Re: Splitting text column to multiple rows

"Andrus" <kobruleht2@hot.ee> writes:
> I changed unction name and tried:
> CREATE OR REPLACE FUNCTION unnest21(anyarray)
> RETURNS SETOF anyelement as $$
>   SELECT $1[i] FROM generate_series(1,4) g(i)
> $$ LANGUAGE sql;

> select unnest21(string_to_array('23,2,3,4,5',','));

> In this case it returns only 4 rows.
> No idea what is happening.

Well, the generate_series call is wrong for this use ...

I think if it appeared to work before it was because the built-in
unnest() function was capturing the call.

            regards, tom lane