Re: Compress prune/freeze records with Delta Frame of Reference algorithm

Evgeny Voropaev <evgeny.voropaev@tantorlabs.com>

From: Evgeny Voropaev <evgeny.voropaev@tantorlabs.com>

To: Andres Freund <andres@anarazel.de>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>

Date: 2026-04-09T04:21:01Z

Lists: pgsql-hackers

Attachments

v09-0001-Implement-vect-and-uniqsortvect-containers-and-b.patch (text/x-patch) patch v9-0001
v09-0002-Implement-Delta-Frame-of-Reference-compression.patch (text/x-patch) patch v9-0002
v09-0003-Use-Delta-Frame-of-Reference-DFoR-to-compress-pr.patch (text/x-patch) patch v9-0003

Hello hackers!

Dear Andres, please forgive me for the typo in your name in my previous
message. It was not intentional. My blushes!

v09 is the same as v08, except for a difference in test/dfor/Makefile.
I am still trying to fix the build errors in CI/CD.

P.s. rebased onto e0fa5bd1465.

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Fix a set of typos and grammar issues across the tree
- d3bba0415435 19 (unreleased) cited