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Re: right way of using case-expressions in plpgsql functions

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On 10/15/23 11:19, Victor Dobrovolsky wrote:
[snip]
The documentation states that after some executions of such functions the plan should become generic.
What is a generic plan for such a case and how would it work?

It's highly dependent on the query

When I see this happen (after we notice that a procedure starts taking a long time), the query planner flips from a custom plan to a generic plan after about the fifth execution in a session of a function/procedure.

This will make it calculate the plan every time:
set plan_cache_mode = force_custom_plan;

--
Born in Arizona, moved to Babylonia.

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