2008/6/4 Tom Lane <tgl@sss.pgh.pa.us>:
> "Pavel Stehule" <pavel.stehule@gmail.com> writes:
>> 2008/6/4 Tom Lane <tgl@sss.pgh.pa.us>:
>>> Huh? That's completely nonsensical ... where will you determine the
>>> type of the array, if you don't have a sample element?
>
>> it is nonsens in current postgres. But null array is castable to anyarray no?
>
> If you mean an array of nulls, it still has to have an element type.
I know it - but there was discus about untyped array for empty arrays
like ARRAY[]it is little bit similar
>
> regards, tom lane
>