On Thu, Jun 06, 2024 at 03:47:47PM +0500, Andrey M. Borodin wrote: > Is it OK to detach() before wakeup()? Or, perhaps, can a detach() do a > wakeup() automatically?
It is OK to do a detach before a wakeup. Noah has been relying on this behavior in an isolation test for a patch he's worked on. See inplace110-successors-v1.patch here: https://www.postgresql.org/message-id/20240512232923.aa.nmi...@google.com That's also something we've discussed for 33181b48fd0e, where Noah wanted to emulate in an automated fashion what one can do with a debugger and one or more breakpoints. Not sure that wakeup() involving a automated detach() is the behavior to hide long-term, actually, as there is also an argument for waking up a point and *not* detach it to force multiple waits. -- Michael
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