[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[open-cobol-list] Re: [Tiny-cobol-users] Re: COBOL utilities project
From: |
Stephen Brownlow |
Subject: |
[open-cobol-list] Re: [Tiny-cobol-users] Re: COBOL utilities project |
Date: |
Sun Jun 16 18:34:02 2002 |
On June 15, 2002 1:16 PM
"David Essex" <address@hidden> wrote:
<snip>
>
> Berkeley DB maybe overkill, and ISAM maybe a 1970's concept,
> but unfortunately there are no free nor open source implementation
> of ISAM.
>
> This has been one of the killer problems in many open source
> COBOL projects.
>
> MySQL used a version of ISAM, but recently they converted to
> DB for the low level structures.
>
> So AFIK, DB is the only choice available.
>
> The closest implementation of VS*M on UN*X is C-IS*M, which by
> the way is now owned by I*M.
>
> What I would to see is an OpenISAM project with the following criteria.
> - XOpen ISAM standard conformity.
> - Low level concurrence file locking.
>
> If there are any volunteers who would like to work on this project,
> then the project is all your.
>
> David Essex
MyISAM is still the standard filesystem used with MySQL.
I use myisam extensively in my Cobol interface. It is fast and multi-user.
I see only these difficulties with myisam:
1. The only documentation is what I wrote. It is not complete.
2. It does not support row-level locking. Instead, when rewriting, you
provide a copy of the before buffer, and it checks the record has not been
changed since then.
3. I found a couple of bugs in my usage. Either there are some bugs, or I
was not using it properly - but see #1.
4. Monty Widenius is the only programmer who fully understands myisam.
I am seeking a reliable, affordable Cobol. It is very encouraging to me that
these three Cobol compiler teams are cooperating.
Stephen, Sydney
- [open-cobol-list] COBOL utilities project (was: open-cobol-0.9.6), (continued)
- [open-cobol-list] COBOL utilities project (was: open-cobol-0.9.6), David Essex, 2002/06/14
- [open-cobol-list] Re: [Cobolforgcc-devel] COBOL utilities project (was: open-cobol-0.9.6), Tim Josling, 2002/06/14
- Re: [open-cobol-list] Re: [Cobolforgcc-devel] COBOL utilities project (was: open-cobol-0.9.6), David A. Cobb, 2002/06/14
- Re: [open-cobol-list] Re: [Cobolforgcc-devel] COBOL utilities project(was: open-cobol-0.9.6), Tim Josling, 2002/06/14
- Re: [open-cobol-list] Re: [Cobolforgcc-devel] COBOL utilities project(was: open-cobol-0.9.6), David A. Cobb, 2002/06/16
- [open-cobol-list] Re: COBOL utilities project, David Essex, 2002/06/14
- [open-cobol-list] RE: [Cobolforgcc-devel] Re: COBOL utilities project, vze3y7w8, 2002/06/14
- [open-cobol-list] Re: [Cobolforgcc-devel] Re: COBOL utilities project, Keisuke Nishida, 2002/06/15
- [open-cobol-list] RE: COBOL utilities project, David Essex, 2002/06/15
- [open-cobol-list] Re: [Cobolforgcc-devel] Re: COBOL utilities project, Tim Josling, 2002/06/14
- [open-cobol-list] Re: [Tiny-cobol-users] Re: COBOL utilities project,
Stephen Brownlow <=
- [open-cobol-list] NIST Test Suite, Keisuke Nishida, 2002/06/15
- [open-cobol-list] Re: NIST Test Suite, David Essex, 2002/06/15
- [open-cobol-list] Re: [Tiny-cobol-users] Re: NIST Test Suite, bgiroud, 2002/06/17
- [open-cobol-list] Re: [Tiny-cobol-users] Re: NIST Test Suite, Keisuke Nishida, 2002/06/17
- Re: [open-cobol-list] COBOL utilities project (was: open-cobol-0.9.6), Keisuke Nishida, 2002/06/15
[open-cobol-list] Re: [Tiny-cobol-users] open-cobol-0.9.6, Bernard Giroud, 2002/06/15