Robert Haas <> writes:
> I tried a non-cassert compile on a machine that has a pickier compiler
> than my laptop, and got:

> costsize.c: In function ‘set_tablefunc_size_estimates’:
> costsize.c:4574:17: error: variable ‘rte’ set but not used
> [-Werror=unused-but-set-variable]

> That appears to be a legitimate gripe.  Perhaps:

I think PG_USED_FOR_ASSERTS_ONLY would be a better solution.  It's
only happenstance that the function currently uses the RTE just
for this; if it grows another use, your approach would be harder
to clean up.

                        regards, tom lane

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