Thursday, August 14, 2008

Re: [GENERAL] Strange query plan

Am Thursday, 14. August 2008 schrieb Dmitry Teslenko:
> SELECT SUM(...) FROM table1 WHERE field3 = 'ABC' AND field1 <> 1
> GROUP BY field2
>
> And planner picks up a sequential scan of a table. Why does he?

Presumably because it thinks it is the best plan, and I see no reason to doubt
that outright. You might get better performance with an index on field3.

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