pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Craig Ringer <ringerc@ringerc.id.au>
To: Eyal Wilde <eyal@impactsoft.co.il>
Cc: pgsql-performance@postgresql.org
Subject: Re: index-only scan is missing the INCLUDE feature
Date: Wed, 20 Jun 2012 22:11:05 +0800
Message-ID: <4FE1D9F9.1020805@ringerc.id.au> (raw)
In-Reply-To: <CAMiEbcjxN7cRYGtRMZuxEoztEOMB4us+pSdanwSkRY=ocJiQ8Q@mail.gmail.com>
References: <CAMiEbcjxN7cRYGtRMZuxEoztEOMB4us+pSdanwSkRY=ocJiQ8Q@mail.gmail.com>

On 06/20/2012 12:46 PM, Eyal Wilde wrote:
> Hi all,
>
> as far as i looked around about the new feature: index-only scan, i 
> guess this feature will not include the option such as ms-sql INCLUDE.
>
For those of us who don't know MS-SQL, can you give a quick explanation 
of what the INCLUDE keyword in an index definition is expected to do, or 
some documentation references? It's possible to guess it somewhat from 
your description, but it's helpful to be specific when asking a question 
about features from another DBMS.

--
Craig Ringer

view thread (5+ messages)  latest in thread

Message-ID: <4FE1D9F9.1020805@ringerc.id.au>
Permalink:  ../4FE1D9F9.1020805@ringerc.id.au/
Also on:    postgresql.org/message-id/4FE1D9F9.1020805@ringerc.id.au

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-performance@postgresql.org
  Cc: ringerc@ringerc.id.au, eyal@impactsoft.co.il
  Subject: Re: index-only scan is missing the INCLUDE feature
  In-Reply-To: <4FE1D9F9.1020805@ringerc.id.au>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox