Horton

Re: Re: Re: Refresh Publication takes hours and doesn´t finish

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Fabrízio de Royes Mello <fabrizio@timbira.com.br>
Cc: PegoraroF10 <marcos@f10.com.br>, Postgres General <pgsql-general@postgresql.org>
Date: 2019-05-21T18:27:33Z
Lists: pgsql-hackers, pgsql-general 
=?UTF-8?Q?Fabr=C3=ADzio_de_Royes_Mello?= <fabrizio@timbira.com.br> writes:
> Em ter, 21 de mai de 2019 às 14:41, Tom Lane <tgl@sss.pgh.pa.us> escreveu:
>> It's a view, not a table, so I don't think you need
>> allow_system_table_mods.  A quick test here says that being
>> superuser is enough to do a CREATE OR REPLACE VIEW on it.

> Interesting, I tried the following commands and got error:

Oh, huh, this is something that changed recently in HEAD ---
since commit 2d7d946cd, stuff created by system_views.sql
is not protected as though it were a system catalog.

So in released versions, yes you need allow_system_table_mods=on.
Sorry for the misinformation.

			regards, tom lane

Commits

  1. Fix O(N^2) performance issue in pg_publication_tables view.

  2. Clean up the behavior and API of catalog.c's is-catalog-relation tests.