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List:       dbi-dev
Subject:    Introduction and Query
From:       Eric Vought <adfh () pobox ! com>
Date:       1996-11-18 23:45:13
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Sorry about posting to both lists. I'll tailor my posts a little more
once I get a feel for what goes on and who's listening on the three
lists.

My name is Eric Vought. I work for CACI on contract to the Air Force to
work on a product development product called MASTR. MASTR is primarily
an analysis and operations reasearch tool, although I'm hoping it can be
applied to non-military problems as well.

We are using a combination of PERL and Tcl/Tk for development of MASTR.
Tcl/Tk is being used for a scripting interface and for the GUI while
PERL is being used for the "serious stuff". Our current system uses a
4GL called VPE, which we are phasing out. Right now, our project
consists of 180,000 lines of VPE, and ~0,000 lines of tcl plus some
puddles of C code. By next year I hope to see about 10-12,000 lines of
Tcl and about 70-80,000 lines of PERL with no VPE and a bare minimum of
C.

This product does a fair amount of communication with an RDBMS
(currently Oracle, though we will be using one of Empress, Essentia,
CQL++, or Solid Server for future development and want to make sure we
are compatible with Sybase). This is why I'm posting/subscribing to this
list.

Outside of our (actively) supported databases, we want to make sure that
we are minimally compatible with
any RDBMS that supports ODBC. This is partially so that our customers
have as much choice as possible and so that we ourselves don't get
locked into a particular set of development tools
or platforms and it will be easy to change our list of actively
supported databases.

I've been reading through documentation on PERL DBD:DBI lately and
looking through code obtained from CPAN. The only driver's listed there
were for Oracle and Ingress, with only Oracle (alpha) being available
for download. I've also read a post (I don't remember who off hand) that
suggested DBD:DBI's current support was being obsoleted in favor of a
PERL<->ODBC interface.

>From listening to chatter on this list over the past week, it looks like
several other drivers are in development, and I have heard no mention of
a move to ODBC. Could someone give me a quich status report on what you
folks are up to? I am (obviously) interested in making as much use of
waht you have as possible for my employer, but I am also interested in
volunteering some of my own time off of work and may be able to convince
my employer to (sparingly) help with some portions of DBI:DBD that are
directly related to MASTR as long as the MASTR project does not have to
support such additions in the long term.

In particular, what is the progress in talking to an ODBC driver manager
(like iODBC) from PERL?
What needs to be done?

Eric Vought



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