On 2022-Mar-24, Japin Li wrote:
> Thanks for your detail explaination. I find bottomup_sort_and_shrink_cmp()
> has smilar code
... except that bottomup_sort_and_shrink_cmp never handles the case of
the two structs being exactly identical, so I don't think this is a
great counter-example.
> IIUC, the last statement is used to keep the compiler quiet. However,
> it doesn't exist in LWLockAttemptLock(). Why?
What I do care about is the fact that LWLockAttemptLock does compile
silently everywhere without a final "return dummy_value" statement. I
don't have to build a theory for why the other function has a statement
that may or may not be actually doing anything.
--
Álvaro Herrera PostgreSQL Developer — https://www.EnterpriseDB.com/
"Los dioses no protegen a los insensatos. Éstos reciben protección de
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