Re: When deleting the plpgsql function, release the CachedPlan of the function

That's correct—this is a simple and blunt patch, and it fails to account for many factors. Initially, I wasn't even sure if this qualified as a distinct issue. Your solution is far more reasonable, and I will rethink the new implementation thoroughly based on your approach.

Thanks,
Zeng Man

The new status of this patch is: Waiting on Author