Re: When extended query protocol ends?

> And that's also where sending a Query instead of a Sync introduces a
> problem: What is supposed to happen if something fails. Let's take the
> simple example Bind-Execute-Query: If the Execute causes an error, is
> the Query still executed or not? And what about if the Query fails, is
> the Execute before committed or rolled back?
> 
> That's why we have the Sync messages, clarify what happens when a
> failure occurs somewhere in the pipeline. And only extended protocol
> messages are allowed to be part of a pipeline: "Use of the extended
> query protocol allows pipelining"

Good point. If we have started extended protocol messages, I think
there's no way to avoid the Sync messages before issuing simple
protocol messages.

Best reagards,
--
Tatsuo Ishii
SRA OSS LLC
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