FreeTDS Development Group

[ZIGLIO Frediano <Frediano.Ziglio AT vodafoneomnitel.it>]

> 
> 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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