Re: How to count the number of items in an Array?

Andre Lopes <lopes80andre@gmail.com> wrote:

> Hi,
>
> Thanks for the reply.
>
> My problem is that I can't have the array with all items. I need to read from a
> table and store in an Array the values.

Not sure if i understand you, but how about:

test=*# select * from foo;
 a
---
 1
 3
 5
 7
(4 Zeilen)

Zeit: 0,203 ms
test=*# select array_agg(a) from foo;
 array_agg
-----------
 {1,3,5,7}
(1 Zeile)


The function returns a column as an array.



Andreas
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