Re: Frontend/Backend protocol 3.0

Are you aware someone is rewriting ODBC to use libpq for protocol
communications?

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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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>

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