SOS eventTime apparently not working

[Kralidis,Tom [Burlington]]

> 
> > What does your underlying data connection look like?  Any 
> chance you 
> > can wrap up a test case (.map file and small sample data?)
> 
> The underlying data is in postgis.  I have created a simple 
> csv via ogr test case here.  Untar into /tmp to keep the 
> pathnames in sync.
> 
> http://your.box.here/cgi-bin/mapserv?map=/tmp/madis_tst.map&se
> rvice=sos&requ
> est=GetObservation&version=0.1.2&offering=ndbc_44029&responseF
> ormat=text/xml
> ;%20subtype=om/0.14.7&observedProperty=http://marinemetadata.o
> rg/cf%23air_pr
> essure_at_sea_level&eventTime=<gml:TimePeriod><gml:beginPositi
> on>1990-01-01<
> /gml:beginPosition><gml:endPosition>1990-02-01</gml:endPositio
> n></gml:TimePe
> riod>
> 
> That shouldn't return any hits, but it does.
> 

I'm able to reproduce the issue.  I've opened a ticket at
http://trac.osgeo.org/mapserver/ticket/2154