CREATE SCHEMA propagate_set_commands; SET search_path TO propagate_set_commands; CREATE TABLE test (id int, value int); SELECT create_distributed_table('test', 'id'); create_distributed_table --------------------------------------------------------------------- (1 row) INSERT INTO test VALUES (1,1), (3,3); -- test set local propagation SET citus.propagate_set_commands TO 'local'; -- make sure we send BEGIN before a SELECT SET citus.select_opens_transaction_block TO on; BEGIN; SELECT current_setting('enable_hashagg') FROM test WHERE id = 1; current_setting --------------------------------------------------------------------- on (1 row) -- should not be propagated, error should be coming from coordinator SET LOCAL TRANSACTION ISOLATION LEVEL REPEATABLE READ; ERROR: SET TRANSACTION ISOLATION LEVEL must be called before any query END; BEGIN; -- set session commands are not propagated SET enable_hashagg TO false; SELECT current_setting('enable_hashagg') FROM test WHERE id = 1; current_setting --------------------------------------------------------------------- on (1 row) ABORT; BEGIN; -- should not propagate exit_on_error SET LOCAL exit_on_error TO on; SELECT current_setting('exit_on_error') FROM test WHERE id = 1; current_setting --------------------------------------------------------------------- off (1 row) END; BEGIN; -- should be off on worker SET LOCAL enable_hashagg TO false; SELECT current_setting('enable_hashagg') FROM test WHERE id = 1; current_setting --------------------------------------------------------------------- off (1 row) -- expand to new node, set should still apply SELECT current_setting('enable_hashagg') FROM test WHERE id = 3; current_setting --------------------------------------------------------------------- off (1 row) END; BEGIN; -- should be off on worker SET LOCAL enable_hashagg TO false; SELECT current_setting('enable_hashagg') FROM test WHERE id = 1; current_setting --------------------------------------------------------------------- off (1 row) -- should be back on after set to default SET LOCAL enable_hashagg TO DEFAULT; SELECT current_setting('enable_hashagg') FROM test WHERE id = 1; current_setting --------------------------------------------------------------------- on (1 row) -- expand to new node, set to default should still apply SELECT current_setting('enable_hashagg') FROM test WHERE id = 3; current_setting --------------------------------------------------------------------- on (1 row) END; BEGIN; -- should be off on worker SET LOCAL enable_hashagg TO false; SELECT current_setting('enable_hashagg') FROM test WHERE id = 1; current_setting --------------------------------------------------------------------- off (1 row) -- does not have the LOCAL keyword, not propagated SET enable_hashagg TO DEFAULT; SELECT current_setting('enable_hashagg') FROM test WHERE id = 3; current_setting --------------------------------------------------------------------- off (1 row) END; BEGIN; -- should be off on worker SET LOCAL enable_hashagg TO false; SELECT current_setting('enable_hashagg') FROM test WHERE id = 1; current_setting --------------------------------------------------------------------- off (1 row) -- should be back on after reset RESET enable_hashagg; SELECT current_setting('enable_hashagg') FROM test WHERE id = 1; current_setting --------------------------------------------------------------------- on (1 row) -- expand to new node, reset should still apply SELECT current_setting('enable_hashagg') FROM test WHERE id = 3; current_setting --------------------------------------------------------------------- on (1 row) END; BEGIN; -- should be off on worker SET LOCAL enable_hashagg TO false; SELECT current_setting('enable_hashagg') FROM test WHERE id = 1; current_setting --------------------------------------------------------------------- off (1 row) -- should be back on after reset all RESET ALL; SET search_path = 'propagate_set_commands'; SELECT current_setting('enable_hashagg') FROM test WHERE id = 1; current_setting --------------------------------------------------------------------- on (1 row) -- funky case, we reset citus.propagate_set_commands, so not set again SET LOCAL enable_hashagg TO false; SELECT current_setting('enable_hashagg') FROM test WHERE id = 3; current_setting --------------------------------------------------------------------- on (1 row) ABORT; DROP SCHEMA propagate_set_commands CASCADE; NOTICE: drop cascades to table test