The following bug has been logged on the website:
Bug reference: 14788
Logged by: Fujimoto Seiji
Email address: fujimoto@ceptord.net
PostgreSQL version: 9.6.4
Operating system: Linux 4.9.0 (Debian 9.1)
Description:
## How to reproduce
1. Create a new database:
$ createdb --template=template0 test $ psql -c '\dn+' test list of schemas name |
owner | access privileges | description --------+----------+----------------------+------------------------
public | postgres | postgres=uc/postgres+| standard public schema | | =uc/postgres | (1
row)
2. pg_dump the database with 'custom' format:
$ pg_dump -Fc -f test.dump test
3. Restore the dump with '-c' option:
$ pg_restore -c -d test test.dump
## Bug/Problem
Now all the access privileges on the public schema are gone:
$ psql -c '\dn+' test List of schemas Name | Owner | Access privileges |
Description --------+----------+-------------------+------------------------ public | postgres |
|standard public schema (1 row)
## Expected behabior
Granted privileges gets restored correctly.
## Additional notes
Interestingly, if the database has been dumped with '-c' option,
pg_restore
will restore the schema privileges correctly.
$ createdb --template=template0 test $ pg_dump -Fc -c -f test.dump $ pg_restore -c -d test test.dump $ psql
-c'\dn+' test List of schemas Name | Owner | Access privileges |
Description --------+----------+----------------------+------------------------ public | postgres |
postgres=UC/postgres+|standard public schema | | =UC/postgres | (1 row)
(I do not understand why '-c' option affects the custom format dump.
This behaviour itself contradicts what the documentation states)
> -c
> --clean
>
> ...
> This option is only meaningful for the plain-text format. For the
archive
> formats, you can specify the option when you call pg_restore.
>
> https://www.postgresql.org/docs/9.6/static/app-pgdump.html
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