Re: constraint exclusion with ineq condition (Re: server hardware tuning.)

What are these two tables partitioned by?

On Thu, Feb 14, 2019, 5:03 AM suganthi Sekar <suganthi(at)uniphore(dot)com wrote:

> Hi,
>
> Thanks, i know if explicitly we give in where condition it is working.
>
> i thought with below parameter in Postgresq11 this issue is fixed ?
>
> * enable_partitionwise_join to 'on';*
>
> * what is the use of enable_partitionwise_join to 'on';*
>
> *Thanks for your response.*
>
> *Regards*
> *Suganthi Sekar*
> ------------------------------
> *From:* Justin Pryzby <pryzby(at)telsasoft(dot)com>
> *Sent:* 14 February 2019 16:10:01
> *To:* suganthi Sekar
> *Cc:* pgsql-performance(at)lists(dot)postgresql(dot)org
> *Subject:* Re: constraint exclusion with ineq condition (Re: server
> hardware tuning.)
>
> On Thu, Feb 14, 2019 at 10:38:36AM +0000, suganthi Sekar wrote:
> > u mean the below parameter need to set on . its already on only.
> > alter system set constraint_exclusion to 'on';
>
> No, I said:
> > You can work around it by specifying the same condition on
> b.call_created_date:
> > > AND b.call_created_date >='2017-11-01' AND
> b.call_created_date<'2017-11-30'
>