Horton

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: 2019-05-21T17:41:02Z
Lists: pgsql-hackers, pgsql-general 
=?UTF-8?Q?Fabr=C3=ADzio_de_Royes_Mello?= <fabrizio@timbira.com.br> writes:
> As I said before to change system catalog you should set
> "allow_system_table_mods=on" and restart PostgreSQL service.
> After that you'll able to recreate the "pg_catalog.pg_publication_tables"
> system view. (You can use the Tom's suggestion using LATERAL)

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.

			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.