Re: [HACKERS] [WIP] Effective storage of duplicates in B-tree index. - Mailing list pgsql-hackers

From Robert Haas
Subject Re: [HACKERS] [WIP] Effective storage of duplicates in B-tree index.
Date
Msg-id CA+TgmoY=yti_sJu-wdT+U1Pe1=EpPD3Xp94CY5M0Gpft2vXGFw@mail.gmail.com
Whole thread Raw
In response to Re: [HACKERS] [WIP] Effective storage of duplicates in B-tree index.  (Peter Geoghegan <pg@bowt.ie>)
Responses Re: [HACKERS] [WIP] Effective storage of duplicates in B-tree index.  (Peter Geoghegan <pg@bowt.ie>)
List pgsql-hackers
On Tue, Nov 12, 2019 at 6:22 PM Peter Geoghegan <pg@bowt.ie> wrote:
> * Disabled deduplication in system catalog indexes by deeming it
> generally unsafe.

I (continue to) think that deduplication is a terrible name, because
you're not getting rid of the duplicates. You are using a compressed
representation of the duplicates.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: Creating foreign key on partitioned table is too slow
Next
From: Andres Freund
Date:
Subject: Re: global / super barriers (for checksums)