Re: Stats for multi-column indexes - Mailing list pgsql-hackers

From Csaba Nagy
Subject Re: Stats for multi-column indexes
Date
Msg-id 1174470433.10829.55.camel@coppola.muc.ecircle.de
Whole thread Raw
In response to Re: Stats for multi-column indexes  (Csaba Nagy <nagy@ecircle-ag.com>)
List pgsql-hackers
This should read:

> Considering that the FK part is unique, the                    ^^PK^^
> skewness in the relationship is completely determined by the FK part's
> histogram. That would give at least a lower/upper bound and MCVs to the
> relationship.

Cheers,
Csaba.




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