Re: update field with lf chars problem

From: Ludek Finstrle <luf(at)pzkagis(dot)cz>
To: Antoine <melser(dot)anton(at)gmail(dot)com>
Cc: pgsql-odbc(at)postgresql(dot)org
Subject: Re: update field with lf chars problem
Date: 2006-07-20 08:38:02
Message-ID: 20060720083802.GC3797@soptik.pzkagis.cz
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> >> We are able to insert rows that contain line feed characters (and
> >> maybe crlf too) into a varchar(14) field but when we attempt to update
> >> the same row via odbc we get an error. This happens even though we are
> >
> >What kind of error. The error message could clarify the problem a little
> >bit.
>
> The message in French is:
> La mise à jour basée sur une requête a échouée car la ligne à mettre
> à
> jour est introuvable.
> Which translates roughly to English (sorry couldn't find the proper
> translation):
> The query-based update failed because the row to update cannot be found.
>
> The column in question is NOT in the primary key, and this only
> happens when the row is created with lf (and probably crlf) in it -
> there is no problem setting it to null in other circumstances.
>
> >> setting the field to null.
> >> Does anyone have any info on this?
> >
> >Not at first sight. Does LF <-> CRLF option take some effect?
>
> That seems to fix it. I guess I understand why... I would still
> consider it a bug though - shouldn't the driver take into account the
> fact that it is doing this conversion when looking for the row?

When driver do the transparent LF <-> CRLF conversion it has to
change LF <-> CRLF in all statements (in all parts of statements).
If you add the rows with same setting of LF <-> CRLF so it may works ok.

BTW noone will fix 08.01 and older versions.

Regards,

Luf

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