Re: select is not using index?

On Wed, 2004-02-04 at 14:55, Mark Harrison wrote:
> testdb=# \d bigtable
> Table "public.bigtable"
> Column | Type | Modifiers
> ---------+---------+-----------
> id | bigint | not null
> typeid | integer | not null
> reposid | integer | not null
> Indexes: bigtable_id_key unique btree (id)

> testdb=# explain select * from bigtable where id = 123;

Your column is a bigint but 123 defaults to type int. Indexes aren't
used when there's a type mismatch. Use an explicit cast or quote it:

select * from bigtable where id = 123::bigint;

Or

select * from bigtable where id = '123';

Corey