[freetds] FreeTDS problems with converting SQL BigInt

Igor Korot ikorot01 at gmail.com
Thu Sep 19 15:13:45 EDT 2013


Hi, Feroze,
What is you Server version?

Thank you.


On Thu, Sep 19, 2013 at 11:29 AM, Feroze Daud <khichdo at yahoo.com> wrote:

> we are using TDS protocol version 8. Should we be using something else?
>
>
> here is our connection string...
>
> --
>
> Initializing processing with connection
> string:DRIVER=FreeTDS;Server=<snip>;UID=<snip>;PWD=<snip>;Database=<snip>;TDS_Version=8.0;Port=1433
>
> --
>
> feroze.
>
>
> ________________________________
>  From: Frediano Ziglio <freddy77 at gmail.com>
> To: Feroze Daud <khichdo at yahoo.com>; FreeTDS Development Group <
> freetds at lists.ibiblio.org>
> Sent: Thursday, September 19, 2013 11:09 AM
> Subject: Re: [freetds] FreeTDS problems with converting SQL BigInt
>
>
> 2013/9/19 Feroze Daud <khichdo at yahoo.com>:
> > So, I enabled logging for my application. This is what it shows me for
> the column that is being corrupted.
> >
> > --
> > token.c:526:processing result tokens.  marker is  81(TDS7_RESULT)
> > mem.c:519:tds_free_all_results()
> > token.c:1472:processing TDS7 result. set current_results to tds->res_info
> > read.c:179:tds_get_string: reading 20 from wire to give 10 to client.
> > token.c:1414:tds7_get_data_info:
> >         colname = MaxQueueID (10 bytes)
> >         type = 108 (numeric)
> >         server's type = 108 (numeric)
> >         column_varint_size = 1
> >         column_size = 17 (17 on server)
> >
> > --
> >
> > Does this mean that the TDS stream that is being read by freetds is
> advertizing the column as numeric?
> >
>
> No, it means the server is returning the number as numeric. Are you
> sure you are using proper protocol version?
>
> > Is there any way to have tdslog print out the value of the column that
> it is reading from the socket?
> >
>
> If you can read binary yes, just turn network data dump on.
>
> > feroze.
> >
> >
> >
>
> Frediano
>
> >
> > ----- Original Message -----
> > From: James K. Lowden <jklowden at freetds.org>
> > To: freetds at lists.ibiblio.org
> > Cc: Feroze Daud <khichdo at yahoo.com>; FreeTDS Development Group <
> freetds at lists.ibiblio.org>
> > Sent: Wednesday, September 18, 2013 6:32 PM
> > Subject: Re: [freetds] FreeTDS problems with converting SQL BigInt
> >
> > On Wed, 18 Sep 2013 13:03:50 -0700 (PDT)
> > Feroze Daud <khichdo at yahoo.com> wrote:
> >
> >> Thanks. Unfortunately, I need to get the output parameter first, so I
> >> changed the sproc to return the value as a resultset, instead of an
> >> output parameter.
> >
> > As Frediano mentioned, the server sends the output parameter after any
> > ROW packets.  FreeTDS makes the data available to the application as
> > they arrive from the server.
> >
> >> This brings me to the original problem. I am getting garbage values
> >> out of call to getBigInteger.
> >
> > What does src/odbc/unittests/genparams show on your machine regarding
> > the BIGINT type?
> >
> >> Is there any way to enable Freetds logging for applications that dont
> >> go through the odbc driver manager?
> >
> > Cf. TDSDUMP in the user guide.
> >
> > HTH.
> >
> > --jkl
> >
> > P.S.  Top-posting reduces the value of the email archive by making it
> > harder to follow the thread.
> > _______________________________________________
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> > http://lists.ibiblio.org/mailman/listinfo/freetds
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