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From: Justin Pryzby <pryzby@telsasoft.com>
To: Andreas Joseph Krogh <andreas@visena.com>
Cc: pgsql-performance@lists.postgresql.org
Subject: Re: simple query running for ever
Date: Tue, 16 Jun 2020 17:33:30 -0500
Message-ID: <20200616223330.GL20404@telsasoft.com> (raw)
In-Reply-To: <VisenaEmail.75.e9daa0e3fd342c43.172bf2e861a@tc7-visena>
References: <574079062.1873527.1592339731136.ref@mail.yahoo.com>
	<574079062.1873527.1592339731136@mail.yahoo.com>
	<20200616220526.GK20404@telsasoft.com>
	<VisenaEmail.75.e9daa0e3fd342c43.172bf2e861a@tc7-visena>

On Wed, Jun 17, 2020 at 12:10:37AM +0200, Andreas Joseph Krogh wrote:
> På onsdag 17. juni 2020 kl. 00:05:26, skrev Justin Pryzby <pryzby@telsasoft.com>: 
> On Tue, Jun 16, 2020 at 08:35:31PM +0000, Nagaraj Raj wrote:
>  > I wrote a simple query, and it is taking too long, not sure what is wrong in it, even its not giving EXPLAIN ANALYZE.
>  >
>  > from "cms_prospects".PROSPECT T0
>  > left join "cms_prospects".INDIVIDUAL_DEMOGRAPHIC T2 on T0."individual_entity_proxy_id" = T2."individual_entity_proxy_id"
> 
>  Pardon me for saying so, but this query seems silly.
> 
>  It's self-joining a table on its PK, which I don't think could ever be useful.
> 
> Where is the self-join? 

Sorry, I misread.

I see now that "cms_prospects" refers to the database.

-- 
Justin





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