Pavel Stehule <[email protected]> writes:
> We can raise warning from CREATE OR REPLACE FUNCTION - but I would to
> like have plpgsql_check_function inside core - and it is better place
> for this and similar issues.
I agree. This is a perfectly legal use of nested declaration scopes,
so it would be totally inappropriate to complain about it in normal
use of a plpgsql function. On the other hand, it would probably be
sane and useful for CHECK FUNCTION to flag any case where an inner
declaration shadows an outer-scope name (not only the specific case
of topmost block vs function parameter).
regards, tom lane
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