On 08.05.2018 15:49, Ildar Musin wrote:
> select map (pow(x, 2) - 1 for x in array[1,2,3]);
Sorry, the example should be:
select map (pow(2, x) - 1 for x in array[1,2,3,4,5]);
?column?
---------------
{1,3,7,15,31}
(1 row)
--
Ildar Musin
i.musin@postgrespro.ru