Re: [HACKERS] question about the _SPI_save_plan() and plan cache

I knew that the delete_function() will reclaim the memory context
allocated for the function. But I did not find any code for removing
the plan(SPI plan memory context), saved by calling _SPI_save_plan.

Is the plan memory context freed when someone issued CREATE OR
REPLACE FUNCTION?

Thanks.

"Tom Lane" <tgl@xxxxxxxxxxxxx> wrotes:25310.1248791701@xxxxxxxxxxxxxxxx
> "Tao Ma" <feng_eden@xxxxxxx> writes:
>> Once we DROP the function, the memory consumed
>> by the plan will be leak.
>
> I'm pretty unconcerned about DROP FUNCTION.  The case that seems worth
> worrying about is CREATE OR REPLACE FUNCTION, and in that case we'll
> reclaim the storage on the next call of the function.
>
> regards, tom lane
>
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