We tried running the prepared statement six times as suggested but wasn't still able to recreate the original problem.
Perhaps more concerning/relevant is that we have not found any explanation to why the explain plan is not being logged by `auto_explain`. Could this be a bug? Shall we report it?
> 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.
