FreeTDS Development Group

["Paparo, Joshua" <Joshua.Paparo AT bankofamerica.com>]

Thanks Bill. Just confirming - I am definitely setting datalen to zero.

Josh

-----Original Message-----
From: freetds-bounces AT lists.ibiblio.org
[mailto:freetds-bounces AT lists.ibiblio.org] On Behalf Of Thompson, Bill D
(London)
Sent: 03 December 2004 14:54
To: FreeTDS Development Group
Subject: RE: [freetds] stored proc parameters

I'd say we two bugs:

1) we DONT ignore the value parameter if datalen = 0, viz:

   src/dblib/rpc.c : dbrpcparam() :

    /* sanity */
    if (dbproc == NULL || value == NULL)
        return FAIL;

2) it looks like we are not be handling NULL input parameters correctly:

   from Josh's log (assuming he DID set datalen to 0 on the dbrpcparam
call...)

11:02:39.413329 tds_put_data_info putting param_name 
11:02:39.413343 tds_put_data_info putting status 
11:02:39.413354 tds_put_data: is_null = 0, colsize = 0
11:02:39.413364 tds_put_data: not null param varint_size = 2

..Notice "is_null = 0"

I haven't time to look at it yet. Next week ?

Bill

-----Original Message-----
From: freetds-bounces AT lists.ibiblio.org
[mailto:freetds-bounces AT lists.ibiblio.org] On Behalf Of ZIGLIO,
Frediano, VF-IT
Sent: 03 December 2004 13:50
To: FreeTDS Development Group
Subject: RE: [freetds] stored proc parameters


> 
> Freddy,
> 
> when you say it IS documented, I take it you mean this piece:
> 
> "If the value of the RPC parameter is NULL, pass datalen as 0, 
>  even if type is a fixed-length datatype."
> 
> I don't read that to say you can pass a NULL pointer for the value
> parameter.
> 
> I read that as saying:
> 
> "If you want to send a NULL RPC parameter, you should set
>  datalen to 0, for both fixed or variable data types."
> 
> Bill
> 

Oppps.... ok! :)
Don't apply the patch as is, it shouldn't handle NULL value...

freddy77
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