From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Ada package registry?
Date: Fri, 5 Feb 2016 14:27:35 +0100
Date: 2016-02-05T14:27:35+01:00 [thread overview]
Message-ID: <n9280s$9es$1@gioia.aioe.org> (raw)
In-Reply-To: n925rt$th2$1@dont-email.me
On 05/02/2016 13:54, G.B. wrote:
> Using a relational DBMS with competitive Ada could like this:
>
> with Ada.ODBC;
>
> and since SQL knows cursors, the Ada type system could provide
> for a corresponding standard Cursor type, etc.
No, it cannot. Cursor in ODBC is invisible, which is a source of
countless errors because operations implicitly create, remove, change
the cursor.
But other types, environment, connection, statement are Ada controlled
types in the ODBC bindings. See:
http://www.dmitry-kazakov.de/ada/components.htm#ODBC_Bindings
> Also, SQL-invoked routines should be dead easy to write in Ada
> using just the language and library of Ada.
You mean RA, stored procedures or statement execution? In all cases you
need bind parameters, fetch results. That requires conversions Ada type
<-> ODBC type <-> DB type. A native RA implementation would make things
easier, though not easy because Ada lack important features to implement
RA. Furthermore Ada lacks constructs to express transactions. So no, it
is not dead easy.
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2016-02-05 13:27 UTC|newest]
Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-29 1:13 Ada package registry? olivier.henley
2016-01-29 3:43 ` gautier_niouzes
2016-01-29 22:06 ` Randy Brukardt
2016-01-30 17:21 ` Dirk Heinrichs
2016-01-29 14:20 ` David Botton
2016-01-29 22:27 ` Randy Brukardt
2016-01-30 7:35 ` Dmitry A. Kazakov
2016-01-30 22:14 ` Tero Koskinen
2016-01-31 7:51 ` Dmitry A. Kazakov
2016-01-31 15:52 ` Mart van de Wege
2016-01-31 16:21 ` Dmitry A. Kazakov
2016-01-31 19:16 ` olivier.henley
2016-02-01 23:22 ` Randy Brukardt
2016-02-05 19:52 ` Tero Koskinen
2016-02-05 20:42 ` Dmitry A. Kazakov
2016-02-06 1:25 ` Randy Brukardt
2016-02-06 6:09 ` Jeffrey R. Carter
2016-02-08 22:54 ` Randy Brukardt
2016-02-06 23:08 ` AdaMagica
2016-02-07 7:08 ` gautier_niouzes
2016-02-07 8:50 ` gautier_niouzes
2016-02-08 22:58 ` Randy Brukardt
2016-02-07 10:24 ` gautier_niouzes
2016-01-31 19:10 ` olivier.henley
2016-02-02 0:44 ` Randy Brukardt
2016-02-02 18:45 ` Shark8
2016-02-02 20:14 ` gautier_niouzes
2016-02-02 20:46 ` Shark8
2016-02-02 21:32 ` gautier_niouzes
2016-02-03 4:21 ` Shark8
2016-02-03 9:39 ` Georg Bauhaus
2016-02-02 22:51 ` Randy Brukardt
2016-02-03 4:16 ` Shark8
2016-02-01 8:30 ` Thomas Løcke
2016-02-01 9:32 ` Georg Bauhaus
2016-02-02 8:54 ` Thomas Løcke
2016-02-02 14:51 ` jsquirek
2016-02-02 18:25 ` Dmitry A. Kazakov
2016-02-02 20:05 ` gautier_niouzes
2016-02-02 20:58 ` Björn Lundin
2016-02-02 23:06 ` Randy Brukardt
2016-02-03 7:15 ` Pascal Obry
2016-02-03 22:11 ` Randy Brukardt
2016-02-04 6:51 ` Pascal Obry
2016-02-04 20:52 ` Randy Brukardt
2016-02-05 7:11 ` Pascal Obry
2016-02-06 1:11 ` Randy Brukardt
2016-02-04 9:05 ` Dmitry A. Kazakov
2016-02-04 9:20 ` Mark Carroll
2016-02-04 12:58 ` Nasser M. Abbasi
2016-02-04 21:03 ` Randy Brukardt
2016-02-05 8:31 ` Dmitry A. Kazakov
2016-02-04 16:52 ` Björn Lundin
2016-02-04 16:59 ` Dmitry A. Kazakov
2016-02-04 17:29 ` Björn Lundin
2016-02-04 21:21 ` Randy Brukardt
2016-02-04 22:04 ` Björn Lundin
2016-02-05 8:51 ` Dmitry A. Kazakov
2016-02-05 22:06 ` Björn Lundin
2016-02-06 0:30 ` Randy Brukardt
2016-02-06 23:26 ` Björn Lundin
2016-02-07 0:16 ` Jeffrey R. Carter
2016-02-07 8:02 ` Dmitry A. Kazakov
2016-02-07 8:36 ` gautier_niouzes
2016-02-07 8:52 ` Dmitry A. Kazakov
2016-02-07 10:06 ` gautier_niouzes
2016-02-07 10:23 ` Dmitry A. Kazakov
2016-02-07 20:02 ` Björn Lundin
2016-02-08 8:19 ` Dmitry A. Kazakov
2016-02-07 10:00 ` Georg Bauhaus
2016-02-07 10:18 ` Dmitry A. Kazakov
2016-02-07 19:27 ` Georg Bauhaus
2016-02-07 19:47 ` Georg Bauhaus
2016-02-07 19:54 ` Dmitry A. Kazakov
2016-02-07 22:56 ` Georg Bauhaus
2016-02-08 8:22 ` Dmitry A. Kazakov
2016-02-07 20:11 ` Björn Lundin
2016-02-07 22:11 ` Georg Bauhaus
2016-02-08 8:16 ` Björn Lundin
2016-02-07 19:57 ` Björn Lundin
2016-02-08 8:25 ` Dmitry A. Kazakov
2016-02-08 22:42 ` Randy Brukardt
2016-02-07 20:07 ` Björn Lundin
2016-02-08 8:38 ` Dmitry A. Kazakov
2016-02-08 18:24 ` Björn Lundin
2016-02-08 22:38 ` Randy Brukardt
2016-02-09 20:56 ` Björn Lundin
2016-02-05 12:54 ` G.B.
2016-02-05 13:27 ` Dmitry A. Kazakov [this message]
2016-02-05 15:53 ` G.B.
2016-02-05 16:45 ` Dmitry A. Kazakov
2016-02-05 17:58 ` G.B.
2016-02-05 18:47 ` Dmitry A. Kazakov
2016-02-07 9:40 ` Georg Bauhaus
2016-02-07 10:13 ` Dmitry A. Kazakov
2016-02-07 19:21 ` Georg Bauhaus
2016-02-07 19:57 ` Dmitry A. Kazakov
2016-02-07 22:16 ` Georg Bauhaus
2016-02-08 8:20 ` Björn Lundin
2016-02-08 9:03 ` Dmitry A. Kazakov
2016-02-08 10:08 ` G.B.
2016-02-08 13:42 ` Dmitry A. Kazakov
2016-02-06 0:49 ` Randy Brukardt
2016-02-07 8:42 ` Georg Bauhaus
2016-02-04 21:09 ` Randy Brukardt
2016-02-05 8:59 ` Dmitry A. Kazakov
2016-02-06 0:04 ` Randy Brukardt
2016-02-06 8:54 ` Dmitry A. Kazakov
2016-02-08 23:02 ` Randy Brukardt
2016-02-09 8:50 ` Dmitry A. Kazakov
2016-02-11 1:37 ` Randy Brukardt
2016-02-11 8:25 ` Dmitry A. Kazakov
2016-02-11 22:00 ` Randy Brukardt
2016-02-06 18:48 ` olivier.henley
2016-02-09 0:05 ` Randy Brukardt
2016-02-09 3:50 ` Shark8
2016-02-11 1:40 ` Randy Brukardt
2016-02-09 8:04 ` Thomas Løcke
2016-02-09 13:33 ` Alejandro R. Mosteo
2016-02-09 14:58 ` Shark8
2016-02-11 1:46 ` Randy Brukardt
2016-02-11 5:19 ` Shark8
2016-02-09 18:08 ` Jeffrey R. Carter
2016-02-09 21:00 ` Shark8
2016-02-09 21:07 ` Björn Lundin
2016-02-09 21:31 ` Shark8
2016-02-09 23:47 ` Jeffrey R. Carter
2016-02-10 5:10 ` J-P. Rosen
2016-02-11 1:51 ` Randy Brukardt
2016-02-12 16:05 ` Alejandro R. Mosteo
2016-02-13 5:42 ` olivier.henley
2016-02-13 12:20 ` Alejandro R. Mosteo
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