: firebird-support@yahoogroups.com
Subject: Re: [firebird-support] Is it save to append some data at end of the
binary firebird database file?
Fabiano Kureck suggested sticking application version information in the
checksum slot of the page header.
Mark Rotteveel quite correctly responded
Fabiano Kureck suggested sticking application version information in the
checksum slot of the page header.
Mark Rotteveel quite correctly responded.
>
>
> That is very dangerous to do, the same bytes might be reused differently
> in a newer ODS. Either use a normal Firebird table to store version
That is very dangerous to do, the same bytes might be reused differently in a
newer ODS. Either use a normal Firebird table to store version info, or do it
outside of the database. Do not hack things in the internal structure.
Mark
- Reply message -
Van: "Fabiano Kureck fabi...@sci10.com
What you can do is inspect Firebird structure and search for an unused area.
Documentation about this can be found at
http://www.firebirdsql.org/manual/fb-internals.html
By example if you check
http://www.firebirdsql.org/manual/fbint-standard-header.html
Pag_checksum: Two bytes, unsigned. Bytes
On 04/12/2015 00:07, Christian Gütter n...@guetter.org
[firebird-support] wrote:
> In Windows this is not an abuse, executable files have
> provision for version metadata ("resource") and you're supposed
> to use it properly. Pity this doesn't apply portably to all file
types, innit.
True, bu
Mark Rotteveel wrote:
> On Windows, all files can have alternative streams with additional
> data. It is a form of hidden metadata that is attached to the main filename.
True, but the alternate data streams get lost when the file is stored
on a non-NTFS drive, sent via FTP/E-Mail etc. So dependi
Tim Ward wrote:
> In Windows this is not an abuse, executable files have
> provision for version metadata ("resource") and you're supposed
> to use it properly. Pity this doesn't apply portably to all file types,
> innit.
True, but if you just append the info to the exe file, it is an a
On Windows, all files can have alternative streams with additional data. It is
a form of hidden metadata that is attached to the main filename.
Mark
- Reply message -
Van: "Tim Ward t...@telensa.com [firebird-support]"
Aan:
Onderwerp: [firebird-support] Is it save to append some data a
Hi,
> I figured out it is possible to simply append manually some ascii
> data at the end of the db file (see picture attached). This would be
> my preferred solution. It seems to work (I can still read and write
> to the database and even manipulate the database structure). But
> maybe this is on
On 03/12/2015 14:48, Christian Gütter n...@guetter.org
[firebird-support] wrote:
Or, if you are a big fan of abusing file formats, you might want to
try to append the information to your executable file.
In Windows this is /not /an abuse, executable files have provision for
version metadata ("
, 2015 2:06 AM
To: firebird-support@yahoogroups.com
Subject: Re: [firebird-support] Is it save to append some data at end of the
binary firebird database file?
Hi Semjon
I had a similar need so what I do is I create a Domain
CREATE DOMAIN "FDBVersion_1.80.1451"
AS SMALLINT;
The
On Tue, Dec 1, 2015 at 7:42 AM, 'Moessinger, Semjon' s.moessin...@pi.ws
[firebird-support] wrote:
>
>
>
> My main intend is to add some version information to a firebird database
> file, since I will use firebird as embedded database and installers/update
> mechanism will need this information.
>
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