separating TAP and query languages

[Arnold Rots]

While you're at it, could you correct the spelling of STC-S?
It's a dash, not a slash.
It's an old request, but somehow, this never got corrected...

Thanks,

  - Arnold

Patrick Dowler wrote:
[ Charset ISO-8859-1 unsupported, converting... ]
> 
> I took a quick stab at separating the param query language from the TAP spec 
> and I think the result is quite clean and encouraging. I tried with normative 
> text and examples to show how PQL would be used in TAP. There are some loose 
> ends remaining but it is workable and gives more or less the same actual 
> interface that TAP 0.31 described. 
> 
> The main change is that REQUEST no longer distinguishes the query language: 
> there is one value for doing a query (imaginatively named "doQuery") and the 
> 3 VOSI-related request values. This remains consistent with DAL2. If the 
> value of REQUEST=doQuery, then the caller must also specify LANG, which is 
> where the language is set (e.g. LANG=ADQL as before, but now also LANG=PQL, 
> with language version optionally embedded in the LANG value). All remaining 
> parameters depend on the value of LANG.
> 
> Draft documents are posted on
> 
> http://www.ivoa.net/cgi-bin/twiki/bin/view/IVOA/TableAccess
> 
> -- 
> 
> Patrick Dowler
> Tel/T?l: (250) 363-0044
> Canadian Astronomy Data Centre
> National Research Council Canada
> 5071 West Saanich Road
> Victoria, BC V9E 2M7
> 
> Centre canadien de donnees astronomiques
> Conseil national de recherches Canada
> 5071, chemin West Saanich
> Victoria (C.-B.) V9E 2M7
> 
--------------------------------------------------------------------------
Arnold H. Rots                                Chandra X-ray Science Center
Smithsonian Astrophysical Observatory                tel:  +1 617 496 7701
60 Garden Street, MS 67                              fax:  +1 617 495 7356
Cambridge, MA 02138                             arots at head.cfa.harvard.edu
USA                                     http://hea-www.harvard.edu/~arots/
--------------------------------------------------------------------------