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freetds - RE: Output parameters (was: Strange things)

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  • From: "Thompson, Bill D (London)" <ThompBil AT exchange.uk.ml.com>
  • To: "'TDS Development Group'" <freetds AT franklin.oit.unc.edu>
  • Subject: RE: Output parameters (was: Strange things)
  • Date: Wed, 20 Nov 2002 10:34:32 -0000


Cheers Freddy, I'll take a look.


> -----Original Message-----
> From: ZIGLIO Frediano [SMTP:Frediano.Ziglio AT vodafoneomnitel.it]
> Sent: 20 November 2002 10:22
> To: TDS Development Group
> Subject: [freetds] RE: Output parameters (was: Strange things)
>
> >
> > The upshot of this is that we'll have to implement the RPC
> > message stream,
> > if we want to capture return parameters from stored
> > procedures in TDS 7 or
> > 8.
> >
> > I can help with the specifics of the TDS 7 RPC message
> > protocol if anyone
> > wants to get stuck in.
> >
>
> Not so difficult. See in query.c how to send an RPC using TDS7+.
> All the code is there. See tds_submit_execute, inside IS_TDS7_PLUS if.
> Some
> lack for output parameters specification but other stuff are all present.
>
> My roadmap for dynamic stuff is
> - libtds. Add TDS5_PARAMS support and enable it in capability by default
> - ODBC. Support parameters of all types (not only varchar!!)
> - query. Add emulated prepare from ODBC code
> - (perhaps, future) reenable code for direct binding in libtds
> (I hope to be ready with first two point before Xmas..)
>
> Direct RPC call is not difficult (the code for TDS7 should work for TDS5
> with small changes)
>
> freddy77
>
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