2010/12/17 Tom Lane <tgl@sss.pgh.pa.us>:
> Pavel Stehule <pavel.stehule@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.
yes, it's true
Pavel
>
> regards, tom lane
>