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freetds - Re: prerelease delayed by documentation

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  • From: "Lowden, James K" <LowdenJK AT bernstein.com>
  • To: "'TDS Development Group'" <freetds AT franklin.metalab.unc.edu>
  • Subject: Re: prerelease delayed by documentation
  • Date: Tue, 3 Sep 2002 12:31:17 -0400


> From: Brian Bruns [mailto:camber AT ais.org]
> Sent: September 3, 2002 10:24 AM
>
> Jim, I put some verbage in the troubleshooting section about
> tsql, but I
> fear it is already out of date given Freddy's work on domains. I'll
> finish up the general documentation for it today.

Sounds good.

> I posted some stuff for compiling the Sybase python module,
> i'd like to add that in too.

Funny, I think I remember seeing that, but it's not in the UG. I'll check
my patches directory and mailboxes tonight.

> There's the 0x0f cancel packet problem, i think should be fixed before
> 0.60final.

I'm glad to hear you say that.

>From what I can tell, the "else if (marker == 0)" was added to
tds_process_cancel to allow for the possibility that a dead socket returns
no bytes. Removing that line would resurrect the "loop forever on dead
socket" bug. It seems to me that anything expecting data from a socket has
to distinguish between a packet with no data and a socket with no
connection.

For sure, we don't react to an 0x0f token intelligently; at best we ignore
it. What should happen, I think: we should recognize the 0x0f as a cancel
acknowledgement and record it somewhere as a TDS state, even if we don't use
the information anywhere yet. Then, having dealt with the 0x0f packet, we
keep looking for an 0x04 with the cancel bit set?

> What is the status on conversion? Any outstanding problems
> there? (money?).

Fixed AFAIK. Frediano fixed my major complaints on Friday. Haven't re-run
my tests myself yet.

> Is ODBC working with DBD::ODBC now? There was a
> problem as I recall. Others?

I don't plan to test ODBC.

--jkl


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