| From: | Michael Paquier <michael(at)paquier(dot)xyz> |
|---|---|
| To: | Amit Langote <amitlangote09(at)gmail(dot)com> |
| Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, mathias(at)brossard(dot)org, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: ToDo: show size of partitioned table |
| Date: | 2018-10-30 13:48:55 |
| Message-ID: | 20181030134854.GA2266@paquier.xyz |
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| Lists: | pgsql-hackers |
On Tue, Oct 30, 2018 at 09:24:01PM +0900, Amit Langote wrote:
>> It is based on Mathias's patch. Although we can use
>> pg_partition_tree on PostgreSQL, we still should to support
>> PostgreSQL 10, 11 where this function is not available
>
> Ah, I forgot that psql will need to consider 10 and 11 servers too.
+ /* PostgreSQL 11 has pg_partition_tree function */
That's v12 here.
+ appendPQExpBuffer(&buf,
+ ",\n (SELECT pg_catalog.pg_size_pretty(sum(pg_catalog.pg_table_size("
+ "relid)))\n"
+ " FROM pg_partition_tree(c.oid)) AS \"%s\""
You need to do schema qualification for functions and relations.
--
Michael
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