Re: constraint exclusion with ineq condition (Re: server hardware tuning.) - Mailing list pgsql-performance

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

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From: Justin Pryzby <pryzby@telsasoft.com>
Sent: 14 February 2019 16:10:01
To: suganthi Sekar
Cc: pgsql-performance@lists.postgresql.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'