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From: Daniel Verite <[email protected]>
To: Daniel Frey <[email protected]>
Cc: pgsql-general <[email protected]>
Subject: Re: Pipeline Mode vs Single Row Mode / Chunked Rows Mode
Date: Mon, 06 Jan 2025 20:47:38 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

	Daniel Frey wrote:

> I tried to understand the interaction between Pipeline Mode and
> Single Row Mode / Chunked Rows Mode. It seems that it works
> sometimes, but I don't get the feeling that it was deliberately
> designed to work consistently

It's supposed to work, and there are regression tests in
src/test/modules/libpq_pipeline/libpq_pipeline.c [1]
that exercise the single row mode and PQpipelineSync().

You might want to compare your code workflow with how it's done in
that file, and maybe submit a bug report with your test case if the
conclusion is that your code should not error out.


[1]
https://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/test/modules/libpq_pipeline/libpq_p...

Best regards,
-- 
Daniel Vérité
https://postgresql.verite.pro/
Twitter: @DanielVerite

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