Re: returning an array as a list fo single-column rows?

Hello

try

create or replace function unpack(anyarray)
returns setof anyelement as $$
select $1[i]
from generate_series(array_lower($1,1), array_upper($1,1)) g(i);
$$ language sql;

postgres=# select * from unpack(array[1,2,3,4]);
unpack
--------
1
2
3
4
(4 rows)

Regards
Pavel Stehule

On 23/12/2007, Louis-David Mitterrand
<vindex+lists-pgsql-sql(at)apartia(dot)org> wrote:
> Hi,
>
> is there a way to return a Pg array as a list of single-column row
> values?
>
> I am trying to circumvent DBI's lack of support for native database
> arrays and return the list of values from an ENUM as a perl array.
>
> Thanks,
>
> ---------------------------(end of broadcast)---------------------------
> TIP 7: You can help support the PostgreSQL project by donating at
>
> http://www.postgresql.org/about/donate
>