> amusements=> explain select * from games where mfr = '';
> NOTICE: QUERY PLAN:
>
> Seq Scan on games (cost=0.00 size=0 width=160)
>
> EXPLAIN
OK. This is the base of the problem. You are vacuum. How varied is the
data in the mfr field. Is the usually just a few unique values. If so,
the index really does you no good, and perhaps that is why it is not
being used.
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