Re: Frontend/Backend protocol 3.0

That is great.
I've been using psqlodbc and missed a proper error code / sqlstate

Andrei

Jonathan Fuerth wrote:

> Hello people,
>
> I've taken a few days to hack in support for the frontend/backend
> protocol v3.0 (which first appeared in PostgreSQL 7.4).  My main
> motivator was to get at the SQLSTATE codes which backends >= 7.4
> return with every error message.
>
> What's done now:
>  -read the new message length field from all server responses
>  -Parse new-style error/notice blocks
>  -return correct SQLSTATE from backend to ODBC callers (connection and
> result level)
>  -added #ifdef so the driver compiles against newer iODBC headers
>
> What I intend to finish this week:
>  -upgrade the function call API to new protocol
>
> What needs doing that I can't/won't finish soon:
>  -upgrade Windows configuration GUI to add new "7.4" protocol option
>  -take advantage of the new transaction status byte in 'Z' messages
> (my patch just ignores them)
>  -rework prepared statement stuff to use the new protocol features (I
> haven't looked at this stuff at all, but the old code works on the new
> protocol--it could be faster, that's all)
>
> If there is any interest in this patch, I will post it to the list, or
> email it to individuals.
>
> Regards,
>
> -Jonathan Fuerth
>
>
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