| From: | Mahendra Singh Thalor <mahi6run(at)gmail(dot)com> |
|---|---|
| To: | tushar <tushar(dot)ahuja(at)enterprisedb(dot)com> |
| Cc: | jian he <jian(dot)universality(at)gmail(dot)com>, Vaibhav Dalvi <vaibhav(dot)dalvi(at)enterprisedb(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Non-text mode for pg_dumpall |
| Date: | 2026-01-27 15:40:50 |
| Message-ID: | CAKYtNArc3j8Akb+nB1QyJLKic7ej7vKZqKnv_mbB+iQAJRzLnA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, 23 Jan 2026 at 19:07, tushar <tushar(dot)ahuja(at)enterprisedb(dot)com> wrote:
>
>
>
> On Fri, Jan 23, 2026 at 12:21 PM tushar <tushar(dot)ahuja(at)enterprisedb(dot)com> wrote:
>>
>>
>> Thanks Mahendra, a minor observation - The pg_restore output shows a double slash in the map.dat path (e.g., abc.tar//map.dat).
>> While it doesn't break the restore, we may want to clean up the path joining logic.
>>
>> [edb(at)1a1c15437e7c bin]$ ./pg_restore -Ft -C abc.tar/ -d postgres -p 9011 -U ed -v
>> pg_restore: found database "template1
>> " (OID: 1) in file "abc.tar//map.dat"
>> pg_restore: found database "postgres
>> " (OID: 5) in file "abc.tar//map.dat"
>>
>>
>
> Please refer to this scenario where - Objects created under template1 and the postgres database by a specific user are failing during a cross-cluster restore.
> When restoring to a new cluster as a different superuser, pg_restore throws the error: ERROR: role "edb" does not exist.
> It appears the restore is attempting to preserve the original ownership of template1 objects even when the target environment lacks those specific roles.
>
> Steps to reproduce:
> initdb ( ./initdb -U edb -D data) , start the server , connect to postgres and template1 database one by one and create
> this table ( create table test(n int); )
> perform pg_dumpall operation ( ./pg_dumpall -Ft -f abc.tar)
> initdb (./initdb -U xyz) , start the server , create a database ( create database abc;)
> perform pg_restore operation ( ./pg_restore -Ft -C abc.tar/ -d postgres -p 9033 -U xyz)
> --getting an error, table 'test' will be created on 'template1' database but failed to create on an another database ( in this case - 'abc' database)
>
> regards,
Hi,
Here I am attaching an updated patch for the review and testing.
Thanks Jian for the reporting rebase issue.
--
Thanks and Regards
Mahendra Singh Thalor
EnterpriseDB: http://www.enterprisedb.com
| Attachment | Content-Type | Size |
|---|---|---|
| v15_27012026-Non-text-modes-for-pg_dumpall-correspondingly-change.patch | application/octet-stream | 90.5 KB |
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