Re: pg_relation_size on partitioned table

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Japin Li <japinli(at)hotmail(dot)com>
Cc: "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: pg_relation_size on partitioned table
Date: 2022-03-26 06:05:46
Message-ID: Yj6tOqsJGGlQJ/vi@paquier.xyz
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On Fri, Mar 25, 2022 at 08:52:40PM +0800, Japin Li wrote:
> Could we provide a function to get the total size of the partition table
> though the partitioned table name? Maybe we can extend
> the pg_relation_size() to get the total size of partition tables through
> the partitioned table name.

There are already many replies on this thread, but nobody has
mentioned pg_partition_tree() yet, so here you go. You could use that
in combination with pg_relation_size() to get the whole size of a tree
depending on your needs.
--
Michael

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