Re: question about the _SPI_save_plan() and plan cache

"Tao Ma"  writes:
> 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.

Hmmm ... good point, those probably won't get cleaned up.  In an
environment where functions are getting changed constantly, that
might be worth doing.
		regards, tom lane