Re: anti-join chosen even when slower than old plan - Mailing list pgsql-performance

From Grzegorz Jaśkiewicz
Subject Re: anti-join chosen even when slower than old plan
Date
Msg-id AANLkTimqqhfge=v+uzhoMrQGCWXTbx0SEAJGUs2EnNeB@mail.gmail.com
Whole thread Raw
In response to Re: anti-join chosen even when slower than old plan  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-performance
you're joining on more than one key. That always hurts performance.

pgsql-performance by date:

Previous
From: bricklen
Date:
Subject: Re: Huge overestimation in rows expected results in bad plan
Next
From: Mark Kirkwood
Date:
Subject: Re: Array interface