Excerpts from Dimitri Fontaine's message of mar mar 06 18:44:18 -0300 2012:
> Josh Berkus <j...@agliodbs.com> writes:
> > Activity and discretion beyond that could be defined in PL code,
> > including run/don't run conditions, activities, and dependancies.  The
> > only thing Postgres doesn't currently have is a clock which fires
> > events.  Anything we try to implement which is more complex than the
> > above is going to not work for someone.  And the pg_agent could be
> > adapted easily to use the Postgres clock instead of cron.
> 
> Oh, you mean like a ticker?  If only we knew about a project that did
> implement a ticker, in C, using the PostgreSQL licence, and who's using
> it in large scale production.  While at it, if such a ticker could be
> used to implement job queues…
> 
>   https://github.com/markokr/skytools/tree/master/sql/ticker

Why do we need a ticker?  Just fetch the time of the task closest in the
future, and sleep till that time or a notify arrives (meaning schedule
change).

-- 
Álvaro Herrera <alvhe...@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

-- 
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers

Reply via email to