less required ADQL support [TAP-1.1]

[Walter Landry]

Patrick Dowler <patrick.dowler at nrc-cnrc.gc.ca> wrote:
> 
> In Sesto we discussed the possibility of TAP services providing tables
> in non-SQL engines and how we could accommodate that. The couple of
> things we agreed to explore was how to relax "ADQL required" to just
> say that tap services must support ADQL queries of the TAP_SCHEMA
> tables.
> 
> The goal/implication is that other tables could be provided which can
> be queried by ADQL and/or some other languages... but the idea to open
> up TAP to non-SQL type systems is to make it so they don't have to
> support ADQL for all tables.

Can you give examples of what these non-ADQL queries would look like?

Thanks,
Walter Landry