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Date: Wed, 02 Mar 2011 12:40:26 -0500
From: Hyman Rosen <hyrosen@mail.com>
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Subject: Re: How do I write directly to a memory address?
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Date: 2011-03-02T12:40:26-05:00
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On 3/2/2011 12:21 PM, Dmitry A. Kazakov wrote:
> It is.

It isn't.

> Of course it does. No Ada programmer would add anything to an actual
> parameter.

The GNATColl code did so.

> Things are passed as-is in Ada. It was a requirement of untyped
> SQL to quote strings in a statement

This is nonsense. Ada has exactly the same requirement.
In Ada, you cannot write
     Ada.Text_IO.Put_Line (Hello, world!);
you must write
     Ada.Text_IO.Put_Line ("Hello, world!");

SQL is a type of programming language, and SQL statements that
involve literal strings must have them be quoted. Programmers
sometimes construct SQL statements dynamically and interpolate
data as string literals into the SQL, and then those must be
properly quoted. But SQL interfaces also grant the ability to
build SQL statements with placeholder parameters where values
for those parameters are passed separately when the statements
are executed, and in that case the parameters are simply passed
as-is with no quoting required.

> as well as using other idiotic escape sequences.

But Ada has the same idiocy:
<http://www.adaic.org/resources/add_content/standards/05rm/html/RM-2-6.html>
     string_literal ::= "{string_element}"
     string_element ::= "" | non_quotation_mark_graphic_character

>>> And if the interface were typed that could never happen.
>>
>> What prevented the GNATColl authors from providing such an
>> interface?
>
> PostreSQL.

No, because GNATColl provided an interface to Ada programmers.
That interface was free to use any Ada design methodology and
type design that its creators wished to use, regardless of the
requirements of the Postgres programming interface.