Re: Pluggable Storage - Andres's take

From: Andres Freund <andres(at)anarazel(dot)de>
To: Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>
Cc: Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Asim R P <apraveen(at)pivotal(dot)io>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Ashwin Agrawal <aagrawal(at)pivotal(dot)io>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Subject: Re: Pluggable Storage - Andres's take
Date: 2019-04-02 19:29:37
Message-ID: 20190402192937.srxjumtvwo2sjmfa@alap3.anarazel.de
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Hi,

On 2019-04-02 17:11:07 +1100, Haribabu Kommi wrote:

> + <varlistentry id="guc-default-table-access-method" xreflabel="default_table_access_method">
> + <term><varname>default_table_access_method</varname> (<type>string</type>)
> + <indexterm>
> + <primary><varname>default_table_access_method</varname> configuration parameter</primary>
> + </indexterm>
> + </term>
> + <listitem>
> + <para>
> + The value is either the name of a table access method, or an empty string
> + to specify using the default table access method of the current database.
> + If the value does not match the name of any existing table access method,
> + <productname>PostgreSQL</productname> will automatically use the default
> + table access method of the current database.
> + </para>

Hm, this doesn't strike me as right (there's no such thing as "default
table access method of the current database"). You just get an error in
that case. I think we should simply not allow setting to "" - what's the
point in that?

Greetings,

Andres Freund

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