Andrey Mosienko <feo(at)feo(dot)org(dot)ru> writes:
> When it will be possible to do: GROUP BY some_array?
GROUP BY (also ORDER BY) will work on any datatype that has '<'
and '=' operators.
> As I read in 7.3 ORDER BY some_array will appear. Am I right?
Dunno where you read that. AFAIK there is nothing in 7.3 for array '<'.
But you could write it yourself ...
regards, tom lane