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From: Gary Oberbrunner <garyo@oberbrunner.com>
To: Orgmode Mailing List <emacs-orgmode@gnu.org>
Subject: Org-mode as a metalanguage: calling SQL "functions"
Date: Mon, 1 Apr 2013 15:28:13 -0400	[thread overview]
Message-ID: <CAFChFyhX2TKTt0vAc8vSyFXabAgUaBM0Muru4hZEtYGQrm2SHg@mail.gmail.com> (raw)

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It seems like you can define "procedures" in org-mode and call them from
elsewhere, with args.
But I'm not sure how well-defined that process is; the documentation is not
completely perfect yet I think.  Here's one thing I'm trying that seems not
to work.

I define a "procedure" as a named ref called recorddate with two args, ver
and order.  The idea is I could later call that with different values of
those args.

#+NAME: recorddate(order="desc")
#+BEGIN_SRC sql :exports none :colnames no :results scalar
select Event.CreatedAt from Event join MachineInfo as MI on
Event.MachineInfoId=MI.Id
 where Event.CreatedAt is not NULL order by CreatedAt $order limit 1;
#+END_SRC sql

(BTW, I really like how $ vars are substituted into SQL.  Nice.)  But when
I try to call it like this:

 * earliest record is call_recorddate(ver="'.'", order="asc")
or like this:
 #+CALL: recorddate(ver="'.'", order="asc")

and I try to export as LaTeX (or anything), I get
 org-babel-ref-resolve: Reference 'recorddate' not found in this buffer

Is this supposed to work?

-- 
Gary

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             reply	other threads:[~2013-04-01 19:28 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-01 19:28 Gary Oberbrunner [this message]
2013-04-01 20:41 ` Org-mode as a metalanguage: calling SQL "functions" Mike Gauland
2013-04-02  1:19 ` Eric Abrahamsen
2013-04-02  1:45   ` Eric Schulte
2013-04-02  2:46     ` Eric Abrahamsen
2013-04-02  2:54     ` Gary Oberbrunner
2013-04-02 21:54       ` Eric Schulte
2013-04-03  5:50         ` Andreas Röhler
2013-04-03  5:54         ` Carsten Dominik
2013-04-03 13:09           ` Eric Schulte
2013-04-04 12:26             ` Sebastien Vauban
2013-04-04 12:49               ` Eric Schulte
2013-04-04 20:10                 ` Sebastien Vauban
2013-04-05 15:43                   ` Gary Oberbrunner
2013-04-05 16:31                     ` Eric Schulte
2013-04-05 17:51                       ` Andreas Röhler
2013-04-06 20:44                       ` Bastien

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