Alexander Korotkov писал 2017-09-26 12:07:
> I propose following syntax options.
>
> WAITLSN lsn;
> WAITLSN lsn TIMEOUT delay;
> WAITLSN lsn INFINITE;
> WAITLSN lsn NOWAIT;
>
> For me that looks rather better. What do you think?
I agree with you, now syntax looks better.
New patch attached to tha mail.
Ants Aasma писал 2017-09-26 13:00:
> Exposing this interface as WAITLSN will encode that visibility order
> matches LSN order. This removes any chance of fixing for example
> visibility order of async/vs/sync transactions. Just renaming it so
> the token is an opaque commit visibility token that just happens to be
> a LSN would still allow for progress in transaction management. For
> example, making PostgreSQL distributed will likely want timestamp
> and/or vector clock based visibility rules.
I'm sorry I did not understand exactly what you meant.
Please explain this in more detail.
--
Ivan Kartyshov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company
--
Sent via pgsql-hackers mailing list ([email protected])
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers
