Re: [PERFORM] one-field index vs. multi-field index planner estimates

[Tom Lane]

Evgeny Gridasov <[EMAIL PROTECTED]> writes:
> Recently I've discovered an interesting thing (Postgres version 8.1.3):

Have you ANALYZEd the table since loading it?  What fraction of the rows
have visible = true?

                        regards, tom lane

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TIP 6: explain analyze is your friend