cts:period-compare

cts:period-compare(
   $period-1 as cts:period,
   $operator as xs:string,
   $period-2 as cts:period
) as xs:boolean

Summary

Compares two periods using the specified comparison operator. Returns true if the two periods meet the operator conditions or false if they do not meet the conditions.

Parameters
period-1	The first period to compare.
operator	A comparison operator.
period-2	The second period to compare against the first.

Example

xquery version "1.0-ml";

let $period1 := cts:period(xs:dateTime("2000-05-31T09:30:10-08:00"),
                           xs:dateTime("2003-05-31T09:30:10-08:00"))

let $period2 := cts:period(xs:dateTime("2003-05-31T09:30:10-08:00"), 
                           xs:dateTime("2004-05-31T09:30:10-08:00"))

return cts:period-compare($period1,"aln_meets",$period2)

  => true