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From: Paul Foerster <[email protected]>
To: Adrian Klaver <[email protected]>
Cc: pgsql-general list <[email protected]>
Subject: Re: libc to libicu via pg_dump/pg_restore?
Date: Thu, 13 Feb 2025 17:17:58 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>

Hi Adrian,

sorry for the late answer. I'm just too busy.

> On 7 Feb 2025, at 17:19, Adrian Klaver <[email protected]> wrote:
> 
>> With create database <options> being "template template0", this is what my script does. But I need the -cC options for pg_restore to get ACLs back. Leaving out either one of them will not get me the ACLs back.
> 
> That does not make sense.
> 
> Are there ACLs(privileges) in the database at all?
> 
> What is the pg_dump command you are running?

I use this pg_dump command:

pg_dump -Fc -Z1 --quote-all-identifiers -b "${PGDATABASE}" -f ${dumpBase}/${clusterName}.${PGDATABASE}.dump.gz >${PGDATABASE}.out 2>${PGDATABASE}.err &

The command is embedded in a Bash script for loop that loops PGDATABASE over all database names inside the cluster and launches pg_dump as a background job. It then waits for all jobs to complete ("wait" command). dumpBase is just the destination directory.

If I don't use -cC, i.e. both, then the Access privileges will not be restored. Checking with \l just shows an empty field as usual for a newly created database. This happens at least with 17.2. I didn't check that with 17.3 yet.

I agree, from how I understood the docs I should be able to only use -C and not -c.

As for the data inconsistency, PostgreSQL is right. I found out that some clever person did a "alter table … disable trigger all" on a table and then manipulated data. That broke referential integrity. So, this case is closed.

Cheers,
Paul

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