Re[2]: Async_Notify
От | Арсен Арутюнян |
---|---|
Тема | Re[2]: Async_Notify |
Дата | |
Msg-id | 1576236621.238859707@f116.i.mail.ru обсуждение исходный текст |
Ответ на | Re: Async_Notify (Pavel Stehule <pavel.stehule@gmail.com>) |
Список | pgsql-hackers |
I'm trying to send a notification from the PG extension directly.
It turns out the mechanism that is used in the async file. (Async_Notify) does not suit me since the function uses oldcontext = MemoryContextSwitchTo (CurTransactionContext); and MemoryContextSwitchTo (oldcontext);
And I did not find the ability to add notification except the Async_Notify function.
And I did not find the ability to add notification except the Async_Notify function.
Now only SPI_execute works ("NOTIFY chanel,’message’", false, 0);
P.S. In my extension, there is already a higher function started with oldcontext = MemoryContextSwitchTo (CurTransactionContext); and MemoryContextSwitchTo (oldcontext);
Пятница, 13 декабря 2019, 12:19 +03:00 от Pavel Stehule <pavel.stehule@gmail.com>:
Hipá 13. 12. 2019 v 10:00 odesílatel Арсен Арутюнян <arutar@bk.ru> napsal:Hello! I wrote my extension for PG and am trying to run Async_Notify from it. But messages come very late! Sometimes only after I execute the notify command from the shell. What am I doing wrong? How to use Async_Notify correctly.I am not sure what mechanism do you use.Notify messages are send after successful end of transaction.RegardsPavel--
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