Description
The functx:non-distinct-values function returns any values that appear more than once in a list, based on typed value. All the values must have comparable types, or be untyped.
Arguments and Return Type| Name | Type | Description |
|---|
$seq |
xs:anyAtomicType* |
the sequence of values |
| return value |
xs:anyAtomicType* |
XQuery Function Declaration| See XSLT definition. | | XQuery Syntax for January 2007 (1.0): |
|---|
declare namespace functx = "http://www.functx.com";
declare function functx:non-distinct-values
( $seq as xs:anyAtomicType* ) as xs:anyAtomicType* {
for $val in distinct-values($seq)
return $val[count($seq[. = $val]) > 1]
} ; | | XQuery Syntax for July 2004 - November 2005 (CR): |
|---|
declare namespace functx = "http://www.functx.com";
declare function functx:non-distinct-values
( $seq as xdt:anyAtomicType* ) as xdt:anyAtomicType* {
for $val in distinct-values($seq)
return $val[count($seq[. = $val]) > 1]
} ; | | XQuery Syntax for May 2003: |
|---|
declare namespace functx = "http://www.functx.com"
define function non-distinct-values
( $seq as xdt:anyAtomicType* ) as xdt:anyAtomicType* {
for $val in fn:distinct-values($seq)
return $val[fn:count($seq[. = $val]) > 1]
} |
Examples| XQuery Example | Results |
|---|
functx:non-distinct-values( (1,2,1,3))
|
1
|
functx:non-distinct-values( (1,2,1,3,2.0))
|
(1, 2)
|
functx:non-distinct-values( (1,2,3) )
|
()
|
See AlsoHistory |
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