Learned Indexes in PostgreSQL?

From: Stefan Keller <sfkeller(at)gmail(dot)com>
To: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Learned Indexes in PostgreSQL?
Date: 2017-12-12 11:38:30
Message-ID: CAFcOn2_Y1v_3YfTt8gCN1_TqyqNANUiyCZ+ifcEyX58H0wGzhA@mail.gmail.com
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Hi,

This is an awesome paper about a new index called "Learned Index".
it's aka dense hash structure derived ("learned") from actual data.
Looks very promising for certain properties [*].

Anyone already working on this in Postgres?
How could this be implemented in Postgres?

:Stefan

[*] "The Case for Learned Index Structures" Kraska et al. (Dec 2017)
https://arxiv.org/abs/1712.01208

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