On 2022-Aug-30, Matheus Martin wrote: > Good idea on using an actual prepared statement but unfortunately it didn't > produce any different result. I should have also mentioned to try the EXPLAIN EXECUTE six times and see if the last one produces a different plan. That's when it switches from planning every time to planning with generic arguments, as I recall. > Could you please elaborate a bit on your advice concerning > ExecutorEnd/PortalCleanup? I am afraid it doesn't mean much to me. That wasn't advice actually, just a note that the code might be doing that thing wrong, causing auto_explain to miss it. This is an unproven hypothesis that is likely to be all wrong. -- Álvaro Herrera PostgreSQL Developer — https://www.EnterpriseDB.com/ "I'm impressed how quickly you are fixing this obscure issue. I came from MS SQL and it would be hard for me to put into words how much of a better job you all are doing on [PostgreSQL]." Steve Midgley, http://archives.postgresql.org/pgsql-sql/2008-08/msg00000.php