On Sun, Oct 16, 2011 at 8:51 PM, Jody Garnett <jody.garn...@gmail.com>wrote:
> Filling in the docs example for isNil:
>
> // previous example tested if approved equals "null"
> filter = ff.isNull(ff.property("approved"));
>
> // this example checks if approved exists at all
> filter = ff.isNil(ff.property("approved"),"no approval available");
>
> The second parameter; nilReason - I don't think it can be supplied as part
> of the query? Instead I think it is supplied by the backing datastore?
> Perhaps it was unable to find a suitable join target ...
>
Yeah, that is sort of how i interpreted it in the end...
> Basically I viewed this as a second return value for the expression.
>
Yeah... i would say just leave it on the data structure for now and not
really do anything with it.
>
>
> --
> Jody Garnett
>
>
--
Justin Deoliveira
OpenGeo - http://opengeo.org
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