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

Thank you. I'll take it.

пн, 16 окт. 2023 г. в 00:20, Ron <ronljohnsonjr(at)gmail(dot)com>:

> 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.
>