I think it is essential that ADQL support the use of *both* UCDs and column
names. It'll be up to the query interface to substitute column names (by
asking the user probably) where UCDs are not uniquely resolvable.
Cheers,
Tony.
> -----Original Message-----
> From: owner-voql-at-eso.org [mailto:owner-voql-at-eso.org] On
> Behalf Of Roy Williams
> Sent: 07 October 2003 15:50
> To: Clive Page; voql
> Subject: Re: A Working document has been submitted
>
>
> > Region ('CIRCLE J2000 19.5 -36.7 0.02')
>
> I have a question in the same style. I would like to start
> using the UCD ontology within VOQL. I am imagining metadata
> queries like
>
> select table where UCDMatch(table, "phys.velocity, src.galaxy") > 0.8
>
> in order to find tables that have galactic velocities. Can
> VOQL be extended in this way?
>
> Roy
>
Received on 2003-10-07Z19:18:49