Re: refresh materialized view concurrently

From: Kevin Grittner <kgrittn(at)ymail(dot)com>
To: Nicolas Barbier <nicolas(dot)barbier(at)gmail(dot)com>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>
Cc: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: refresh materialized view concurrently
Date: 2013-06-17 15:21:13
Message-ID: 1371482473.75331.YahooMailNeo@web162904.mail.bf1.yahoo.com
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Nicolas Barbier <nicolas(dot)barbier(at)gmail(dot)com> wrote:
> 2013/6/17 Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>:

>
>> +                                errmsg("concurrent refresh requires a
>> unique index on just columns for all rows of the materialized view")));
>
> Maybe my english is failing me here, but I don’t understand the “just” part.

It means that the index must not use any expressions in the list of
what it's indexing on -- only column names.  Suggestions for better
wording would be welcome.

--
Kevin Grittner
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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