| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | Suresh Raja <suresh(dot)rajaabc(at)gmail(dot)com> |
| Cc: | "pgsql-general(at)postgresql(dot)org >> PG-General Mailing List" <pgsql-general(at)postgresql(dot)org>, postgres list <pgsql-sql(at)postgresql(dot)org> |
| Subject: | Re: check if the same function is already running, then exit! |
| Date: | 2015-01-26 20:01:48 |
| Message-ID: | CAFj8pRBQe6zcmnXpbB0wmVyGR4NDZ5j06Bi9z6j=93wSBGHSug@mail.gmail.com |
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| Lists: | pgsql-general pgsql-sql |
Hi
you can use a advisory locks for singleton implementation
http://www.postgresql.org/docs/9.4/static/functions-admin.html#FUNCTIONS-ADVISORY-LOCKS
Regards
Pavel
2015-01-26 20:58 GMT+01:00 Suresh Raja <suresh(dot)rajaabc(at)gmail(dot)com>:
> Before running a running a function, i would check only 1 instance is
> running. If alreaady a function is running, the existing function should
> exist with the msg that already a function with same is running.
>
> If somebody has already used such a faeture, can u please share or
> Can you tell me the table and column from which I could this info.
>
> Thanks,
>
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