2010/9/28 Tom Lane <tgl@sss.pgh.pa.us>:
> Pavel Stehule <pavel.stehule@gmail.com> writes:
>> 2010/9/28 Tom Lane <tgl@sss.pgh.pa.us>:
>>> But I guess you could get around that if you had to by putting the ARRAY
>>> expression inside parens, and it would be a pretty darn unusual case
>>> anyway. So this is probably the best choice.
>
>> I don't agree - There isn't reason for complicating proposed syntax.
>
> Yes, there is. The syntax you propose is flat out ambiguous: there are
> two possible legal interpretations of some commands. That's not
> acceptable, especially not when it's so easily fixed.
>
what are you thinking? The subquery cannot be interpreted different.
There are not possible use a isolated subquery as query. And subquery
have to return one row, one column.
Pavel
> regards, tom lane
>
