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Re: Problems with guile-sqlite3

From: Detlev Zundel
Subject: Re: Problems with guile-sqlite3
Date: Mon, 04 Apr 2011 23:28:39 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Hi Andy,

> On Mon 04 Apr 2011 18:22, Detlev Zundel <address@hidden> writes:
>>> I spotted where the problem comes from: it is when a text value is empty. I 
>>> have
>>> produced a small but complete example [attached]: can you reproduce it ?
>> Yes, thanks for the test case, I can now reproduce it and hopefully the
>> attached patches work for you also.
> I have added you to the gitorious repo.  Feel free to push your patches
> there :-)

Hey thanks!  Still I'd welcome if you at least look over my changes and
give me some hints if you see room for improvements - most of what I did
in scheme in the past was in scsh ;)

As I said in my previous mail, I'd like to know if there is a better way
to handle the null pinter problem reported by Dave, e.g. does guile have
a null-pointer? or something comparable more gentle on the eyes than (eq
%null-pointer ..)?  If not, would it make sens to add such a predicate?


Once the  implementation is  up and running,  it is still a trick to keep it
running.  In a normal,  closed implementation,  this is not a problem;  in a
system with metaobject protocols [..] there is the potential for spectacular
failure modes if certain situations are not properly anticipated.
                                       -- The Art of the Metaobject Protocol
DENX Software Engineering GmbH,      MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich,  Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-40 Fax: (+49)-8142-66989-80 Email: address@hidden

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