARQ supports the functions and operators from “<a href="https://www.w3.org/TR/xpath-functions-3/">XQuery 1.0 and XPath 2.0 Functions and Operators v3.1</a>”.</p> |
| <p>ARQ supports all the XSD atomic datatypes.</p> |
| <p>The prefix <code>fn</code> is <code><http://www.w3.org/2005/xpath-functions#></code> (the |
| XPath and XQuery function namespace).</p> |
| <p>The prefix <code>math</code> is <code><http://www.w3.org/2005/xpath-functions/math#></code></p> |
| <p>To check the exact registrations for a specific version, see |
| <tt><a href="https://github.com/apache/jena/blob/main/jena-arq/src/main/java/org/apache/jena/sparql/function/StandardFunctions.java">function/StandardFunctions.java</a></tt> |
| in the source code for that version.</p> |
| <p>The supported datatypes (including those required by SPARQL 1.1), including |
| full operator support, are the XSD atomic datatypes except for XML-related |
| ones. Sequences are not supported.</p> |
| <p><code>xsd:string</code>, <code>xsd:boolean</code>, |
| <code>xsd:decimal</code>, <code>xsd:integer</code>, <code>xsd:double</code>, <code>xsd:float</code>, <code>xsd:double</code></p> |
| <p><code>xsd:long</code>, <code>xsd:int</code>, <code>xsd:short</code>, <code>xsd:byte</code>, |
| <code>xsd:nonPositiveInteger</code>, <code>xsd:negativeInteger</code>, |
| <code>xsd:nonNegativeInteger</code>, <code>xsd:positiveInteger</code>, |
| <code>xsd:unsignedLong</code>, <code>xsd:unsignedInt</code>, <code>xsd:unsignedShort</code></p> |
| <p><code>xsd:duration</code>, <code>xsd:dayTimeDuration</code>, <code>xsd:yearMonthDuration</code></p> |
| <p><code>xsd:anyURI</code></p> |
| <p><code>xsd:dateTime</code>, <code>xsd:dateTimeStamp</code>, <code>xsd:date</code>, <code>xsd:time</code> |
| <code>xsd:gYear</code>, <code>xsd:gYearMonth</code>, <code>xsd:gMonth</code>, <code>xsd:gMonthDay</code>, <code>xsd:gDay</code></p> |
| <p>Functions on atomic types not currently supported are list below (but check |
| for later additions).</p> |
| <p>Supported functions:</p> |
| <p><code>fn:concat</code>, <code>fn:substring</code>, <code>fn:string-length</code>, |
| <code>fn:upper-case</code>, <code>fn:lower-case</code>, <code>fn:contains</code>, <code>fn:starts-with</code>, <code>fn:ends-with</code>, |
| <code>fn:substring-before</code>, <code>fn:substring-after</code>, <code>fn:matches</code>, <code>fn:replace</code>, |
| <code>fn:abs</code>, <code>fn:ceiling</code>, <code>fn:floor</code>, <code>fn:round</code>, |
| <code>fn:encode-for-uri</code>,</p> |
| <p><code>fn:year-from-dateTime</code>, <code>fn:month-from-dateTime</code>, <code>fn:day-from-dateTime</code>, |
| <code>fn:hours-from-dateTime</code>, <code>fn:minutes-from-dateTime</code>, <code>fn:seconds-from-dateTime</code>, |
| <code>fn:timezone-from-dateTime</code>, |
| <code>fn:years-from-duration</code>, <code>fn:months-from-duration</code>, |
| <code>fn:days-from-duration</code>, <code>fn:hours-from-duration</code>, |
| <code>fn:minutes-from-duration</code>, <code>fn:seconds-from-duration</code>,</p> |
| <p><code>fn:boolean</code>, <code>fn:not</code>, |
| <code>fn:normalize-space</code>, <code>fn:normalize-unicode</code>, |
| <code>fn:format-number</code>, |
| <code>fn:round-half-to-even</code>,</p> |
| <p><code>math:pi</code>, <code>math:exp</code>, <code>math:exp10</code>, <code>math:log</code>, <code>math:log10</code>, <code>math:pow</code>, <code>math:sqrt</code>, |
| <code>math:sin</code>, <code>math:cos</code>, <code>math:tan</code>, <code>math:asin</code>, <code>math:acos</code>, <code>math:atan</code>, <code>math:atan2</code></p> |
| <h4 id="fo-functions-not-currently-supported">F&O Functions not currently supported:</h4> |
| <p><code>fn:format-dateTime</code>, |
| <code>fn:format-date</code>, |
| <code>fn:format-time</code>.</p> |
| |
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| <li><a href="#fo-functions-not-currently-supported">F&O Functions not currently supported:</a></li> |
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