On Mon, Aug 9, 2010 at 11:24 AM, Pavel Stehule <pavel.steh...@gmail.com> wrote:
>> They name to be type_func_keywords, perhaps, but not fully reserved.
>> And they'd still need that treatment anyway.  Even if cube(whatever)
>> can't mean "extract a column called cube from table whatever", it can
>> still mean "call a function called cube on a column called whatever".
>
> look to gram.y, please.
>
> we can use a
>
> GROUP BY CUBE(expr, ..)
> GROUP BY func_name(expr, ..)
>
> so these rules are in conflict, because func_name can have a
> type_func_keywords symbols. So we have to significantly rewrite a
> rules about func call or CUBE and ROLLUP have to be a reserved words.
> There isn't any other possibility.

I understand that you have to make CUBE and ROLLUP reserved words.
But you would still have to do that even if we changed $SUBJECT.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company

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