Pavel Stehule <pavel.steh...@gmail.com> writes:
> Second semi argument for using ARRAY keyword is a verbosity of
> PL/pgSQL. So from this perspective a ARRAY should be minimally
> optional and ensure, so expr result will be really a array. But with a
> optional ARRAY keyword we leaving a simple enhancing in future (on
> parser level).
No. If we are going to put a keyword there, it can't be optional.
Making it optional would require it to be a fully reserved word
--- and in the case of ARRAY, even that isn't good enough, because
of the conflict with ARRAY[...] syntax.
regards, tom lane
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