Thread

Re: Key joins

Joel Jacobson <joel@compiler.org> — 2026-05-29T07:45:17Z

On Fri, May 29, 2026, at 07:08, Joel Jacobson wrote:
> On Fri, May 29, 2026, at 00:13, Joel Jacobson wrote:
>> On Thu, May 28, 2026, at 20:47, Joel Jacobson wrote:
>>> Hi hackers,
>>>
>>> This patch implements a new SQL language feature, that we intent to
>>> submit as a Change Proposal to the WG 3 SQL committee for the next
>>> meeting in Stockholm in June.  We would greatly appreciate any feedback
>>> from the community.
> ...
>>> The attached Discussion paper has also been published at https://keyjoin.org
>>> with all examples in the paper runnable in the browser using a patched PGLite.

v4 is a small follow-up to fix a non-cassert build failure,
reported by cfbot on NetBSD/FreeBSD animals:

* 0002 removes assertion-only local variables in parse_key_join.c
  that triggered -Werror=unused-but-set-variable.

* 0001 and 0003 are unchanged from v3.

/Joel