Re: Index-only quals

From: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To: Greg Stark <gsstark(at)mit(dot)edu>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Index-only quals
Date: 2009-08-21 12:27:54
Message-ID: 4A8E92CA.7000604@enterprisedb.com
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Greg Stark wrote:
> It looks like right now if an indexam has amregurgitate
> set but not amhasgettuple then weird things could happen.

The combination (amregurgitate && !amhasgettuple) makes no sense, BTW.
If an indexam has no gettuple function, there's no way it can return
data from the index.

--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com

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