Horton

Re: Pipeline mode and PQpipelineSync()

Alvaro Herrera <alvaro.herrera@2ndquadrant.com>

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From: Alvaro Herrera <alvaro.herrera@2ndquadrant.com>
To: Boris Kolpackov <boris@codesynthesis.com>
Cc: pgsql-hackers@lists.postgresql.org
Date: 2021-06-23T16:55:40Z
Lists: pgsql-hackers

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On 2021-Jun-23, Boris Kolpackov wrote:

> I think one change that is definitely needed is to make it clear that
> the PQpipelineSync() call is not optional.
> 
> I would also add a note saying that while the server starts processing
> the pipeline immediately, it may buffer the results and the only way
> to flush them out is to call PQpipelineSync().

Aren't those two things one and the same?  I propose the attached.

-- 
Álvaro Herrera       Valdivia, Chile
"El hombre nunca sabe de lo que es capaz hasta que lo intenta" (C. Dickens)

Commits

  1. libpq: Fix sending queries in pipeline aborted state

  2. Fix libpq state machine in pipeline mode

  3. Add PQsendFlushRequest to libpq