Support event trigger for logoff

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    japinli@hotmail.com2024-04-19T15:46:30+00:00
    Hi, hackers I see [1] has already implemented on login event trigger, why not implement the logoff event trigger? My friend Song Jinzhou and I try to implement the logoff event trigger, so attach it. Here is a problem with the regression test when using \c to create a new session, because it might be running concurrently, which may lead to the checking being unstable. Any thoughts? [1] https://www.postgresql.org/message-id/0d46d29f-4558-3af9-9c85-7774e14a7709%40postgrespro.ru -- Regards, Japin Li
    • Jump to comment-1
      tgl@sss.pgh.pa.us2024-04-19T17:36:55+00:00
      Japin Li <japinli@hotmail.com> writes: > I see [1] has already implemented on login event trigger, why not implement > the logoff event trigger? What happens if the session crashes, or otherwise fails unexpectedly? > Here is a problem with the regression test when using \c to create a new > session, because it might be running concurrently, which may lead to the > checking being unstable. > Any thoughts? Let's not go there at all. I don't think there's enough field demand to justify dealing with this concept. regards, tom lane
      • Jump to comment-1
        japinli@hotmail.com2024-04-22T13:24:49+00:00
        On Sat, 20 Apr 2024 at 01:36, Tom Lane <tgl@sss.pgh.pa.us> wrote: > Japin Li <japinli@hotmail.com> writes: >> I see [1] has already implemented on login event trigger, why not implement >> the logoff event trigger? > > What happens if the session crashes, or otherwise fails unexpectedly? > I am currently unsure how to handle such situations, but I believe it is not only for logoff events. >> Here is a problem with the regression test when using \c to create a new >> session, because it might be running concurrently, which may lead to the >> checking being unstable. > >> Any thoughts? > > Let's not go there at all. I don't think there's enough field > demand to justify dealing with this concept. > Thanks for your point out this for me. -- Regards, Japin Li