[mapguide-users] SQL datetime trouble

Kenneth Skovhede, GEOGRAF A/S ks at geograf.dk
Tue Feb 3 02:40:34 EST 2009


I have found the FDO "TIMESTAMP" command to works for me:
"DateColumn" > TIMESTAMP '2009-01-30 23:25:00'

It might not work on all providers though.

Regards, Kenneth Skovhede, GEOGRAF A/S



Traian Stanev skrev:
>
>  
>
> This is more of a workaround than a solution to the problem, but... 
> You can try to make some expression that converts the date to a string 
> of the form YYYY-MM-DD and then write your filter as a string 
> comparison. You can compare dates in this format using simple string 
> comparisons (lexicographical order matches chronological order).
>
>  
>
>  
>
> Traian
>
>  
>
>  
>
> *From:* mapguide-users-bounces at lists.osgeo.org 
> [mailto:mapguide-users-bounces at lists.osgeo.org] *On Behalf Of *Darren 
> Karasiuk
> *Sent:* Monday, February 02, 2009 2:09 PM
> *To:* mapguide-users at lists.osgeo.org
> *Subject:* [mapguide-users] SQL datetime trouble
>
>  
>
> Hello, I've been trying to use MapGuide OS and have been able to show 
> a themed layer when I filter by the unique row id and equipment id. 
>  Instead of using row IDs, I need to filter the data by date and time 
> ranges.  So far, when ever I use a datetime field to filter, the 
> entire database is returned.  I assume if the filter isn't correct 
> then it's nulled and no filter gets applied, so that's why I get the 
> entire database.
>
>  
>
> Can anyone tell me the correct method of filtering a layer by a date 
> range, please?
>
> I've been using Map Guide Studio trial from Autodesk and tried many 
> different ways of filtering using ToDate() and Extract() with no luck.
>
> I couldn't find any filtering information with the FDO.
>
>  
>
> I'm using SQL Server 2008. The table has both lat and long fields as 
> well as its respective geospatial field.
>
>  
>
> Thanks for any help!
>
>  
>
> Darren
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>  
>
> ------------------------------------------------------------------------
>
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