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List:       pgsql-performance
Subject:    Re: Log number of tuples returned
From:       Justin Pryzby <pryzby () telsasoft ! com>
Date:       2021-04-29 15:08:26
Message-ID: 20210429150825.GK27406 () telsasoft ! com
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On Thu, Apr 29, 2021 at 03:01:29PM +0000, Edson Richter wrote:
> Which postgresql logging parameters should I activate to log the "number of tuples \
> returned" for a query? I would like to debug some dynamicly generated queries in \
> the system that are returning a absurd number of tuples (> 2,6mi of records).

You can load the auto_explain extension and set:
auto_explain.log_analyze

And then the "rows" are logged:                                                       \
  Result  (cost=0.00..0.01 rows=1 width=4) (actual time=0.002..0.004 rows=1 loops=1)  \


https://www.postgresql.org/docs/current/auto-explain.html

-- 
Justin


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