Re: partition tree inspection functions

Jeevan Ladhe <jeevan.ladhe@enterprisedb.com>

From: Jeevan Ladhe <jeevan.ladhe@enterprisedb.com>
To: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Cc: Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2018-06-26T07:54:16Z
Lists: pgsql-hackers
Hi Amit,

On Tue, Jun 26, 2018 at 1:07 PM, Amit Langote <Langote_Amit_f8@lab.ntt.co.jp
> wrote:

> On 2018/06/26 14:08, Amit Langote wrote:
> > Hi.
> >
> > As discussed a little while back [1] and also recently mentioned [2],
> here
> > is a patch that adds a set of functions to inspect the details of a
> > partition tree.  There are three functions:
> >
> > pg_partition_parent(regclass) returns regclass
> > pg_partition_root_parent(regclass) returns regclass
> > pg_partition_tree_tables(regclass) returns setof regclass
> >
>

I quickly tried applying your patch. Created couple of tables,
subpartitions with
mix of range and list partitions, and I see these 3 functions are working as
documented.

Also, the patch does not have any 'make check' failures.

I will do the further code review and post if any comments.

Regards,
Jeevan Ladhe

Commits

  1. Add pg_partition_tree to display information about partitions