Horton

Re: pgbench: using prepared BEGIN statement in a pipeline could cause an error

Alvaro Herrera <alvherre@alvh.no-ip.org>

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From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Alexander Lakhin <exclusion@gmail.com>
Cc: Yugo NAGATA <nagata@sraoss.co.jp>, Andres Freund <andres@anarazel.de>, Tom Lane <tgl@sss.pgh.pa.us>, Fabien COELHO <coelho@cri.ensmp.fr>, pgsql-hackers@postgresql.org
Date: 2023-05-25T10:39:19Z
Lists: pgsql-hackers 
On 2023-May-22, Alvaro Herrera wrote:

> Hah, yeah, that's because an empty pipeline never calls the code to
> allocate the flag array.  Here's the trivial fix.

Pushed to both branches, thanks for the report.

-- 
Álvaro Herrera        Breisgau, Deutschland  —  https://www.EnterpriseDB.com/

Commits

  1. Fix pgbench in prepared mode with an empty pipeline

  2. pgbench: Prepare commands in pipelines in advance

  3. Add -M (query mode) option per ITAGAKI Takahiro