Re: libpq pipelineing

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От David G. Johnston
Тема Re: libpq pipelineing
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Msg-id CAKFQuwYV7fx9iGNc5JDNnmEY7pOqXpqxgGx70_vvmBC0tJvfLw@mail.gmail.com
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Ответ на Re: libpq pipelineing  (Samuel Williams <space.ship.traveller@gmail.com>)
Ответы Re: libpq pipelineing  (Samuel Williams <space.ship.traveller@gmail.com>)
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On Friday, June 26, 2020, Samuel Williams <space.ship.traveller@gmail.com> wrote:
> What about, as it says, sending multiple statements in a single sendQuery and then polling for multiple results?

I tried this, and even in single row streaming mode, I found that
there are cases where the results would not be streamed until all the
queries were sent.

From the users point of view, they may generate a loop sending
multiple queries and don't care about the result, so a pipeline/batch
processing is ideal to avoid RTT per loop iteration, if database
access is slow, this can be a significant source of latency

 I don’t have any insight into the bigger picture but I’d concur that no other option is documented so what you desire is not possible.

David J.

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