Re: pg_dump schema in pg11 without global permissions

On Tue, 2019-07-23 at 15:52 -0700, Adrian Klaver wrote:
> On 7/23/19 3:42 PM, Sergey Koposov wrote:
> >
> > On Tue, 2019-07-23 at 15:37 -0700, Adrian Klaver wrote:
> > >
> > > On 7/23/19 3:23 PM, Sergey Koposov wrote:
> > > >
> > > >
> > > > On Tue, 2019-07-23 at 15:21 -0700, Adrian Klaver wrote:
> > > > >
> > > > >
> > > > > On 7/23/19 3:19 PM, Sergey Koposov wrote:
> > > > > >
> > > > > >
> > > > > >
> > > > > > Hi,
> > > > > >
> > > > > > I'm trying to copy a schema from one PG database (ver 11) to PG 10.
> > > > > > Previously the first database version was 9.6 and the way I did the copying was
> > > > > >
> > > > > > ssh -o Compression=no user(at)host '/opt/pgsql/bin/pg_dump --no-tablespaces -n schemaname -Fc  -U dbadmin dbname'  | pg_restore -U dbadmin -h localhost -1 -d dbnme
> > > > > >
> > > > > > However after migrating from PG 9.6 to 11, when I did the same thing as before, I started getting a bunch of commands in the dump like this
> > > > > >
> > > > > > GRANT CONNECT ON DATABASE dbname TO usernameXX;
> > > > > >
> > > > > > which don't work for me because the list of users is different between different machines.
> > > > > > It is clear that the change is related to the way pg_dump is implemented now in PG11 that global objects are dumped.
> > > > > > But the question is how do I duplicate the previous behaviour, i.e. Dump just the schema and permission on the schema, not on the database.
> > > > > https://www.postgresql.org/docs/11/app-pgdump.html
> > > > >
> > > > > -x
> > > > > --no-privileges
> > > > > --no-acl
> > > > >
> > > > >        Prevent dumping of access privileges (grant/revoke commands).
> > > > Yes I saw that, but that will not dump privileges on the schema itself, which were dumped before as far as I understand ...
> > > So the roles for the schema don't change, but everything else does?
> > The schema permissions are granted to a generic user 'dbuser'. And a bunch of users are members of this role and that's how they access the schema.
> > The database permissions on the other hand are granted specifically per individual user.
> What version of pg_dump are you using?
>
> When I dump a version 10 database using a version 11 pg_dump I do not 
> see: GRANT CONNECT ON DATABASE
>
> pg_dump -Fc -n utility  -s -d production -U postgres -p 5422 -f 
> schema_test.out
>
> pg_restore -f schema_test_fc.sql schema_test.out

I'm dumping version 11 database using version 11 pg_dump. I double checked this. 

I don't know if in your test-case you have custom users whom you granted connect permissions. I do have them. 
Also what I'm seeing matches perfectly the release notes on pgdump which explicitely mention dumping of the global properties. 
 https://www.postgresql.org/docs/11/release-11.html#id-1.11.6.9.4

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