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Re: Frontend/Backend protocol 3.0

From: Jonathan Fuerth <fuerth(at)sqlpower(dot)ca>
To: pgsql-odbc(at)postgresql(dot)org
Subject: Re: Frontend/Backend protocol 3.0
Date: 2005-06-06 20:20:00
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-odbc
On Jun 6, 2005, at 1:55 PM, Bruce Momjian wrote:
> The work is actually being done by another company, Pervasive.  The
> Command Prompt version is to be GPL and is quite different.
Ok, cool.  Where can I find more information about that?  I searched 
this list, googled for "pervasive odbc postgres," and poked around on, but came up dry.

I did read the licensing debate in that Command Prompt thread, but it 
seemed that the consensus was that an ODBC driver links with the driver 
manager--not the application code--and so the GPL doesn't leak out and 
infect ODBC client applications that happen to work with a GPL'ed ODBC 
driver.  I guess there would have to be a public statement from Command 
Prompt, or legal precedent, to make this point of view a little more 
trustworthy and official.  If this interpretation was correct, would it 
be legal to bundle a GPL'ed ODBC driver with a closed-source 

It certainly did seem to be Command Prompt's intention from the outset 
to use the dual license model to require "fee-based commercial use," 
otherwise they could have chosen a less restrictive open source 

If there's anyone left with access to update the psqlodbc gborg site, 
maybe they could put up a list of links to the "alternative" PostgreSQL 
ODBC driver projects (and maybe mention the licensing model of each).  
I don't think I'm the only person who has been suffering from a lack of 
background knowledge in this regard.


-Jonathan Fuerth

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