[Qt-interest] QTDS SQL Driver no longer functions correctly under Qt 4.6.0

[Wm. G. Urquhart]

Bill King wrote:
> On 12/30/2009 02:41 AM, ext Wm. G. Urquhart wrote:
>> Hi,
>>
>> I have downloaded and installed v4.6 of the LGPL Libraries for Windows 
>> (VS 2008) along with the Visual Studio Add-in v1.1.2. (on Vista x64)
>>
>> Since I use a (remote) SQL Server Database I built the QTDS Driver using 
>> the Intel v11.1.054 Compiler, and I can successfully build and run the 
>> Qt project using the Intel Compiler.
>>
>> On start up the application opens a connection to the SQL Database 
>> however whenever I try to execute a query against it I get:
>>
>> QTDS: Attempt to initiate a new SQL Server operation with results pending.
>>
>> How this can be I do not know as the code worked (unchanged) under v5.4 
>> so this leads me to suspect the 4.6 QTDS code. I've been scratching my 
>> head over this one for hours and I can see nothing wrong with my code.
>>
>> Even if I stop the application from opening the database at start up and 
>> opening just prior to executing a QSqlQuery I still get the same error!
>>
>> Is anyone aware of this 'issue' as I'm at a total loss.
>>
>>   
> QTDS is going to be deprecated and unsupported, please consider moving 
> over to ODBC.
> Personally, I'm not getting those errors on my test machines when 
> running the autotest system, and very little has been done to the tds 
> driver lately, so I'm not sure what could be causing this.
> 

Thanks for the 'heads-up' on that and by coincidence I had moved to ODBC 
to allow me to continue my development, which vindicated my original 
post in that everything worked as expected, with only a couple of line 
changes. Weird.

-- 
William