Thanks guys, that makes perfect sense to me...

Am Sonntag, 28. September 2014 schrieb Tom Lane :

> Marko Tiikkaja < <javascript:;>> writes:
> > On 9/28/14, 11:53 AM, Shay Rojansky wrote:
> >> [ complaint about multiple round trips in extended protocol ]
> > You don't have to do multiple round-trips for that; you can just send
> > all the messages in one go.  See how e.g. libpq does it in
> PQexecParams().
> Right.  The key thing to understand is that after an error, the server
> skips messages until it sees a Sync.  So you can send out Parse, Bind,
> Execute, Sync in one packet and not have to worry that the server will
> attempt to execute a query that failed parsing or whatever.
>                         regards, tom lane

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