From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Cc: pgsql-bugs <pgsql-bugs@postgresql.org>
Subject: Re: Regression in pipeline mode in libpq 14.5
Date: Mon, 15 Aug 2022 17:24:37 +0200
Message-ID: <20220815152437.sg64tinuamfukbhz@alvherre.pgsql> (raw)
In-Reply-To: <CA+mi_8ZGSQNmW6-mk_iSR4JZB_LJ4ww3suOF+1vGNs3MrLsv4g@mail.gmail.com>
On 2022-Aug-14, Daniele Varrazzo wrote:
> The execute() runs an implicit BEGIN, which is also executed in
> pipeline mode. Exiting the pipeline() block causes a Sync. So we
> expect 3 results in the pipeline (a COMMAND_OK after BEGIN, a
> TUPLES_OK after SELECT, a PIPELINE_SYNC).
Hmm, it seems (judging only from comparing your two traces) that the
problem stems from the newly added hack to handle CloseComplete. I'll
have a look later in the week.
--
Álvaro Herrera PostgreSQL Developer — https://www.EnterpriseDB.com/
"No hay ausente sin culpa ni presente sin disculpa" (Prov. francés)
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To: pgsql-bugs@postgresql.org
Cc: alvherre@alvh.no-ip.org, daniele.varrazzo@gmail.com
Subject: Re: Regression in pipeline mode in libpq 14.5
In-Reply-To: <20220815152437.sg64tinuamfukbhz@alvherre.pgsql>
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