Re: Index scan cost calculation - Mailing list pgsql-performance

From Glyn Astill
Subject Re: Index scan cost calculation
Date
Msg-id 1810845895.22017405.1448968932390.JavaMail.yahoo@mail.yahoo.com
Whole thread Raw
In response to Re: Index scan cost calculation  (Jeff Janes <jeff.janes@gmail.com>)
List pgsql-performance
>
>Clauses that can't be used in an "indexable" way are excluded from the
>index selectivity, but not from the total query selectivity.
>
>> Or is it just likely that the selection of the new index is just by chance?
>
>Bingo.
>


Got it, thanks! Very much appreciated.


Glyn

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