Array element access in ADQL

[Grégory Mantelet]

Hi Marco, DAL,


On 07/07/2017 08:55 AM, Marco Molinaro wrote:
> Hi DAL,
> (replying after Gregory's but with Pat's TAP-reply in mind)
>
> 2017-07-06 13:24 GMT+02:00 Gregory Mantelet <gmantele at ari.uni-heidelberg.de>:
>> Hi DAL,
>>
>> I agree with Pat: how to convey the knowledge to TAP clients that arrays are
>> supported is a major issue?
>> And personally, I am more thinking about what should I write in
>> TAP_SCHEMA.columns.datatype for an array?
> Do you mean, allowing for non homogeneous arrays?

I did not have this use-case in mind. I think for the moment, it is 
better to start with an easy type of array.
So...

> Otherwise shouldn't datatype be the primitive VOTable-type of
> the single array element?

...as Pat recently suggested, using 'datatype' with 'arraysize' (as 
defined in VOTable) seems to be, currently, a good solution for me.

[...]

Cheers,
Grégory