[mapguide-users] View on Oracle Express

Wed Sep 8 00:39:30 EDT 2010

also remember that mapguide caches the schema info,
so once you have accessed a schema, mapguide won't read the
schema until that cache expires... so no changes will show up

you can flush the cache by simply opening and saving the feature
source defintion

z

On Wed, Sep 8, 2010 at 2:30 PM, VOLZ Mark (FN) <Mark.Volz at ergon.com.au> wrote:
> Francesco,
>
> That all seems very strange (that it is working on tables but not
> views). Are you changing the geometry in anyway in your views? i.e. are
> you using any of cs_transform, aggr, sdo functions/procedures, custom
> packages/functions/procedures, etc? certain ones will null and void your
> index.
>
> Are the entries in your user_sdo_geom_metadata for your views exactly
> the same as the ones for the tables i.e. you haven't changed accuracies
> or x & y column names.
>
> Have your tried running a sdo_relate query on your view, shown below (it
> will test the above questions)?
> Select *
> >From xe.view v
> Where sdo_relate (v.geomtry_column,
> sdo_geometry(2003,8311,null,sdo_elem_info_array(1,1003,3),sdo_ordinate_a
> rray(145.683622,-16.88905,145.6925,-16.880274)), 'mask=ANYINTERACT') =
> 'TRUE';
>
> Unless you are in Australia that code shouldn't return any records but
> it will test that your view supports spatial queries (its actually a
> snippet of sql that Mapguide sent to our database about 5 minutes ago).
>
> Have you tried materialized view?
>
> How did you add the primary key to the view? Did you use a statement
> similar to this after creating the view;?
> ALTER VIEW XE.VIEW ADD (
>  CONSTRAINT VIEW_PK
>  PRIMARY KEY
>  (column_name) DISABLE);
>
>
> Sorry if I am asking you to check simple things but I had similar
> problems getting my oracle setup going so I'm just running through all
> the different problems I ran into using views in XE and mapguide.
>
> Mark.
>
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Francesco
> Sozzi
> Sent: Tuesday, 7 September 2010 5:42 PM
> To: MapGuide Users Mail List
> Subject: Re: [mapguide-users] View on Oracle Express
>
> Hi Mark,
>
> Thanks for answer.
>
> I confirm primary key and spatial index for both tables and views.
> On Oracle Express I manage small data. Tablespaces are smaller that
> 100MB.
> I tried to drop and recreate all keys and spatial index. Oracle did the
> job with no warnings or errors, so I am sure all index are ok.
>
> For the moment my workaround is to create side tables with the content
> of views, a sort of snapshots on views I need to publish data. With
> these tables (populated with data from views) MG works as expected.
> Please note that I need views (or these "side" tables) to show joined
> data in the property panel.
>
> Best regard
>
> Francesco
>
>
> ----- Original Message -----
> From: "VOLZ Mark (FN)" <Mark.Volz at ergon.com.au>
> To: "MapGuide Users Mail List" <mapguide-users at lists.osgeo.org>
> Sent: Monday, September 06, 2010 8:00 PM
> Subject: RE: [mapguide-users] View on Oracle Express
>
>
> Francesco,
>
> Can you confirm that the geometry columns (in the underlying table(s))
> you
> are trying to use in the views have a spatial index built on them?
>
> The second thing to look at is the size of the database. A spatial index
>
> takes up table space so if you have a data set of about 4.5gb and then
> try
> and build a spatial index it will fail due to the size restriction on
> XE.
> This may be why the imported schema works in Standard/enterprise but not
> in
> XE.
>
> Mapguide always sends a spatial query when querying the data from oracle
>
> (which will fail if you don't have a spatial index), Autocad map doesn't
>
> always do this.
>
> Mark
>
>
>
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Zac Spitzer
> Sent: Tuesday, 7 September 2010 11:27 AM
> To: MapGuide Users Mail List
> Subject: Re: [mapguide-users] View on Oracle Express
>
> have you tried the latest king oracle provider?
>
> http://www.sl-king.com/fdooracle/
>
> Also it's always helpful to state versions of the various software
>
> z
>
> On Mon, Sep 6, 2010 at 10:38 PM, Francesco Sozzi <fsozzi at intercad.ch>
> wrote:
>> Hi All,
>>
>> I have an Oracle schema with views to render on Mapguide Open Source.
>> If I load this schema on an Oracle Standard or Enterprise, views are
>> rendered.
>> If I load on Mapguide from express, they are not rendered (I can
>> render the table with geometry field, but not the view).
>>
>> All views are in USER_SDO_GEOM_METADATA and all views have primary
> keys.
>> I can load and render on Autodesk Map from Oracle Express without
>> problems.
>> From Maestro I can see them in the list, if I try to create a layer,
>> but they are not rendered at all.
>>
>> Any idea or suggstions?....
>>
>> Best regards
>>
>> Francesco
>>
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>> http://lists.osgeo.org/mailman/listinfo/mapguide-users
>>
>>
>
>
>
> --
> Zac Spitzer
> Solution Architect / Director
> Ennoble Consultancy Australia
> http://www.ennoble.com.au
> http://zacster.blogspot.com
> +61 405 847 168
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>
>
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-- 
Zac Spitzer
Solution Architect / Director
Ennoble Consultancy Australia
http://www.ennoble.com.au
http://zacster.blogspot.com
+61 405 847 168