Horton

Re: pg_partition_tree crashes for a non-defined relation

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>, Alvaro Herrera <alvherre@2ndquadrant.com>, Stephen Frost <sfrost@snowman.net>, Postgres hackers <pgsql-hackers@postgresql.org>
Date: 2019-03-02T09:21:54Z
Lists: pgsql-hackers 
On Fri, Mar 01, 2019 at 11:38:20AM -0500, Tom Lane wrote:
> Right, while you'd get zero rows out for a non-partitioned table.
> WFM.

Exactly.  I have committed a patch doing exactly that, and I have
added test cases with a partitioned table and a partitioned index
which have no partitions. 
--
Michael

Commits

  1. Test partition functions with legacy inheritance children, too

  2. Consider only relations part of partition trees in partition functions

  3. Make pg_partition_tree return no rows on unsupported and undefined objects

  4. Tweak pg_partition_tree for undefined relations and unsupported relkinds