Description
The functx:previous-day function takes a date and returns a date representing the previous day.
The $date argument must be castable to xs:date, meaning that it must have the type xs:date or xs:dateTime, or be an xs:string or untyped value of the form YYYY-MM-DD.
Arguments and Return Type| Name | Type | Description |
|---|
$date |
xs:anyAtomicType? |
the date |
| return value |
xs:date? |
XQuery Function Declaration| See XSLT definition. | | XQuery Syntax for January 2007 (1.0): |
|---|
declare namespace functx = "http://www.functx.com";
declare function functx:previous-day
( $date as xs:anyAtomicType? ) as xs:date? {
xs:date($date) - xs:dayTimeDuration('P1D')
} ; | | XQuery Syntax for July 2004 - November 2005 (CR): |
|---|
declare namespace functx = "http://www.functx.com";
declare function functx:previous-day
( $date as xdt:anyAtomicType? ) as xs:date? {
xs:date($date) - xdt:dayTimeDuration('P1D')
} ; | | XQuery Syntax for May 2003: |
|---|
declare namespace functx = "http://www.functx.com"
define function previous-day
( $date as xdt:anyAtomicType? ) as xs:date? {
xs:date($date) - xdt:dayTimeDuration('P1D')
} |
Examples| XQuery Example | Results |
|---|
functx:previous-day(xs:date('2004-01-23'))
|
2004-01-22
|
functx:previous-day(
xs:dateTime('2005-01-01T12:00:13'))
|
2004-12-31
|
See AlsoHistory |
|
