plpgsql: type of array cells

[Amit Dor-Shifer <amit.dor.shifer@xxxxxxxxx>]

I'm trying to use an array of objects in plpgsql (postgresql 8.4):

drop type if exists test_t cascade;

create type test_t AS
(
       i integer,
       s text
);

create or replace function test2()
       RETURNS SETOF test_t AS
$$
DECLARE
arr test_t ARRAY[3];
tmp test_t;
BEGIN
       FOR i in 1 .. 3
       LOOP
               -- ok. Can write to test_t.i
               tmp.i:=i;
               -- ok. Can assign a cell from arr to a test_t object
               arr[i]:=tmp;
               -- error:
               arr[i].i=3;
               RETURN NEXT tmp;
       END LOOP;
END;
$$
LANGUAGE plpgsql;

I'm getting an error when attempting to interpret this function:

NOTICE:  drop cascades to function test2()
ERROR:  syntax error at or near "."
LINE 21:   arr[i].i=3;
                ^

********** Error **********

ERROR: syntax error at or near "."
SQL state: 42601
Character: 272

Isn't arr[i] of type test_t??

Thanks,
Amit

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