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

Masahiro Ikeda <ikedamsh@oss.nttdata.com>

From: Masahiro Ikeda <ikedamsh@oss.nttdata.com>
To: Michael Paquier <michael@paquier.xyz>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2023-10-06T02:02:18Z
Lists: pgsql-hackers
On 2023-10-05 10:28, Michael Paquier wrote:
> 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().

Thanks for modifying and committing. I agree your comments.

Regards,
-- 
Masahiro Ikeda
NTT DATA CORPORATION



Commits

  1. dblink: Replace WAIT_EVENT_EXTENSION with custom wait events

  2. postgres_fdw: Replace WAIT_EVENT_EXTENSION with custom wait events

  3. test_shm_mq: Replace WAIT_EVENT_EXTENSION with custom wait events

  4. worker_spi: Rename custom wait event to "WorkerSpiMain"