Horton

Re: Fix gin index cost estimation

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: Ronan Dunklau <ronan.dunklau@aiven.io>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers@lists.postgresql.org
Date: 2022-10-12T05:20:43Z
Lists: pgsql-hackers 
On Mon, Sep 19, 2022 at 09:15:25AM +0200, Ronan Dunklau wrote:
> You're right, I was too eager to try to raise the CPU cost proportionnally to 
> the number of array scans (scalararrayop). I'd really like to understand where 
> this equation comes from though... 

So, what's the latest update here?
--
Michael

Commits

  1. Improve GIN cost estimation