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<p>Thanks, Markus, for spelling this out so well.</p>
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<p>The NAVO sevice uptime monitor maintained by HEASARC at <a href="https://heasarc.gsfc.nasa.gov/vo/validation/web/doc/index.html" class="x_OWAAutoLink" id="LPlnk82655">
https://heasarc.gsfc.nasa.gov/vo/validation/web/doc/index.html</a> does already pull testQuery res_detail metadata from STScI RegTAP queries where provided, and uses the relevant details per interface type to construct its queries if available. (I believe it
defaults to 0,0, small-radius when not.) I've passed along the ADQL we collaborated on to VO-Paris without much documentation. This makes what's actually going on with them clearer.</p>
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<p>Cheers,</p>
<p>--Theresa<br>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> ops-bounces@ivoa.net <ops-bounces@ivoa.net> on behalf of Markus Demleitner <msdemlei@ari.uni-heidelberg.de><br>
<b>Sent:</b> Tuesday, June 8, 2021 8:15:40 AM<br>
<b>To:</b> ops@ivoa.net<br>
<b>Subject:</b> Re: [Ops] Test queries from registry</font>
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<div class="PlainText">External Email - Use Caution<br>
<br>
Dear Ops,<br>
<br>
First: Thanks, Mark, for pointing out the SimpleDALRegExt test<br>
queries, which, as you say, are what out to be used to construct test<br>
queries for S*AP (including SIAv2) services...<br>
<br>
On Tue, Jun 08, 2021 at 11:12:53AM +0100, Mark Taylor wrote:<br>
> The relevant information is in the "testQuery and the Query Type"<br>
> subsections of SimpleDALRegExt<br>
> (<a href=""></a>https://urldefense.com/v3/__https://www.ivoa.net/documents/SimpleDALRegExt/__;!!CrWY41Z8OgsX0i-WU-0LuAcUu2o!ldG_0tj3GmmeRHRiIn5tmCPLLyJ4SeUKmBlRK5hDZMZic2dveBos7PBI8SLwMg$ )<br>
> which explains what test query information is registered for SCS/SIA/SSA,<br>
> and in Appendix A of RegTAP (<a href=""></a>https://urldefense.com/v3/__https://www.ivoa.net/documents/RegTAP/__;!!CrWY41Z8OgsX0i-WU-0LuAcUu2o!ldG_0tj3GmmeRHRiIn5tmCPLLyJ4SeUKmBlRK5hDZMZic2dveBos7PBMteQJfA$ )<br>
> which gives (the non-obvious) details of how to extract this<br>
> information from the rr.res_detail table.<br>
<br>
...and in particular for the RegTAP queries (apologies for making it<br>
a bit tricky to pick them out of the various tables).<br>
<br>
<br>
But because we're talking about test queries and authors of<br>
validators (who might want to chime on when such protocols are<br>
designed) read this, let me mention that *future* protocols allowing<br>
GET requests should preferably use the per-interface testQueryString<br>
that was introduced in VOResource 1.1 (cf.<br>
<a href="https://urldefense.com/v3/__https://ivoa.net/documents/VOResource/20180625/REC-VOResource-1.1.html*tth_sEc3.2.2__;Iw!!CrWY41Z8OgsX0i-WU-0LuAcUu2o!ldG_0tj3GmmeRHRiIn5tmCPLLyJ4SeUKmBlRK5hDZMZic2dveBos7PDPY79H6g$">https://urldefense.com/v3/__https://ivoa.net/documents/VOResource/20180625/REC-VOResource-1.1.html*tth_sEc3.2.2__;Iw!!CrWY41Z8OgsX0i-WU-0LuAcUu2o!ldG_0tj3GmmeRHRiIn5tmCPLLyJ4SeUKmBlRK5hDZMZic2dveBos7PDPY79H6g$</a>
,<br>
the vr:Interface type).<br>
<br>
The advantage here is mainly that no registry extension is required<br>
to define test queries (and that per-interface test queries<br>
potentially allow finer-grained validation). The next version of<br>
RegTAP will also map this information into rr.interface in order to<br>
make it easily accessible.<br>
<br>
Again, this is for future protocols; I do not expect that the<br>
existing SimpleDALRegExt registry extensions will move this way, so<br>
looking up test queries for them in the way shown by Mark will<br>
certainly remain the Right Thing for a long time to come.<br>
<br>
-- Markus<br>
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