On 02/11/2015 01:47 PM, Daniel LaMotte wrote:
Here’s the situation:
| % psql --version
psql (PostgreSQL) 9.3.5
% postgres --version
postgres (PostgreSQL) 9.3.5
% psql mydatabase
create table mytable_is_readonly (id uuid primary key, text text not null);
create table mytable_is_not_readonly (id uuid primary key, text text not null);
create user readonly with password 'readonly';
grant select on mytable_is_readonly to readonly;
% psql mydatabase readonly
\d mytable_is_readonly
Table "public.mytable_is_readonly"
Column │ Type │ Modifiers
────────┼─────────┼──────────────────────────────────────────────────────────────────
id │ integer │ not null default nextval('mytable_is_readonly_id_seq'::regclass)
text │ text │ not null
Indexes:
"mytable_is_readonly_pkey" PRIMARY KEY, btree (id)
\d mytable_is_not_readonly
Table "public.mytable_is_not_readonly"
Column │ Type │ Modifiers
────────┼─────────┼──────────────────────────────────────────────────────────────────────
id │ integer │ not null default nextval('mytable_is_not_readonly_id_seq'::regclass)
text │ text │ not null
Indexes:
"mytable_is_not_readonly_pkey" PRIMARY KEY, btree (id)
% pg_dump -U readonly mydatabase --schema-only --table=mytable_is_readonly
... this outputs and works
% pg_dump -U readonly mydatabase --schema-only --table=mytable_is_not_readonly
pg_dump: [archiver (db)] query failed: ERROR: permission denied for relation mytable_is_not_readonly
pg_dump: [archiver (db)] query was: LOCK TABLE public.mytable_is_not_readonly IN ACCESS SHARE MODE
|
Is this a bug? Or defined behavior that is expected? My use case is that
I have some tables that I don’t want to allow the readonly account to
access data in but want to allow it to see the schema of that table.
To me at least SELECT is accessing the data, so I am not sure that the
above meets your criteria in any case. I would do \dt+
mytable_is_not_readonly to see who has permissions on the table.
My
guess was that since it could see the schema interactively in psql, that
it should be allowed to pg_dump the table with schema only no problem.
Thanks for the help!
- Dan
--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx
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