Re: Pathological performance when inserting many NULLs into a uniqueindex - Mailing list pgsql-hackers

From Michael Paquier
Subject Re: Pathological performance when inserting many NULLs into a uniqueindex
Date
Msg-id 20190419004613.GE2660@paquier.xyz
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In response to Pathological performance when inserting many NULLs into a unique index  (Peter Geoghegan <pg@bowt.ie>)
Responses Re: Pathological performance when inserting many NULLs into a unique index
List pgsql-hackers
On Wed, Apr 17, 2019 at 07:37:17PM -0700, Peter Geoghegan wrote:
> I'll create an open item for this, and begin work on a patch tomorrow.

Adding an open item is adapted, nice you found this issue.  Testing on
my laptop with v11, the non-NULL case takes 5s and the NULL case 6s.
On HEAD, the non-NULL case takes 6s, and the NULL case takes...  I
just gave up and cancelled it :)
--
Michael

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