[mapguide-users] Does anyone use Feature Joins?

[Rodolfo Moreno]

Feature joins also have problem with dynamic theming.
I have posted a ticket for that ( http://trac.osgeo.org/mapguide/ticket/745)
In this ticket contains data attached data in order to replicate the error.

Cheers


Bruce Dechant wrote:
> 
> Thanks!
> 
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Andy Morsell
> Sent: Friday, December 12, 2008 10:54 AM
> To: 'MapGuide Users Mail List'
> Subject: RE: [mapguide-users] Does anyone use Feature Joins?
> 
> Bruce,
> I've added a new ticket.  It is http://trac.osgeo.org/mapguide/ticket/791
> 
> Andy
> 
> 
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Bruce Dechant
> Sent: Friday, December 12, 2008 8:53 AM
> To: MapGuide Users Mail List
> Subject: RE: [mapguide-users] Does anyone use Feature Joins?
> 
> Andy,
> 
> Would it be possible to create a new trac ticket for this and attach the
> data that replicates this issue? If not possible to attach the data -
> could
> you fully describe the join (primary, secondary, join type, what is
> indexed,
> any filtering, etc...)
> 
> Thanks,
> Bruce
> 
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Andy Morsell
> Sent: Friday, December 12, 2008 9:23 AM
> To: 'MapGuide Users Mail List'
> Subject: RE: [mapguide-users] Does anyone use Feature Joins?
> 
> I have encountered very similar problems with almost every join I have
> attempted in MGOS or MGE.  My most recent experience was for a class that
> I
> taught at AU where a polygon SDF file is joined to a small Access
> database.
> Both MGE 2009 and MGOS 2.0.2 just spin on this join with the a CPU maxed
> anytime the layer is accessed.  I will let it spin for a couple of minutes
> and then end the process.  The crazy thing is that I know for a fact that
> this exact join worked just fine in MGE 2008 / MGOS 1.2 because I used the
> same dataset for the same class last year!
> 
> Andy Morsell, P.E.
> Spatial Integrators, Inc.
> www.SpatialGIS.com
> 
> 
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Jackie Ng
> Sent: Thursday, December 11, 2008 8:39 PM
> To: mapguide-users at lists.osgeo.org
> Subject: [mapguide-users] Does anyone use Feature Joins?
> 
> 
> Hi All,
> 
> I was wondering if anyone uses this feature (pardon the pun).
> 
> When I first started with MapGuide, this was the feature that was of most
> interest to me as it seemed like an easy way to link spatial data with
> whatever non-spatial databases we have around.
> 
> But after many bad experiences with performance, and some really nasty
> join
> bugs (mainly http://trac.osgeo.org/mapguide/ticket/502), I've have totally
> shunned using feature joins, and either resorting to either pre-joining,
> baking the data and refreshing the dataset at regular intervals, or using
> a
> spatially enabled rdbms that does the joins at the dbms level.
> 
> I've have followed the best practices guide, but is seems every database I
> have encountered has its own set of quirks that don't play nice with
> MapGuide.
> 
> Most of our clients were sold on the feature joins capability (well by my
> sales colleagues anyway), and it pains me (as an implementer, one to has
> to
> deliver) to have to workaround this feature because it fails to perform at
> a
> satisfactory level.
> 
> I'd like to hear other people's experiences with feature joins. Is your
> experience better/worse?
> 
> - Jackie
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-----
Rodolfo Moreno
CivilEng

-- 
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