Alexander Farber <alexander.far...@gmail.com> writes:
> unfortunately, I can not call INTERVAL 'in_until', that wouldn't work.
No, because the syntax TYPENAME 'LITERAL' only works for simple string
literals. What you want here is a run-time cast, either
CAST(in_until AS interval) or in_until::interval.
> I would prefer to call my custom function as
> select words_ban_user(1, '1 day', 'attacking other users');
That is not a reason not to declare the argument as interval.
> and not as
> select words_ban_user(1, CURRENT_TIMESTAMP + '1 day', 'attacking other
> users');
Hm? That would be passing a timestamp not an interval.
regards, tom lane
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