Re: scheduler in core

>
> pg_job (
>    oid                -- use the oid as pk
>    jobname
>    jobdatoid       -- job database oid
>    jobowner       -- for permission's checking
>    jobstarttime   -- year to minute
>    jobfrequency  -- an interval?
>    jobnexttime or joblasttime
>    jobtype          -- if we are going to allow plain sql or
> executable/shell job types
>    jobexecute or jobscript
> )
>
> comments about the catalog?
>

+ success_action
+failure_action

>
> An API for filling the catalog
> -----------------------------------------
> do we want a CREATE JOB SQL synatx? FWIW, Oracle uses functions to
> create/remove jobs.
>
>
> An scheduler daemon
> --------------------------------
> I think we can use 8.3's autovacuum daemon as a reference for this...
> AFAIK, it's a child of postmaster that sleep for $naptime and then
> looks for something to do (it also looks in a
> catalog) and the send a worker to do it
> that's what we need to do but...
>
> for the $naptime i think we can autoconfigure it, when we execute a
> job look for the next job in queue and sleep
> until we are going to reach the time to execute it
>
> i don't think we need a max_worker parameter, it should launch as many
> workers as it needs
>
>
> pg_dump support
> --------------------------
> dump every entry of the pg_job catalog as a CREATE JOB SQL statement
> or a create_job() function depending
> on what we decided
>
> ideas? comments?
>
> --
> Atentamente,
> Jaime Casanova
> Soporte y capacitación de PostgreSQL
> Asesoría y desarrollo de sistemas
> Guayaquil - Ecuador
> Cel. +59387171157
>
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