I wrote: > Aleksander Alekseev <aleksan...@timescale.com> writes: >> A colleague of mine, Ante Krešić, got puzzled by the following behavior:
> That's not a documentation problem. That's a bug, and an extremely > nasty one. A quick check shows that it works as expected up through > v13, but fails as described in v14 and later. Needs bisecting ... Ugh. Bisecting says it broke at 86dc90056dfdbd9d1b891718d2e5614e3e432f35 is the first bad commit commit 86dc90056dfdbd9d1b891718d2e5614e3e432f35 Author: Tom Lane <t...@sss.pgh.pa.us> Date: Wed Mar 31 11:52:34 2021 -0400 Rework planning and execution of UPDATE and DELETE. which was absolutely not supposed to be breaking any concurrent-execution guarantees. I wonder what we got wrong. regards, tom lane