> If i do any explains i got the following:
>
> db_nmkm3=# explain select * from test where id1=1;
> Index Scan using index_test_1 on test (cost=0.00..3.01 rows=1 width=12)
>
> db_nmkm3=# explain select * from test where id2=1;
> Seq Scan on test (cost=0.00..20.55 rows=1 width=12)
>
> db_nmkm3=# explain select * from test where id2=1::int8;
> Index Scan using index_test_2 on test (cost=0.00..3.01 rows=1 width=12)
>
> Can somebody explain me whats wrong with me or my indexes?
Nothing's wrong with your indexes - it's a known limitation of Postgres's
type system.
You just have to use the "::int8" cast and it all works fine.
Chris