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Quelle guc_privs.out
Sprache: unbekannt
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Spracherkennung für: .out vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
--
-- Tests for privileges on GUCs.
-- This is unsafe because changes will affect other databases in the cluster.
--
-- Test with a superuser role.
CREATE ROLE regress_admin SUPERUSER;
-- Perform operations as user 'regress_admin'.
SET SESSION AUTHORIZATION regress_admin;
-- PGC_BACKEND
SET ignore_system_indexes = OFF; -- fail, cannot be set after connection start
ERROR: parameter "ignore_system_indexes" cannot be set after connection start
RESET ignore_system_indexes; -- fail, cannot be set after connection start
ERROR: parameter "ignore_system_indexes" cannot be set after connection start
ALTER SYSTEM SET ignore_system_indexes = OFF; -- ok
ALTER SYSTEM RESET ignore_system_indexes; -- ok
-- PGC_INTERNAL
SET block_size = 50; -- fail, cannot be changed
ERROR: parameter "block_size" cannot be changed
RESET block_size; -- fail, cannot be changed
ERROR: parameter "block_size" cannot be changed
ALTER SYSTEM SET block_size = 50; -- fail, cannot be changed
ERROR: parameter "block_size" cannot be changed
ALTER SYSTEM RESET block_size; -- fail, cannot be changed
ERROR: parameter "block_size" cannot be changed
-- PGC_POSTMASTER
SET autovacuum_freeze_max_age = 1000050000; -- fail, requires restart
ERROR: parameter "autovacuum_freeze_max_age" cannot be changed without restarting the server
RESET autovacuum_freeze_max_age; -- fail, requires restart
ERROR: parameter "autovacuum_freeze_max_age" cannot be changed without restarting the server
ALTER SYSTEM SET autovacuum_freeze_max_age = 1000050000; -- ok
ALTER SYSTEM RESET autovacuum_freeze_max_age; -- ok
ALTER SYSTEM SET config_file = '/usr/local/data/postgresql.conf'; -- fail, cannot be changed
ERROR: parameter "config_file" cannot be changed
ALTER SYSTEM RESET config_file; -- fail, cannot be changed
ERROR: parameter "config_file" cannot be changed
-- PGC_SIGHUP
SET autovacuum = OFF; -- fail, requires reload
ERROR: parameter "autovacuum" cannot be changed now
RESET autovacuum; -- fail, requires reload
ERROR: parameter "autovacuum" cannot be changed now
ALTER SYSTEM SET autovacuum = OFF; -- ok
ALTER SYSTEM RESET autovacuum; -- ok
-- PGC_SUSET
SET lc_messages = 'C'; -- ok
RESET lc_messages; -- ok
ALTER SYSTEM SET lc_messages = 'C'; -- ok
ALTER SYSTEM RESET lc_messages; -- ok
-- PGC_SU_BACKEND
SET jit_debugging_support = OFF; -- fail, cannot be set after connection start
ERROR: parameter "jit_debugging_support" cannot be set after connection start
RESET jit_debugging_support; -- fail, cannot be set after connection start
ERROR: parameter "jit_debugging_support" cannot be set after connection start
ALTER SYSTEM SET jit_debugging_support = OFF; -- ok
ALTER SYSTEM RESET jit_debugging_support; -- ok
-- PGC_USERSET
SET DateStyle = 'ISO, MDY'; -- ok
RESET DateStyle; -- ok
ALTER SYSTEM SET DateStyle = 'ISO, MDY'; -- ok
ALTER SYSTEM RESET DateStyle; -- ok
ALTER SYSTEM SET ssl_renegotiation_limit = 0; -- fail, cannot be changed
ERROR: parameter "ssl_renegotiation_limit" cannot be changed
ALTER SYSTEM RESET ssl_renegotiation_limit; -- fail, cannot be changed
ERROR: parameter "ssl_renegotiation_limit" cannot be changed
-- Finished testing superuser
-- Create non-superuser with privileges to configure host resource usage
CREATE ROLE regress_host_resource_admin NOSUPERUSER;
-- Revoke privileges not yet granted
REVOKE SET, ALTER SYSTEM ON PARAMETER work_mem FROM regress_host_resource_admin;
REVOKE SET, ALTER SYSTEM ON PARAMETER zero_damaged_pages FROM regress_host_resource_admin;
-- Check the new role does not yet have privileges on parameters
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'SET, ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'SET');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
-- Check inappropriate and nonsense privilege types
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'SELECT, UPDATE, CREATE');
ERROR: unrecognized privilege type: "SELECT"
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'USAGE');
ERROR: unrecognized privilege type: "USAGE"
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'WHATEVER');
ERROR: unrecognized privilege type: "WHATEVER"
-- Revoke, grant, and revoke again a SUSET parameter not yet granted
SELECT has_parameter_privilege('regress_host_resource_admin', 'zero_damaged_pages', 'SET');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'zero_damaged_pages', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
REVOKE SET ON PARAMETER zero_damaged_pages FROM regress_host_resource_admin;
SELECT has_parameter_privilege('regress_host_resource_admin', 'zero_damaged_pages', 'SET');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'zero_damaged_pages', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
GRANT SET ON PARAMETER zero_damaged_pages TO regress_host_resource_admin;
SELECT has_parameter_privilege('regress_host_resource_admin', 'zero_damaged_pages', 'SET');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'zero_damaged_pages', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
REVOKE SET ON PARAMETER zero_damaged_pages FROM regress_host_resource_admin;
SELECT has_parameter_privilege('regress_host_resource_admin', 'zero_damaged_pages', 'SET');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'zero_damaged_pages', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
-- Revoke, grant, and revoke again a USERSET parameter not yet granted
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'SET');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
REVOKE SET ON PARAMETER work_mem FROM regress_host_resource_admin;
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'SET');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
GRANT SET ON PARAMETER work_mem TO regress_host_resource_admin;
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'SET');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
REVOKE SET ON PARAMETER work_mem FROM regress_host_resource_admin;
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'SET');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
-- Revoke privileges from a non-existent custom GUC. This should not create
-- entries in the catalog.
REVOKE ALL ON PARAMETER "none.such" FROM regress_host_resource_admin;
SELECT 1 FROM pg_parameter_acl WHERE parname = 'none.such';
?column?
----------
(0 rows)
-- Grant and then revoke privileges on the non-existent custom GUC. Check that
-- a do-nothing entry is not left in the catalogs after the revoke.
GRANT ALL ON PARAMETER none.such TO regress_host_resource_admin;
SELECT 1 FROM pg_parameter_acl WHERE parname = 'none.such';
?column?
----------
1
(1 row)
REVOKE ALL ON PARAMETER "None.Such" FROM regress_host_resource_admin;
SELECT 1 FROM pg_parameter_acl WHERE parname = 'none.such';
?column?
----------
(0 rows)
-- Superuser should be able to ALTER SYSTEM SET a non-existent custom GUC.
ALTER SYSTEM SET none.such = 'whiz bang';
-- None of the above should have created a placeholder GUC for none.such.
SHOW none.such; -- error
ERROR: unrecognized configuration parameter "none.such"
-- However, if we reload ...
SELECT pg_reload_conf();
pg_reload_conf
----------------
t
(1 row)
-- and start a new session to avoid race condition ...
\c -
SET SESSION AUTHORIZATION regress_admin;
-- then it should be there.
SHOW none.such;
none.such
-----------
whiz bang
(1 row)
-- Can't grant on a non-existent core GUC.
GRANT ALL ON PARAMETER no_such_guc TO regress_host_resource_admin; -- fail
ERROR: unrecognized configuration parameter "no_such_guc"
-- Initially there are no privileges and no catalog entry for this GUC.
SELECT has_parameter_privilege('regress_host_resource_admin', 'enable_material', 'SET');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'enable_material', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'enable_material', 'SET, ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT 1 FROM pg_parameter_acl WHERE parname = 'enable_material';
?column?
----------
(0 rows)
-- GRANT SET creates an entry:
GRANT SET ON PARAMETER enable_material TO PUBLIC;
SELECT has_parameter_privilege('regress_host_resource_admin', 'enable_material', 'SET');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'enable_material', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'enable_material', 'SET, ALTER SYSTEM');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT 1 FROM pg_parameter_acl WHERE parname = 'enable_material';
?column?
----------
1
(1 row)
-- Now grant ALTER SYSTEM:
GRANT ALL ON PARAMETER enable_material TO PUBLIC;
SELECT has_parameter_privilege('regress_host_resource_admin', 'enable_material', 'SET');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'enable_material', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'enable_material', 'SET, ALTER SYSTEM');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT 1 FROM pg_parameter_acl WHERE parname = 'enable_material';
?column?
----------
1
(1 row)
-- REVOKE ALTER SYSTEM brings us back to just the SET privilege:
REVOKE ALTER SYSTEM ON PARAMETER enable_material FROM PUBLIC;
SELECT has_parameter_privilege('regress_host_resource_admin', 'enable_material', 'SET');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'enable_material', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
f
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'enable_material', 'SET, ALTER SYSTEM');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT 1 FROM pg_parameter_acl WHERE parname = 'enable_material';
?column?
----------
1
(1 row)
-- And this should remove the entry altogether:
REVOKE SET ON PARAMETER enable_material FROM PUBLIC;
SELECT 1 FROM pg_parameter_acl WHERE parname = 'enable_material';
?column?
----------
(0 rows)
-- Grant privileges on parameters to the new non-superuser role
GRANT SET, ALTER SYSTEM ON PARAMETER
autovacuum_work_mem, hash_mem_multiplier, max_stack_depth,
shared_buffers, temp_file_limit, work_mem
TO regress_host_resource_admin;
-- Check the new role now has privileges on parameters
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'SET, ALTER SYSTEM');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'SET');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'ALTER SYSTEM');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'SET WITH GRANT OPTION, ALTER SYSTEM WITH GRANT OPTION');
has_parameter_privilege
-------------------------
f
(1 row)
-- Check again the inappropriate and nonsense privilege types. The prior
-- similar check was performed before any entry for work_mem existed.
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'SELECT, UPDATE, CREATE');
ERROR: unrecognized privilege type: "SELECT"
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'USAGE');
ERROR: unrecognized privilege type: "USAGE"
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'WHATEVER');
ERROR: unrecognized privilege type: "WHATEVER"
SELECT has_parameter_privilege('regress_host_resource_admin', 'work_mem', 'WHATEVER WITH GRANT OPTION');
ERROR: unrecognized privilege type: "WHATEVER WITH GRANT OPTION"
-- Check other function signatures
SELECT has_parameter_privilege((SELECT oid FROM pg_catalog.pg_authid WHERE rolname = 'regress_host_resource_admin'),
'max_stack_depth',
'SET');
has_parameter_privilege
-------------------------
t
(1 row)
SELECT has_parameter_privilege('hash_mem_multiplier', 'set');
has_parameter_privilege
-------------------------
t
(1 row)
-- Check object identity functions
SELECT pg_describe_object(tableoid, oid, 0)
FROM pg_parameter_acl WHERE parname = 'work_mem';
pg_describe_object
--------------------
parameter work_mem
(1 row)
SELECT pg_identify_object(tableoid, oid, 0)
FROM pg_parameter_acl WHERE parname = 'work_mem';
pg_identify_object
------------------------------
("parameter ACL",,,work_mem)
(1 row)
SELECT pg_identify_object_as_address(tableoid, oid, 0)
FROM pg_parameter_acl WHERE parname = 'work_mem';
pg_identify_object_as_address
---------------------------------
("parameter ACL",{work_mem},{})
(1 row)
SELECT classid::regclass,
(SELECT parname FROM pg_parameter_acl WHERE oid = goa.objid) AS parname,
objsubid
FROM pg_get_object_address('parameter ACL', '{work_mem}', '{}') goa;
classid | parname | objsubid
------------------+----------+----------
pg_parameter_acl | work_mem | 0
(1 row)
-- Make a per-role setting that regress_host_resource_admin can't change
ALTER ROLE regress_host_resource_admin SET lc_messages = 'C';
-- Perform some operations as user 'regress_host_resource_admin'
SET SESSION AUTHORIZATION regress_host_resource_admin;
ALTER SYSTEM SET autovacuum_work_mem = 32; -- ok, privileges have been granted
ALTER SYSTEM SET ignore_system_indexes = OFF; -- fail, insufficient privileges
ERROR: permission denied to set parameter "ignore_system_indexes"
ALTER SYSTEM RESET autovacuum_multixact_freeze_max_age; -- fail, insufficient privileges
ERROR: permission denied to set parameter "autovacuum_multixact_freeze_max_age"
SET jit_provider = 'llvmjit'; -- fail, insufficient privileges
ERROR: parameter "jit_provider" cannot be changed without restarting the server
SELECT set_config ('jit_provider', 'llvmjit', true); -- fail, insufficient privileges
ERROR: parameter "jit_provider" cannot be changed without restarting the server
ALTER SYSTEM SET shared_buffers = 50; -- ok
ALTER SYSTEM RESET shared_buffers; -- ok
SET autovacuum_work_mem = 50; -- cannot be changed now
ERROR: parameter "autovacuum_work_mem" cannot be changed now
ALTER SYSTEM RESET temp_file_limit; -- ok
SET TimeZone = 'Europe/Helsinki'; -- ok
RESET TimeZone; -- ok
SET max_stack_depth = '100kB'; -- ok, privileges have been granted
RESET max_stack_depth; -- ok, privileges have been granted
ALTER SYSTEM SET max_stack_depth = '100kB'; -- ok, privileges have been granted
ALTER SYSTEM RESET max_stack_depth; -- ok, privileges have been granted
SET lc_messages = 'C'; -- fail, insufficient privileges
ERROR: permission denied to set parameter "lc_messages"
RESET lc_messages; -- fail, insufficient privileges
ERROR: permission denied to set parameter "lc_messages"
ALTER SYSTEM SET lc_messages = 'C'; -- fail, insufficient privileges
ERROR: permission denied to set parameter "lc_messages"
ALTER SYSTEM RESET lc_messages; -- fail, insufficient privileges
ERROR: permission denied to set parameter "lc_messages"
SELECT set_config ('temp_buffers', '8192', false); -- ok
set_config
------------
64MB
(1 row)
ALTER SYSTEM RESET autovacuum_work_mem; -- ok, privileges have been granted
ALTER SYSTEM RESET ALL; -- fail, insufficient privileges
ERROR: permission denied to perform ALTER SYSTEM RESET ALL
ALTER SYSTEM SET none.such2 = 'whiz bang'; -- fail, not superuser
ERROR: permission denied to set parameter "none.such2"
ALTER ROLE regress_host_resource_admin SET lc_messages = 'POSIX'; -- fail
ERROR: permission denied to set parameter "lc_messages"
ALTER ROLE regress_host_resource_admin SET max_stack_depth = '1MB'; -- ok
SELECT setconfig FROM pg_db_role_setting
WHERE setrole = 'regress_host_resource_admin'::regrole;
setconfig
-------------------------------------
{lc_messages=C,max_stack_depth=1MB}
(1 row)
ALTER ROLE regress_host_resource_admin RESET max_stack_depth; -- ok
SELECT setconfig FROM pg_db_role_setting
WHERE setrole = 'regress_host_resource_admin'::regrole;
setconfig
-----------------
{lc_messages=C}
(1 row)
ALTER ROLE regress_host_resource_admin SET max_stack_depth = '1MB'; -- ok
SELECT setconfig FROM pg_db_role_setting
WHERE setrole = 'regress_host_resource_admin'::regrole;
setconfig
-------------------------------------
{lc_messages=C,max_stack_depth=1MB}
(1 row)
ALTER ROLE regress_host_resource_admin RESET ALL; -- doesn't reset lc_messages
SELECT setconfig FROM pg_db_role_setting
WHERE setrole = 'regress_host_resource_admin'::regrole;
setconfig
-----------------
{lc_messages=C}
(1 row)
-- Check dropping/revoking behavior
SET SESSION AUTHORIZATION regress_admin;
DROP ROLE regress_host_resource_admin; -- fail, privileges remain
ERROR: role "regress_host_resource_admin" cannot be dropped because some objects depend on it
DETAIL: privileges for parameter autovacuum_work_mem
privileges for parameter hash_mem_multiplier
privileges for parameter max_stack_depth
privileges for parameter shared_buffers
privileges for parameter temp_file_limit
privileges for parameter work_mem
-- Use "revoke" to remove the privileges and allow the role to be dropped
REVOKE SET, ALTER SYSTEM ON PARAMETER
autovacuum_work_mem, hash_mem_multiplier, max_stack_depth,
shared_buffers, temp_file_limit, work_mem
FROM regress_host_resource_admin;
DROP ROLE regress_host_resource_admin; -- ok
-- Try that again, but use "drop owned by" instead of "revoke"
CREATE ROLE regress_host_resource_admin NOSUPERUSER;
SET SESSION AUTHORIZATION regress_host_resource_admin;
ALTER SYSTEM SET autovacuum_work_mem = 32; -- fail, privileges not yet granted
ERROR: permission denied to set parameter "autovacuum_work_mem"
SET SESSION AUTHORIZATION regress_admin;
GRANT SET, ALTER SYSTEM ON PARAMETER
autovacuum_work_mem, hash_mem_multiplier, max_stack_depth,
shared_buffers, temp_file_limit, work_mem
TO regress_host_resource_admin;
DROP ROLE regress_host_resource_admin; -- fail, privileges remain
ERROR: role "regress_host_resource_admin" cannot be dropped because some objects depend on it
DETAIL: privileges for parameter autovacuum_work_mem
privileges for parameter hash_mem_multiplier
privileges for parameter max_stack_depth
privileges for parameter shared_buffers
privileges for parameter temp_file_limit
privileges for parameter work_mem
DROP OWNED BY regress_host_resource_admin RESTRICT; -- cascade should not be needed
SET SESSION AUTHORIZATION regress_host_resource_admin;
ALTER SYSTEM SET autovacuum_work_mem = 32; -- fail, "drop owned" has dropped privileges
ERROR: permission denied to set parameter "autovacuum_work_mem"
SET SESSION AUTHORIZATION regress_admin;
DROP ROLE regress_host_resource_admin; -- ok
-- Check that "reassign owned" doesn't affect privileges
CREATE ROLE regress_host_resource_admin NOSUPERUSER;
CREATE ROLE regress_host_resource_newadmin NOSUPERUSER;
GRANT SET, ALTER SYSTEM ON PARAMETER
autovacuum_work_mem, hash_mem_multiplier, max_stack_depth,
shared_buffers, temp_file_limit, work_mem
TO regress_host_resource_admin;
REASSIGN OWNED BY regress_host_resource_admin TO regress_host_resource_newadmin;
SET SESSION AUTHORIZATION regress_host_resource_admin;
ALTER SYSTEM SET autovacuum_work_mem = 32; -- ok, "reassign owned" did not change privileges
ALTER SYSTEM RESET autovacuum_work_mem; -- ok
SET SESSION AUTHORIZATION regress_admin;
DROP ROLE regress_host_resource_admin; -- fail, privileges remain
ERROR: role "regress_host_resource_admin" cannot be dropped because some objects depend on it
DETAIL: privileges for parameter autovacuum_work_mem
privileges for parameter hash_mem_multiplier
privileges for parameter max_stack_depth
privileges for parameter shared_buffers
privileges for parameter temp_file_limit
privileges for parameter work_mem
DROP ROLE regress_host_resource_newadmin; -- ok, nothing was transferred
-- Use "drop owned by" so we can drop the role
DROP OWNED BY regress_host_resource_admin; -- ok
DROP ROLE regress_host_resource_admin; -- ok
-- Test for GUC synchronized standby slots
-- Cannot set synchronized_standby_slots to an invalid slot name
ALTER SYSTEM SET synchronized_standby_slots='invalid*';
ERROR: invalid value for parameter "synchronized_standby_slots": "invalid*"
DETAIL: replication slot name "invalid*" contains invalid character
HINT: Replication slot names may only contain lower case letters, numbers, and the underscore character.
-- Can set synchronized_standby_slots to a non-existent slot name
ALTER SYSTEM SET synchronized_standby_slots='missing';
-- Reset the GUC
ALTER SYSTEM RESET synchronized_standby_slots;
-- Clean up
RESET SESSION AUTHORIZATION;
DROP ROLE regress_admin; -- ok
[Dauer der Verarbeitung: 0.18 Sekunden, vorverarbeitet 2026-08-10]
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