Re: Rethink the wait event names for postgres_fdw, dblink and etc

On Wed, Oct 04, 2023 at 05:19:40PM +0900, Michael Paquier wrote:
> I am lacking a bit of time now, but I have applied the bits for
> test_shm_mq and worker_spi.  Note that I have not added tests for
> test_shm_mq as it may be possible that the two events (for the
> bgworker startup and for a message to be queued) are never reached
> depending on the timing.  I'll handle the rest tomorrow, with likely
> some adjustments to the tests.  (I may as well just remove them, this
> API is already covered by worker_spi.)

After sleeping on it, I've taken the decision to remove the tests.  As
far as I have tested, this was stable, but this does not really
improve the test coverage as WaitEventExtensionNew() is covered in
worker_spi.  I have done tweaks to the docs and the variable names,
and applied that into its own commit.

Note as well that the docs of dblink were wrong for DblinkGetConnect:
the wait event could be seen in other functions than dblink() and
dblink_exec().
--
Michael