Re: PG does not use my index

Rickard =?iso-8859-1?b?U2r2c3Ry9m0=?= <rickard.sjostrom@bluebottle.com> writes:
> fast db:
> -------------------------
>  ->  Index Scan using testcase_b_bid_index on testcase  (cost=0.00..1656.82 rows=426 width=38) (never executed)"
> -------------------------

> slow db:
> -------------------------
> ->  Seq Scan on testcase  (cost=0.00..2896.42 rows=33242 width=64) (actual time=77.027..791.014 rows=37093 loops=1)"
> -------------------------

Let's see the query and the *whole* explain analyze output, not the part
you (mistakenly) think is important.

            regards, tom lane