FRM Files Structure?

Posted in 1999

Bernd Zimmermann — Sun, 29 Aug 1999 12:08:07 +0200 — source: Informix-list mailing list archive (1991-1998)

Is there any docmentation on the internals of compiled forms available ? Or is this a secret ?

↪ replying to Bernd Zimmermann

Jonathan Leffler — Sun, 29 Aug 1999 15:24:14 -0700 — source: Informix-list mailing list archive (1991-1998)

Bernd Zimmermann wrote: > Is there any docmentation on the internals of > compiled forms available ? Or is this a secret ? I've never seen any formal documentation on it. It would have been helpful, too, once or twice -- while maintaining the code, that is. -- Jonathan Leffler (jleffler@informix.com, jleffler@earthlink.net) Guardian of DBD::Informix v0.60 -- see http://www.perl.com/CPAN #include <disclaimer.h>

↪ replying to Jonathan Leffler

Steve Wright — Mon, 30 Aug 1999 16:37:02 +0100 — source: Informix-list mailing list archive (1991-1998)

In article <37C9B30E.64E8@earthlink.net>, Jonathan Leffler <jleffler@earthlink.net> writes >Bernd Zimmermann wrote: >> Is there any docmentation on the internals of >> compiled forms available ? Or is this a secret ? > >I've never seen any formal documentation on it. It would >have been helpful, too, once or twice -- while maintaining >the code, that is. > We did get some assistance from Informix a few years ago when our upscol database was corrupted and could not be recovered from the backup. They provided us with a tool that enabled us to reverse engineer the .frm file. IIRC, it did not reverse engineer any attributes associated with the fields, but that was a minor irritation compared to the mess we were in. -- Steve Wright