ISSUE-39: Can variable used as aliases for expressions be themselves used in other expressions?

Can variable used as aliases for expressions be themselves used in other expressions?

State:
CLOSED
Product:
Raised by:
John Clark
Opened on:
2009-09-08
Description:
Related Actions Items:
No related actions
Related emails:
  1. tomorrow's agenda (and initial open ISSUES summary.. ) (from axel.polleres@deri.org on 2010-07-26)
  2. Re: Agenda SPARQL TC 2010-02-09 (from axel.polleres@deri.org on 2010-02-09)
  3. Re: Agenda SPARQL TC 2010-02-09 (from andy.seaborne@talis.com on 2010-02-09)
  4. Summary of open issues on query. (from andy.seaborne@talis.com on 2010-02-03)
  5. Re: agenda for tomorrow... (from axel.polleres@deri.org on 2009-12-07)
  6. Re: agenda for tomorrow... now here's the agenda. (from axel.polleres@deri.org on 2009-12-07)
  7. Re: agenda for tomorrow... (from andy.seaborne@talis.com on 2009-12-07)
  8. Re: scope of alias variables (from andy.seaborne@talis.com on 2009-11-13)
  9. Re: scope of alias variables (from lee@thefigtrees.net on 2009-11-13)
  10. Re: scope of alias variables (from andy.seaborne@talis.com on 2009-11-13)
  11. scope of alias variables (was: Re: Views on the outcomes of F2F) (from lee@thefigtrees.net on 2009-11-12)
  12. Re: Views on the outcomes of F2F (from gearon@ieee.org on 2009-11-10)
  13. Re: Views on the outcomes of F2F (from steve.harris@garlik.com on 2009-11-10)
  14. Views on the outcomes of F2F (from andy.seaborne@talis.com on 2009-11-10)

Related notes:

This issue is based around AS in the SELECT clause. Have we decided for sure that we will not have variables in the WHERE clause (eg. the ARQ "LET" expression). This is not completely equivalent, since variables in WHERE allow the variable to appear in FILTERs.

Paul Gearon, 8 Sep 2009, 14:31:46

[LeeF]: See http://www.w3.org/2009/sparql/wiki/Design:Project_Expression

29 Sep 2009, 03:38:39

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