On Wed, Jul 9, 2025 at 10:24 PM Noah Misch <n...@leadboat.com> wrote: > Looking at .cirrus.tasks.yml, I bet the key factor is that CI task using > debug_parallel_query=regress. I bet the leader is attached to the injection > point, but the WARNING is reached in a parallel worker.
Yep, that was it. > If that matches what you see, I'd use a PARALLEL RESTRICTED or PARALLEL UNSAFE > function in your query to ensure the code in question runs in the leader. That seems like the way to go. At some point I'll start a new thread with a formal patch proposal, that'll include the tests on this thread. I also plan on using injection points to write a simple/serial regression test exercising the nbtree code that completes an incomplete split (following a hard crash/error). Thanks again -- Peter Geoghegan
