FreeTDS Development Group

[crawford charles <fiducianettestz AT yahoo.com>]

On Fri, 22 Dec 2006 22:49:56 -0500, "James K. Lowden" (in FreeTDS Digest, Vol 
47, Issue 27) wrote:

> Brian Bruns did the original and afaik only work to teach TDS to Ethereal.
> I wouldn't expect him to contribute further to it.  Someone else will
have to pick up the ball.  

James, thanks for the datum.

Hmm... not saying that I am equal to the task, but if I were to try to 
"enhance" TDS/Ethereal, there are a couple of basic TDS 5.0 questions I have:
One of the things that has bugged me about Ethereal's interpretation of TDS 5 
is that it sort of stumbles when it encounters a TDS_KEY (client side) or 
TDS_ROW (server side).  To resolve this, I assume I would have to hunt 
backwards through the stream, for the related ROWFMT(2) and/or PARAMFMT(2).  
Sybase's description of the cursor tokens makes this challenging: apparently 
you pass the PARAMFMT after the CURDECLARE, and the PARAMS in the CUROPEN, to 
which the server responds with a ROWFMT accompanying the CURINFO (describing 
the subsequent ROWs and KEYs). All of these associations appear to be 
inferred, as there are no identifiers relating one to the other.
Can I assume that only one ROWFMT is "active" at a time?
Can I assume that if the PARAMFMT does not immediately precede a PARAMS, I 
should use the PARAMFMT supplied with the most recent CURDECLARE?

Thanks for any information.

(still no news on "SQL Anywhere CMDSEQ"?)

C.

(from FreeTDS Digest, Vol 47, Issue 27):

Message: 4
Date: Fri, 22 Dec 2006 22:49:56 -0500
From: "James K. Lowden" 
Subject: Re: [freetds] new TDS spec document from Sybase
To: FreeTDS Development Group 
Message-ID: <20061222224956.68f907dd.jklowden AT freetds.org>
Content-Type: text/plain; charset=US-ASCII

crawford charles wrote:
> Even more distantly related: has Ethereal development stopped for TDS. 
> Support for SqlServer seems to be more advanced, and newer Sybase tokens
> do not appear to be supported.

Quite on topic, it seems to me.  

Brian Bruns did the original and afaik only work to teach TDS to Ethereal.
 I wouldn't expect him to contribute further to it.  Someone else will
have to pick up the ball.  

--jkl


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End of FreeTDS Digest, Vol 47, Issue 27
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