Thank Paul,
I try to do this.
Eric
2007/11/5, Paul Austin <[EMAIL PROTECTED]>:
>
> You'll have to write your own plug-in to do this. It''ll have the
> following steps
>
>
> 1. Create a FeatureSchema definition for all the columns
> 2. Create a java.util.Map with the key being the ID column and the
> value being a Feature instance
> 3. Open your three data sources in turn and loop through the
> features from each source. Look up a feature instance in the map from #2 if
> one doesn't exists create it and add it to the map. Set the attributes from
> the feature from the data source on the merged feature in the map
> 4. When all features are loaded you should have all the data merged.
> Now create a feature collection for all the values in the map and add a
> layer for it.
>
> Paul
>
> Eric Lemesre wrote:
>
> I can create a view only if i have some right in the database.
> And it is not necessary the case.
>
> It is dangerous in verry big compagny.
> At this time i have only read rigth in some Database.
>
> Eric
>
> 2007/11/4, Paul Austin <[EMAIL PROTECTED]>:
> >
> > Layers are tied to a feature collection and all features must share the
> > same schema.
> >
> > If you create custom Java code to load the date from each of those
> > sources and populate the feature collection with that data then there is no
> > reason why you couldn't do what you want. But there is nothing out of the
> > box to do this.
> >
> > What is the use case behind getting the attributes from many places? If
> > the geometry and attributes are in a shape file why not load these into one
> > of the databases then you can create a view of the tables and load that into
> > JUMP?
> >
> > Paul
> >
> > Eric Lemesre wrote:
> >
> > Hi,
> >
> > It possible to have more than one datasource by layer?
> >
> > 1 for Geo datasource (a data source for the géometry)
> > 1..n data source for attributes
> > Exemple :
> > * shapeFile for the geometry
> > * a flat CSV file for some attribute
> > * MysQL database for some other
> > * PostgreSQL database for some others.
> >
> > Eric
> >
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