Hi, On 2020-06-24 07:59:47 -0400, Robert Haas wrote: > On Tue, Jun 23, 2020 at 4:00 PM Andres Freund <and...@anarazel.de> wrote: > > https://postgr.es/m/20130621000900.GA12425%40alap2.anarazel.de is a > > thread with more information / patches further along. > > > > I confused this patch with the approach in > > https://www.postgresql.org/message-id/d8576096-76ba-487d-515b-44fdedba8bb5%402ndquadrant.com > > sorry for that. It obviously still differs by not having lower space > > overhead (by virtue of not having a 4 byte 'va_cmid', but no additional > > space for two methods, and then 1 byte overhead for 256 more), but > > that's not that fundamental a difference. > > Wait a minute. Are we saying there are three (3) dueling patches for > adding an alternate TOAST algorithm? It seems like there is: > > This "custom compression methods" thread - vintage 2017 - Original > code by Nikita Glukhov, later work by Ildus Kurbangaliev > The "pluggable compression support" thread - vintage 2013 - Andres Freund > The "plgz performance" thread - vintage 2019 - Petr Jelinek > > Anyone want to point to a FOURTH implementation of this feature?
To be clear, I don't think the 2003 patch should be considered as being "in the running". Greetings, Andres Freund
