mirror of https://github.com/citusdata/citus.git
335 lines
11 KiB
PL/PgSQL
335 lines
11 KiB
PL/PgSQL
--
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-- MULTI_MULTIUSERS
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--
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-- Test user permissions.
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--
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SET citus.next_shard_id TO 1420000;
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SET citus.shard_replication_factor TO 1;
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CREATE TABLE test (id integer, val integer);
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SELECT create_distributed_table('test', 'id');
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CREATE TABLE test_coloc (id integer, val integer);
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SELECT create_distributed_table('test_coloc', 'id', colocate_with := 'test');
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SET citus.shard_count TO 1;
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CREATE TABLE singleshard (id integer, val integer);
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SELECT create_distributed_table('singleshard', 'id');
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-- turn off propagation to avoid Enterprise processing the following section
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CREATE USER full_access;
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CREATE USER usage_access;
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CREATE USER read_access;
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CREATE USER no_access;
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CREATE ROLE some_role;
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GRANT some_role TO full_access;
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GRANT some_role TO read_access;
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SET citus.enable_ddl_propagation TO off;
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GRANT ALL ON TABLE test TO full_access;
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GRANT SELECT ON TABLE test TO read_access;
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CREATE SCHEMA full_access_user_schema;
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REVOKE ALL ON SCHEMA full_access_user_schema FROM PUBLIC;
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GRANT ALL ON SCHEMA full_access_user_schema TO full_access;
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GRANT USAGE ON SCHEMA full_access_user_schema TO usage_access;
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SET citus.enable_ddl_propagation TO DEFAULT;
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\c - - - :worker_1_port
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GRANT ALL ON TABLE test_1420000 TO full_access;
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GRANT SELECT ON TABLE test_1420000 TO read_access;
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GRANT ALL ON TABLE test_1420002 TO full_access;
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GRANT SELECT ON TABLE test_1420002 TO read_access;
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\c - - - :worker_2_port
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GRANT ALL ON TABLE test_1420001 TO full_access;
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GRANT SELECT ON TABLE test_1420001 TO read_access;
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GRANT ALL ON TABLE test_1420003 TO full_access;
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GRANT SELECT ON TABLE test_1420003 TO read_access;
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\c - - - :master_port
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SET citus.shard_replication_factor TO 1;
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-- create prepare tests
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PREPARE prepare_insert AS INSERT INTO test VALUES ($1);
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PREPARE prepare_select AS SELECT count(*) FROM test;
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-- check full permission
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SET ROLE full_access;
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EXECUTE prepare_insert(1);
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EXECUTE prepare_select;
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INSERT INTO test VALUES (2);
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SELECT count(*) FROM test;
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SELECT count(*) FROM test WHERE id = 1;
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SET citus.enable_repartition_joins to ON;
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SELECT count(*), min(current_user) FROM test;
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-- test re-partition query (needs to transmit intermediate results)
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SELECT count(*) FROM test a JOIN test b ON (a.val = b.val) WHERE a.id = 1 AND b.id = 2;
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SET citus.enable_repartition_joins TO true;
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SELECT count(*) FROM test a JOIN test b ON (a.val = b.val) WHERE a.id = 1 AND b.id = 2;
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-- check read permission
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SET ROLE read_access;
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-- should be allowed to run commands, as the current user
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SELECT result FROM run_command_on_workers($$SELECT current_user$$);
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SELECT result FROM run_command_on_placements('test', $$SELECT current_user$$);
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SELECT result FROM run_command_on_colocated_placements('test', 'test_coloc', $$SELECT current_user$$);
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EXECUTE prepare_insert(1);
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EXECUTE prepare_select;
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INSERT INTO test VALUES (2);
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SELECT count(*) FROM test;
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SELECT count(*) FROM test WHERE id = 1;
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SET citus.enable_repartition_joins to ON;
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SELECT count(*), min(current_user) FROM test;
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-- test re-partition query (needs to transmit intermediate results)
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SELECT count(*) FROM test a JOIN test b ON (a.val = b.val) WHERE a.id = 1 AND b.id = 2;
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SET citus.enable_repartition_joins TO true;
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SELECT count(*) FROM test a JOIN test b ON (a.val = b.val) WHERE a.id = 1 AND b.id = 2;
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-- should not be allowed to take aggressive locks on table
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BEGIN;
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SELECT lock_relation_if_exists('test', 'ACCESS SHARE');
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SELECT lock_relation_if_exists('test', 'EXCLUSIVE');
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ABORT;
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-- test creating columnar tables and accessing to columnar metadata tables via unprivileged user
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-- all below 5 commands should throw no permission errors
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-- read columnar metadata table
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SELECT * FROM columnar.stripe;
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-- alter a columnar setting
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SET columnar.chunk_group_row_limit = 1050;
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-- create columnar table
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CREATE TABLE columnar_table (a int) USING columnar;
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-- alter a columnar table that is created by that unprivileged user
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ALTER TABLE columnar_table SET (columnar.chunk_group_row_limit = 2000);
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-- insert some data and read
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INSERT INTO columnar_table VALUES (1), (1);
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SELECT * FROM columnar_table;
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-- Fail to alter a columnar table that is created by a different user
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SET ROLE full_access;
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ALTER TABLE columnar_table SET (columnar.chunk_group_row_limit = 2000);
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-- Fail to reset a columnar table value created by a different user
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ALTER TABLE columnar_table RESET (columnar.chunk_group_row_limit);
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SET ROLE read_access;
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-- and drop it
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DROP TABLE columnar_table;
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-- cannot modify columnar metadata table as unprivileged user
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INSERT INTO columnar_internal.stripe VALUES(99);
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-- Cannot drop columnar metadata table as unprivileged user.
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-- Privileged user also cannot drop but with a different error message.
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-- (since citus extension has a dependency to it)
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DROP TABLE columnar_internal.chunk;
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SELECT * FROM columnar.chunk;
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-- test whether a read-only user can read from citus_tables view
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SELECT distribution_column FROM citus_tables WHERE table_name = 'test'::regclass;
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-- check no permission
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SET ROLE no_access;
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EXECUTE prepare_insert(1);
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EXECUTE prepare_select;
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INSERT INTO test VALUES (2);
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SELECT count(*) FROM test;
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SELECT count(*) FROM test WHERE id = 1;
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SET citus.enable_repartition_joins to ON;
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SELECT count(*), min(current_user) FROM test;
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-- test re-partition query
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SELECT count(*) FROM test a JOIN test b ON (a.val = b.val) WHERE a.id = 1 AND b.id = 2;
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SET citus.enable_repartition_joins TO true;
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SELECT count(*) FROM test a JOIN test b ON (a.val = b.val) WHERE a.id = 1 AND b.id = 2;
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-- should be able to use intermediate results as any user
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BEGIN;
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SELECT create_intermediate_result('topten', 'SELECT s FROM generate_series(1,10) s');
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SELECT * FROM read_intermediate_result('topten', 'binary'::citus_copy_format) AS res (s int) ORDER BY s;
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END;
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-- as long as we don't read from a table
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BEGIN;
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SELECT create_intermediate_result('topten', 'SELECT count(*) FROM test');
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ABORT;
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SELECT * FROM citus_stat_statements_reset();
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-- should not be allowed to co-located tables
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SELECT update_distributed_table_colocation('test', colocate_with => 'test_coloc');
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-- should not be allowed to take any locks
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BEGIN;
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SELECT lock_relation_if_exists('test', 'ACCESS SHARE');
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ABORT;
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BEGIN;
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SELECT lock_relation_if_exists('test', 'EXCLUSIVE');
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ABORT;
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-- table owner should be the same on the shards, even when distributing the table as superuser
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SET ROLE full_access;
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CREATE TABLE my_table (id integer, val integer);
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RESET ROLE;
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SELECT create_distributed_table('my_table', 'id');
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SELECT result FROM run_command_on_workers($$SELECT tableowner FROM pg_tables WHERE tablename LIKE 'my_table_%' LIMIT 1$$);
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-- table should be distributable by super user when it has data in there
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SET ROLE full_access;
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CREATE TABLE my_table_with_data (id integer, val integer);
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INSERT INTO my_table_with_data VALUES (1,2);
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RESET ROLE;
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SELECT create_distributed_table('my_table_with_data', 'id');
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SELECT count(*) FROM my_table_with_data;
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-- table that is owned by a role should be distributable by a user that has that role granted
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-- while it should not be if the user has the role not granted
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SET ROLE full_access;
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CREATE TABLE my_role_table_with_data (id integer, val integer);
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ALTER TABLE my_role_table_with_data OWNER TO some_role;
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INSERT INTO my_role_table_with_data VALUES (1,2);
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RESET ROLE;
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-- we first try to distribute it with a user that does not have the role so we can reuse the table
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SET ROLE no_access;
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SELECT create_distributed_table('my_role_table_with_data', 'id');
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RESET ROLE;
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-- then we try to distribute it with a user that has the role but different then the one creating
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SET ROLE read_access;
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SELECT create_distributed_table('my_role_table_with_data', 'id');
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RESET ROLE;
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-- lastly we want to verify the table owner is set to the role, not the user that distributed
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SELECT result FROM run_command_on_workers($cmd$
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SELECT tableowner FROM pg_tables WHERE tablename LIKE 'my_role_table_with_data%' LIMIT 1;
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$cmd$);
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-- we want to verify a user without CREATE access cannot distribute its table, but can get
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-- its table distributed by the super user
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-- we want to make sure the schema and user are setup in such a way they can't create a
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-- table
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SET ROLE usage_access;
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CREATE TABLE full_access_user_schema.t1 (id int);
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RESET ROLE;
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-- now we create the table for the user
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CREATE TABLE full_access_user_schema.t1 (id int);
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ALTER TABLE full_access_user_schema.t1 OWNER TO usage_access;
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-- make sure we can insert data
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SET ROLE usage_access;
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INSERT INTO full_access_user_schema.t1 VALUES (1),(2),(3);
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-- creating the table should fail with a failure on the worker machine since the user is
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-- not allowed to create a table
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SELECT create_distributed_table('full_access_user_schema.t1', 'id');
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RESET ROLE;
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SET ROLE usage_access;
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CREATE TYPE usage_access_type AS ENUM ('a', 'b');
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CREATE FUNCTION usage_access_func(x usage_access_type, variadic v int[]) RETURNS int[]
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LANGUAGE plpgsql AS 'begin return v; end;';
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SET ROLE no_access;
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SELECT create_distributed_function('usage_access_func(usage_access_type,int[])');
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SET ROLE usage_access;
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SELECT create_distributed_function('usage_access_func(usage_access_type,int[])');
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SELECT typowner::regrole FROM pg_type WHERE typname = 'usage_access_type';
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SELECT proowner::regrole FROM pg_proc WHERE proname = 'usage_access_func';
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SELECT run_command_on_workers($$SELECT typowner::regrole FROM pg_type WHERE typname = 'usage_access_type'$$);
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SELECT run_command_on_workers($$SELECT proowner::regrole FROM pg_proc WHERE proname = 'usage_access_func'$$);
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SELECT wait_until_metadata_sync(30000);
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CREATE TABLE colocation_table(id text);
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SELECT create_distributed_table('colocation_table','id');
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-- now, make sure that the user can use the function
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-- created in the transaction
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BEGIN;
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CREATE FUNCTION usage_access_func_second(key int, variadic v int[]) RETURNS text
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LANGUAGE plpgsql AS 'begin return current_user; end;';
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SELECT create_distributed_function('usage_access_func_second(int,int[])', '$1', colocate_with := 'colocation_table');
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SELECT usage_access_func_second(1, 2,3,4,5) FROM full_access_user_schema.t1 LIMIT 1;
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ROLLBACK;
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CREATE FUNCTION usage_access_func_third(key int, variadic v int[]) RETURNS text
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LANGUAGE plpgsql AS 'begin return current_user; end;';
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-- connect back as super user
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\c - - - :master_port
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-- show that the current user is a super user
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SELECT usesuper FROM pg_user where usename IN (SELECT current_user);
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-- superuser creates the distributed function that is owned by a regular user
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SELECT create_distributed_function('usage_access_func_third(int,int[])', '$1', colocate_with := 'colocation_table');
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SELECT proowner::regrole FROM pg_proc WHERE proname = 'usage_access_func_third';
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SELECT run_command_on_workers($$SELECT proowner::regrole FROM pg_proc WHERE proname = 'usage_access_func_third'$$);
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RESET ROLE;
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-- now we distribute the table as super user
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SELECT create_distributed_table('full_access_user_schema.t1', 'id');
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-- verify the owner of the shards for the distributed tables
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SELECT result FROM run_command_on_workers($cmd$
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SELECT tableowner FROM pg_tables WHERE
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true
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AND schemaname = 'full_access_user_schema'
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AND tablename LIKE 't1_%'
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LIMIT 1;
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$cmd$);
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-- a user with all privileges on a schema should be able to distribute tables
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SET ROLE full_access;
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CREATE TABLE full_access_user_schema.t2(id int);
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SELECT create_distributed_table('full_access_user_schema.t2', 'id');
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RESET ROLE;
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DROP SCHEMA full_access_user_schema CASCADE;
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DROP TABLE
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my_table,
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my_table_with_data,
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my_role_table_with_data,
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singleshard,
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test,
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test_coloc,
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colocation_table;
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DROP USER full_access;
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DROP USER read_access;
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DROP USER no_access;
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DROP ROLE some_role;
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