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freetds - RE: freetds from cvs on cygwin - make check - 2 tes t fa iled

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  • From: "Castellano, Nicholas" <Nicholas_Castellano AT acml.com>
  • To: "'TDS Development Group'" <freetds AT franklin.metalab.unc.edu>
  • Subject: RE: freetds from cvs on cygwin - make check - 2 tes t fa iled
  • Date: Wed, 16 Oct 2002 12:43:30 -0400


No! The functionality is there, we just need to ensure a reasonable
textsize somehow.

Dumping packets from Query Analyzer reveals that it sends "SET TEXTSIZE
64512" just after login.

I think all we need to do is add "text size = 64512" in the [global] section
of our example freetds.conf. Then we will always get a reasonable and
malloc()able size from the server, unless the user overrides this with
something unreasonable. How does that sound?

Cheers,
--nick

-----Original Message-----
From: bounce-freetds-145195 AT franklin.oit.unc.edu
[mailto:bounce-freetds-145195 AT franklin.oit.unc.edu]
Sent: Wednesday, October 16, 2002 12:36 PM
To: TDS Development Group
Subject: [freetds] RE: freetds from cvs on cygwin - make check - 2 tes t fa
iled


Jim,

There's a couple of issues with this.

1) I never fully figured out how this part of the protocol was supposed to
work. remember the bcp protocol in tds 7/8 is completely different from
4.2/5
2) when we read data from the host data file we malloc enough storage to
hold the data it's going to read. I work out how much to malloc by getting
the column size from the server. in sql 7/2000, the server tells me for
text/image I need 2Gb, which I merrily try and malloc. The holes in my logic
are obvious for all to see....

in essence then, its best to say that if the TDS protocol is 7 or 8 we
should say that this functionality is unavailable (for the time being
anyway)

Bill


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