I wrote:
> "Rod Taylor" <rod.tay...@gmail.com> writes:
>> How about IS or INTO?
> IS isn't a fully reserved word, and INTO seems pretty weird for this.
> (IS is a type_func_name_keyword, so maybe we could make it work anyway,
> but it sounds a bit fragile.)
Actually, there's an obvious counterexample for IS:
select func(foo IS NULL)
Two possible meanings...
regards, tom lane
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