Re: Immutable function WAY slower than Stable function? - Mailing list pgsql-general

From Adrian Klaver
Subject Re: Immutable function WAY slower than Stable function?
Date
Msg-id 42b63be3-fb79-dc35-3c96-09fc1602b7e0@aklaver.com
Whole thread Raw
In response to Re: Immutable function WAY slower than Stable function?  (Ken Tanzer <ken.tanzer@gmail.com>)
List pgsql-general
On 08/06/2018 04:44 PM, Ken Tanzer wrote:
> On Mon, Aug 6, 2018 at 4:36 PM Adrian Klaver <adrian.klaver@aklaver.com 
> <mailto:adrian.klaver@aklaver.com>> wrote:
> 
> 
>     What is the definition for target_date()?
> 
> 
> Hi Adrian.  Happy to provide this info.  Though on a side note, I don't 
> understand why it should matter, if functions are black box optimization 

Black boxes the bane of my existence, different field, control 
circuits:) My interest was because you are chaining functions and a 
chain is only as strong as it's weakest link. From the surface I am not 
seeing anything, will need to mull it over a bit.

> fences.  But here are the definitions:
> 

-- 
Adrian Klaver
adrian.klaver@aklaver.com


pgsql-general by date:

Previous
From: Ken Tanzer
Date:
Subject: Re: Immutable function WAY slower than Stable function?
Next
From: Tom Lane
Date:
Subject: Re: Immutable function WAY slower than Stable function?