Re: [Geotools-gt2-users] Problem with getting fid for versioned-postgis

[gershwinou <ger...@gm...>]

Thanks Andrea,
The problem is that i don't get the feature from the featurestore. I get it
from somewhere else. So i have to find somehow which feature i have to
update in the datastore. Since all fields can have changed, my only key to
fetch the right feature is fid...
But something has become clear now... I guess i have to use some fidfilter,
get the feature and apply update... is that the right way?

however, since this is postgis versioned primary key is gid+revision,  if i
apply update i guess i will have the updated feature with the same revision,
right? but i want a new revision number, otherwise using versioning is
useless... so somehow i have to insert a new one with a gid that is the same
as the previous version of the feature... That is more complicated...


gersh

On 31/08/2007, Andrea Aime <aa...@op...> wrote:
>
> gershwinou ha scritto:
> > Hi all, i was on geoserver list but i think this is more a geotools
> > question:
> >
> > I am using postgis-versioning datastore, and this ok for now.
> > Issue:
> > - I parse myself some incoming featured (from kml format) and thanks to
> > the last build of geoserver, the kml contains the fid, so I know which
> > features are to be updated.
> > - I try to create features against the postgis schema. The problem is
> > that i can't set the fid (the method is protected). Is that a design
> > choice (from what i have read in the archive: yes)?
>
> When you create a feature you can set the FID, you do this when calling
> FeatureType.create(attributes, fid) to create the feature.
>
> Anyways, if you want to update a feature, you don't have to create a
> new one, but issue an update on the feature store. The fid will
> be disregarded when you're inserting a feature, a new one will be used.
> Hope this helps.
>
> Cheers
> Andrea
>