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Grant All on All tabes in schema?

irl last edited by
I have a question about grants...

I ran the following command, assuming it would allow me to make any changes to the tables in the public schema:
```
grant all on all tables in schema public to User1;
```
However, when I try to add a new column I still get the error message below:
```
ERROR:  must be owner of table Tab1
```
I guess I'm just a little misinformed on the purpose of the grant all on all command, and how can I refine this to allow a user to add columns to a table without changing ownership?
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inna last edited by

Right. You cannot GRANT the right to ALTER or DROP a table. Only the table owner or a superuser can do that.

https://www.postgresql.org/docs/current/ddl-priv.html describes that:

The right to modify or destroy an object is inherent in being the object's owner, and cannot be granted or revoked in itself. (However, like all privileges, that right can be inherited by members of the owning role; see https://www.postgresql.org/docs/current/role-membership.html )
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You can define event triggers on many DDL events, but there is no event trigger for CREATE DATABASE. This means you will have to include the access rights in the database definition. From this point, there are two ways: one is again event triggers, the other is setting default privileges for the different object types you have. I prefer the latter in any case, for being much cleaner (objects and privileges are defined the same way, that is easy to grasp for developers and other humans, too). For an example how it could work, see one of my older answers, and there the ALTER DEFAULT PRIVILEGES bits. It's about tables, but you can easily generalize it to other object types.
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Your ALTER DEFAULT PRIVILEGES needs to be for the role who will be creating the schema, so it needs to be FOR ROLE other_role.
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It seems that pg_stat_database is thoroughly described in the manual. As to the increasing xact_commit. You might be have AUTOCOMMIT=on. PostgreSQL will always run all your queries in a transaction. In case AUTOCOMMIT=on, COMMIT will issued after each statement executed. In your case you have 2 statements: previous SELECT * FROM pg_stat_database; your test statement, like SELECT 1 You might try the following scenario: open 2 sessions, S1 and S2; S1: SET autocommit TO off; S1: SELECT * FROM pg_stat_database; S1: SELECT * FROM pg_stat_database; S2: SELECT 1; S1: SELECT * FROM pg_stat_database; S2: SET autocommit TO off; S2: SELECT 1; S1: SELECT * FROM pg_stat_database; You can continue playing around yourself.
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Create a group, which means a ROLE with NOLOGIN. CREATE ROLE api_group NOLOGIN; Create (or drop first if you want) your database. And then connect to that database. CREATE DATABASE new_db; \c new_db Add default privileges for your group. The code below says if postgres role creates an object grant ALL to the role api_group. Instead of ALL you can be more specific (e.g. SELECT, INSERT, USAGE etc). ALTER DEFAULT PRIVILEGES FOR ROLE postgres ALL ON TABLES TO api_group ; ALTER DEFAULT PRIVILEGES FOR ROLE postgres ALL ON SEQUENCES TO api_group ; ALTER DEFAULT PRIVILEGES FOR ROLE postgres GRANT ALL ON FUNCTIONS TO api_group ; ALTER DEFAULT PRIVILEGES FOR ROLE postgres GRANT ALL ON TYPES TO api_group ; ALTER DEFAULT PRIVILEGES FOR ROLE postgres GRANT ALL ON SCHEMAS TO api_group ; Now you can use postgres user to create new objects. CREATE TABLE addresses ( address_id INTEGER, address_line_1 VARCHAR(50) NOT NULL, address_line_2 VARCHAR(50), city VARCHAR(50) NOT NULL, state VARCHAR(2) NOT NULL, zipcode VARCHAR(12) NOT NULL, PRIMARY KEY (address_id) ); -- Create more objects.... The setup is ready. If you add new user (lets say) api even after you create all the objects the user will have all the privileges. The INHERIT keyword there is for inheriting the privileges of roles it is a member of. The codes below create 2 users as a member of api_group. CREATE ROLE api INHERIT WITH ENCRYPTED PASSWORD 'pwd' IN ROLE api_group; CREATE ROLE another_api INHERIT WITH ENCRYPTED PASSWORD 'pwd' IN ROLE api_group; Suggested sections of the documentation; ALTER DEFAULT PRIVILEGES CREATE ROLE
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Sorry to resurrect an old question Recently I have been using the 0xDBE DataGrip Database management tool by JetBrains. It supports multiple database engines, in the excellent Jetbrains IDE, and a key feature I have found useful is the ability to diff 2 tables (DEV and PROD). Below is a screenshot of the diff in action (in this case there is only one column difference). The screenshot is the result of the "Merge Right" button at the top, generating the SQL required to bring the right table up to scratch. Hope this new tool helps.
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I'm considering this issue as well. Another way to migrate schemas would be to use the meta-data on the RBDMS to get the difference between a source database (migrated, up-to-date) to a target database. There are "sql diff" libraries for this. A potential advantage of this over the migration strategies you list is that typical implementation migration change code is then SQL. The implementations I've seen of the numbered file/dependency-tracking file strategies you list above those are in application language code that will generate the SQL, but the SQL updates themselves is not versioned. This might make it opaque for database administrators. Another advantage of the sql diff approach might having this SQL diff might it easier to test on a staging database from the standpoint of DBA concerns like query performance, DDL locks, etc.
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If the information fits inside the record, go for it. But remember that there is a limit to it, if you limit the block to something like 1000 users, should be fine. When you are not in the position to define limits, then you should create another collection to handle this relation.
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That won't work for at least two reasons. The two rows are keyed alike, so only the 2nd will take affect. And those lines are not testing what the user is, they are commanding what the user will be. So connections coming in to pgbouncer for 'db1' will go to the real database as user 'usr2' (regardless of the specified incoming user) and as dbname 'data1' To do what you seem to want, you would need something like: [databases] db1 = dbname=data1 [users] usr1 = max_user_connections=10 usr2 = max_user_connections=20

Grant All on All tabes in schema?

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