Re: how to change index cluster ratio? - Mailing list pgsql-admin

From Tom Lane
Subject Re: how to change index cluster ratio?
Date
Msg-id 20338.1126039012@sss.pgh.pa.us
Whole thread Raw
In response to how to change index cluster ratio?  (huaxin zhang <uwcssa@gmail.com>)
List pgsql-admin
huaxin zhang <uwcssa@gmail.com> writes:
> One problem I found is that even if I specify to create a clustered index by
> "cluster idx_name on table_name",  I still can not tell the optimizer that the
> index of "idx_name" is a clustered index with "index correlation" value as 1.0
> (traced from the cost_index() in costsize.c)

The next ANALYZE should figure that out.

            regards, tom lane

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