From: | Markus Schiltknecht <markus(at)bluegap(dot)ch> |
---|---|
To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
Cc: | NikhilS <nikkhils(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Auto Partitioning |
Date: | 2007-04-04 16:33:05 |
Message-ID: | 4613D341.9020708@bluegap.ch |
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Lists: | pgsql-hackers pgsql-patches |
Hi,
Simon Riggs wrote:
> Most high volume tables are Fact tables with potentially more than 1 row
> per Object/Dimension, so the unique index isn't appropriate in those
> cases.
>
> When partitioning a Major Entity its much easier to regard the PK as the
> partitioning key + unique key, which is frequently possible, even if it
> does break the exhortation against intelligent keys.
Okay, so you are saying that a general purpose multi-table index isn't
needed, but instead something based on the partitioning rule set and the
per table indexes should be sufficient for the vast majority of cases?
Regards
Markus
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