a schrieb am 24.08.2018 um 11:01:
> Say if I have an float8 array:
>
> id| data
> --|---------------
> a | {1,2}
> b | {2,4}
>
> If I could using query to make it looks like this:
>
> id| data[1] | data[2]
> --|----------|-----------
> a | 1 | 2
> b | 2 | 4
>
> Since I would have around 200,000 rows, I would prefer it having
> enough capacity to carry out the calculation such as sum().
Maybe I am missing something, but:
select id, data[1], data[2]
from the_table;
will work just fine.