Re: Plan stability versus near-exact ties in cost estimates

Tom Lane wrote:
>> What if you remove the exact cost comparison, but leave the part
where
>> old dominates new based on rows?
>
> Um, that is what the proposed patch does.

I was referring to the first two lines that the patch removes.
I guess I don't understand why they should go.

Anyway, I fail to see how this patch could introduce new
platform-specific
instabilities, so it seems safe for me.

Yours,
Laurenz Albe