VODataServiceNext < IVOA

IVOA Web>IvoaResReg>VODataServiceNext (2019-02-05, MarkusDemleitner) (raw view)

This page collects specification issues as well as proposals for
extensions for VODataService 1.1. Version 1.2, addressing most of the
points below, is currently a working draft
([[http://www.ivoa.net/documents/VODataService/20181026/|version of 2018-10]]). 

See also
https://volute.g-vo.org/svn/trunk/projects/registry/VODataService for
the bleeding edge

---+ Specification Problems

   * In current VODataService tableset, table structure is implied to be schema.table; ADQL table references, on the other hand, have one to three elements. This should be reconciled; I propose allowing table-s as direct children of tableset and prescribing full ADQL table references in table/name. -- IVOA.MarkusDemleitner - 2015-05-05
      * This is in current 1.2 drafts, except that we now use anonymous schema elements for instead of having direct children (because it's saving migration in RegTAP).
   * VODataService has no provisions for how SQL delimited identifiers are to be handled where that is relevant (e.g., in TAP tables endpoints). I propose to explicitly say {schema/table/column}/name "must be in forms ready for application" and mention ADQL and the respective symbols as examples. -- IVOA.MarkusDemleitner - 2015-05-05
      * This is in current 1.2 drafts.
   * !ParamHTTP (and perhaps others) resultType is 0..1. With DALI RESPONSEFORMAT, that should probably be made 0..n. Or perhaps we should just adapt !TAPRegExt's outputFormat, which already models DALI? -- IVOA.MarkusDemleitner - 2018-03-16
      * There do not seem to be terribly important use cases for resultTypes.  So, we'll probably leave this alone in 1.2.
   * For many reasons, we !DataCollections should be allowed to have capabilities. -- IVOA.MarkusDemleitner - 2018-04-18
      * This has been solved by deprecating !DataCollections and using CatalogResources instead.

---+ Suggested Extensions

   * Have some markup to say what dataproduct types the service will return? This would be particularly useful with !ObsTAP ("what services have time series?"). -- IVOA.MarkusDemleitner - 2018-04-18
      * No satisfying solutions have been suggested so far.
   * Add numerical/MOC coverage (see [[http://ivoa.net/documents/Notes/Regstc/][RegSTC note]]) -- IVOA.MarkusDemleitner - 2018-04-18
      * This is in 1.2 drafts.
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Topic revision: r6 - 2019-02-05 - MarkusDemleitner

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