Remove test_oat_hooks.c's nodetag_to_string().

In the short time this function has existed, it's already proven to be
a nontrivial maintenance burden, since it has to be updated whenever a
node tag is added or removed.  Although in principle we could now
automate that, I see little justification for having such functionality
here at all.  The function is only being applied to utility statements,
for which we already have infrastructure for obtaining string names.
Moreover, that infrastructure produces already-familiar-to-users names,
unlike nodetag_to_string().

So, remove this function and use the existing infrastructure instead.
That saves over a thousand lines of largely-unreachable code.

Back-patch to v15 where this code came in.  Although it seems unlikely
that v15's nodetag list will change anymore, we might as well keep the
two branches looking and acting alike; otherwise back-patching any
test-results changes in this area will be painful.

Discussion: https://postgr.es/m/843818.1659218928@sss.pgh.pa.us

Author: tglsfdc

src/test/modules/test_oat_hooks/expected/test_oat_hooks.out

@@ -11,26 +11,26 @@ LOAD 'test_oat_hooks';
 SET test_oat_hooks.audit = true;
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x1000, set) [test_oat_hooks.audit]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x1000, set) [test_oat_hooks.audit]
-NOTICE:  in process utility: superuser finished set
+NOTICE:  in process utility: superuser finished SET
 -- Creating privileges on an existent custom GUC should create precisely the
 -- right privileges, not overly conservative ones.
 GRANT SET ON PARAMETER test_oat_hooks.user_var2 TO regress_role_joe;
-NOTICE:  in process utility: superuser attempting GrantStmt
-NOTICE:  in process utility: superuser finished GrantStmt
+NOTICE:  in process utility: superuser attempting GRANT
+NOTICE:  in process utility: superuser finished GRANT
 GRANT SET ON PARAMETER test_oat_hooks.super_var2 TO regress_role_joe;
-NOTICE:  in process utility: superuser attempting GrantStmt
-NOTICE:  in process utility: superuser finished GrantStmt
+NOTICE:  in process utility: superuser attempting GRANT
+NOTICE:  in process utility: superuser finished GRANT
 -- Granting multiple privileges on a parameter should be reported correctly to
 -- the OAT hook, but beware that WITH GRANT OPTION is not represented.
 GRANT SET, ALTER SYSTEM ON PARAMETER none.such TO regress_role_joe;
-NOTICE:  in process utility: superuser attempting GrantStmt
-NOTICE:  in process utility: superuser finished GrantStmt
+NOTICE:  in process utility: superuser attempting GRANT
+NOTICE:  in process utility: superuser finished GRANT
 GRANT SET, ALTER SYSTEM ON PARAMETER another.bogus TO regress_role_joe WITH GRANT OPTION;
-NOTICE:  in process utility: superuser attempting GrantStmt
-NOTICE:  in process utility: superuser finished GrantStmt
+NOTICE:  in process utility: superuser attempting GRANT
+NOTICE:  in process utility: superuser finished GRANT
 -- Check when the hooks fire relative to dependency based abort of a drop
 DROP ROLE regress_role_joe;
-NOTICE:  in process utility: superuser attempting DropRoleStmt
+NOTICE:  in process utility: superuser attempting DROP ROLE
 NOTICE:  in object access: superuser attempting drop (subId=0x0) []
 NOTICE:  in object access: superuser finished drop (subId=0x0) []
 ERROR:  role "regress_role_joe" cannot be dropped because some objects depend on it
@@ -42,30 +42,30 @@ privileges for parameter none.such
 privileges for parameter another.bogus
 -- Check the behavior of the hooks relative to do-nothing grants and revokes
 GRANT SET ON PARAMETER maintenance_work_mem TO PUBLIC;
-NOTICE:  in process utility: superuser attempting GrantStmt
-NOTICE:  in process utility: superuser finished GrantStmt
+NOTICE:  in process utility: superuser attempting GRANT
+NOTICE:  in process utility: superuser finished GRANT
 REVOKE SET ON PARAMETER maintenance_work_mem FROM PUBLIC;
-NOTICE:  in process utility: superuser attempting GrantStmt
-NOTICE:  in process utility: superuser finished GrantStmt
+NOTICE:  in process utility: superuser attempting REVOKE
+NOTICE:  in process utility: superuser finished REVOKE
 REVOKE ALTER SYSTEM ON PARAMETER maintenance_work_mem FROM PUBLIC;
-NOTICE:  in process utility: superuser attempting GrantStmt
-NOTICE:  in process utility: superuser finished GrantStmt
+NOTICE:  in process utility: superuser attempting REVOKE
+NOTICE:  in process utility: superuser finished REVOKE
 -- Check the behavior of the hooks relative to unrecognized parameters
 GRANT ALL ON PARAMETER "none.such" TO PUBLIC;
-NOTICE:  in process utility: superuser attempting GrantStmt
-NOTICE:  in process utility: superuser finished GrantStmt
+NOTICE:  in process utility: superuser attempting GRANT
+NOTICE:  in process utility: superuser finished GRANT
 -- Check relative to an operation that causes the catalog entry to be deleted
 REVOKE ALL ON PARAMETER "none.such" FROM PUBLIC;
-NOTICE:  in process utility: superuser attempting GrantStmt
-NOTICE:  in process utility: superuser finished GrantStmt
+NOTICE:  in process utility: superuser attempting REVOKE
+NOTICE:  in process utility: superuser finished REVOKE
 -- Create objects for use in the test
 CREATE USER regress_test_user;
-NOTICE:  in process utility: superuser attempting CreateRoleStmt
+NOTICE:  in process utility: superuser attempting CREATE ROLE
 NOTICE:  in object access: superuser attempting create (subId=0x0) [explicit]
 NOTICE:  in object access: superuser finished create (subId=0x0) [explicit]
-NOTICE:  in process utility: superuser finished CreateRoleStmt
+NOTICE:  in process utility: superuser finished CREATE ROLE
 CREATE TABLE regress_test_table (t text);
-NOTICE:  in process utility: superuser attempting CreateStmt
+NOTICE:  in process utility: superuser attempting CREATE TABLE
 NOTICE:  in object access: superuser attempting namespace search (subId=0x0) [no report on violation, allowed]
 LINE 1: CREATE TABLE regress_test_table (t text);
                      ^
@@ -82,20 +82,20 @@ NOTICE:  in object access: superuser attempting create (subId=0x0) [internal]
 NOTICE:  in object access: superuser finished create (subId=0x0) [internal]
 NOTICE:  in object access: superuser attempting create (subId=0x0) [internal]
 NOTICE:  in object access: superuser finished create (subId=0x0) [internal]
-NOTICE:  in process utility: superuser finished CreateStmt
+NOTICE:  in process utility: superuser finished CREATE TABLE
 GRANT SELECT ON Table regress_test_table TO public;
-NOTICE:  in process utility: superuser attempting GrantStmt
-NOTICE:  in process utility: superuser finished GrantStmt
+NOTICE:  in process utility: superuser attempting GRANT
+NOTICE:  in process utility: superuser finished GRANT
 CREATE FUNCTION regress_test_func (t text) RETURNS text AS $$
 	SELECT $1;
 $$ LANGUAGE sql;
-NOTICE:  in process utility: superuser attempting CreateFunctionStmt
+NOTICE:  in process utility: superuser attempting CREATE FUNCTION
 NOTICE:  in object access: superuser attempting create (subId=0x0) [explicit]
 NOTICE:  in object access: superuser finished create (subId=0x0) [explicit]
-NOTICE:  in process utility: superuser finished CreateFunctionStmt
+NOTICE:  in process utility: superuser finished CREATE FUNCTION
 GRANT EXECUTE ON FUNCTION regress_test_func (text) TO public;
-NOTICE:  in process utility: superuser attempting GrantStmt
-NOTICE:  in process utility: superuser finished GrantStmt
+NOTICE:  in process utility: superuser attempting GRANT
+NOTICE:  in process utility: superuser finished GRANT
 -- Do a few things as superuser
 SELECT * FROM regress_test_table;
 NOTICE:  in executor check perms: superuser attempting execute
@@ -113,31 +113,31 @@ NOTICE:  in executor check perms: superuser finished execute
 (1 row)
 
 SET work_mem = 8192;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting SET
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x1000, set) [work_mem]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x1000, set) [work_mem]
-NOTICE:  in process utility: superuser finished set
+NOTICE:  in process utility: superuser finished SET
 RESET work_mem;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting RESET
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x1000, set) [work_mem]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x1000, set) [work_mem]
-NOTICE:  in process utility: superuser finished set
+NOTICE:  in process utility: superuser finished RESET
 ALTER SYSTEM SET work_mem = 8192;
-NOTICE:  in process utility: superuser attempting alter system
+NOTICE:  in process utility: superuser attempting ALTER SYSTEM
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x2000, alter system) [work_mem]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x2000, alter system) [work_mem]
-NOTICE:  in process utility: superuser finished alter system
+NOTICE:  in process utility: superuser finished ALTER SYSTEM
 ALTER SYSTEM RESET work_mem;
-NOTICE:  in process utility: superuser attempting alter system
+NOTICE:  in process utility: superuser attempting ALTER SYSTEM
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x2000, alter system) [work_mem]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x2000, alter system) [work_mem]
-NOTICE:  in process utility: superuser finished alter system
+NOTICE:  in process utility: superuser finished ALTER SYSTEM
 -- Do those same things as non-superuser
 SET SESSION AUTHORIZATION regress_test_user;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting SET
 NOTICE:  in object_access_hook_str: non-superuser attempting alter (subId=0x1000, set) [session_authorization]
 NOTICE:  in object_access_hook_str: non-superuser finished alter (subId=0x1000, set) [session_authorization]
-NOTICE:  in process utility: non-superuser finished set
+NOTICE:  in process utility: non-superuser finished SET
 SELECT * FROM regress_test_table;
 NOTICE:  in object access: non-superuser attempting namespace search (subId=0x0) [no report on violation, allowed]
 LINE 1: SELECT * FROM regress_test_table;
@@ -160,83 +160,83 @@ NOTICE:  in executor check perms: non-superuser finished execute
 (1 row)
 
 SET work_mem = 8192;
-NOTICE:  in process utility: non-superuser attempting set
+NOTICE:  in process utility: non-superuser attempting SET
 NOTICE:  in object_access_hook_str: non-superuser attempting alter (subId=0x1000, set) [work_mem]
 NOTICE:  in object_access_hook_str: non-superuser finished alter (subId=0x1000, set) [work_mem]
-NOTICE:  in process utility: non-superuser finished set
+NOTICE:  in process utility: non-superuser finished SET
 RESET work_mem;
-NOTICE:  in process utility: non-superuser attempting set
+NOTICE:  in process utility: non-superuser attempting RESET
 NOTICE:  in object_access_hook_str: non-superuser attempting alter (subId=0x1000, set) [work_mem]
 NOTICE:  in object_access_hook_str: non-superuser finished alter (subId=0x1000, set) [work_mem]
-NOTICE:  in process utility: non-superuser finished set
+NOTICE:  in process utility: non-superuser finished RESET
 ALTER SYSTEM SET work_mem = 8192;
-NOTICE:  in process utility: non-superuser attempting alter system
+NOTICE:  in process utility: non-superuser attempting ALTER SYSTEM
 ERROR:  permission denied to set parameter "work_mem"
 ALTER SYSTEM RESET work_mem;
-NOTICE:  in process utility: non-superuser attempting alter system
+NOTICE:  in process utility: non-superuser attempting ALTER SYSTEM
 ERROR:  permission denied to set parameter "work_mem"
 SET test_oat_hooks.user_var1 = true;
-NOTICE:  in process utility: non-superuser attempting set
+NOTICE:  in process utility: non-superuser attempting SET
 NOTICE:  in object_access_hook_str: non-superuser attempting alter (subId=0x1000, set) [test_oat_hooks.user_var1]
 NOTICE:  in object_access_hook_str: non-superuser finished alter (subId=0x1000, set) [test_oat_hooks.user_var1]
-NOTICE:  in process utility: non-superuser finished set
+NOTICE:  in process utility: non-superuser finished SET
 SET test_oat_hooks.super_var1 = true;
-NOTICE:  in process utility: non-superuser attempting set
+NOTICE:  in process utility: non-superuser attempting SET
 ERROR:  permission denied to set parameter "test_oat_hooks.super_var1"
 ALTER SYSTEM SET test_oat_hooks.user_var1 = true;
-NOTICE:  in process utility: non-superuser attempting alter system
+NOTICE:  in process utility: non-superuser attempting ALTER SYSTEM
 ERROR:  permission denied to set parameter "test_oat_hooks.user_var1"
 ALTER SYSTEM SET test_oat_hooks.super_var1 = true;
-NOTICE:  in process utility: non-superuser attempting alter system
+NOTICE:  in process utility: non-superuser attempting ALTER SYSTEM
 ERROR:  permission denied to set parameter "test_oat_hooks.super_var1"
 SET test_oat_hooks.user_var2 = true;
-NOTICE:  in process utility: non-superuser attempting set
+NOTICE:  in process utility: non-superuser attempting SET
 NOTICE:  in object_access_hook_str: non-superuser attempting alter (subId=0x1000, set) [test_oat_hooks.user_var2]
 NOTICE:  in object_access_hook_str: non-superuser finished alter (subId=0x1000, set) [test_oat_hooks.user_var2]
-NOTICE:  in process utility: non-superuser finished set
+NOTICE:  in process utility: non-superuser finished SET
 SET test_oat_hooks.super_var2 = true;
-NOTICE:  in process utility: non-superuser attempting set
+NOTICE:  in process utility: non-superuser attempting SET
 ERROR:  permission denied to set parameter "test_oat_hooks.super_var2"
 ALTER SYSTEM SET test_oat_hooks.user_var2 = true;
-NOTICE:  in process utility: non-superuser attempting alter system
+NOTICE:  in process utility: non-superuser attempting ALTER SYSTEM
 ERROR:  permission denied to set parameter "test_oat_hooks.user_var2"
 ALTER SYSTEM SET test_oat_hooks.super_var2 = true;
-NOTICE:  in process utility: non-superuser attempting alter system
+NOTICE:  in process utility: non-superuser attempting ALTER SYSTEM
 ERROR:  permission denied to set parameter "test_oat_hooks.super_var2"
 RESET SESSION AUTHORIZATION;
-NOTICE:  in process utility: non-superuser attempting set
+NOTICE:  in process utility: non-superuser attempting RESET
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x1000, set) [session_authorization]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x1000, set) [session_authorization]
-NOTICE:  in process utility: superuser finished set
+NOTICE:  in process utility: superuser finished RESET
 -- Turn off non-superuser permissions
 SET test_oat_hooks.deny_set_variable = true;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting SET
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x1000, set) [test_oat_hooks.deny_set_variable]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x1000, set) [test_oat_hooks.deny_set_variable]
-NOTICE:  in process utility: superuser finished set
+NOTICE:  in process utility: superuser finished SET
 SET test_oat_hooks.deny_alter_system = true;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting SET
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x1000, set) [test_oat_hooks.deny_alter_system]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x1000, set) [test_oat_hooks.deny_alter_system]
-NOTICE:  in process utility: superuser finished set
+NOTICE:  in process utility: superuser finished SET
 SET test_oat_hooks.deny_object_access = true;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting SET
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x1000, set) [test_oat_hooks.deny_object_access]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x1000, set) [test_oat_hooks.deny_object_access]
-NOTICE:  in process utility: superuser finished set
+NOTICE:  in process utility: superuser finished SET
 SET test_oat_hooks.deny_exec_perms = true;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting SET
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x1000, set) [test_oat_hooks.deny_exec_perms]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x1000, set) [test_oat_hooks.deny_exec_perms]
-NOTICE:  in process utility: superuser finished set
+NOTICE:  in process utility: superuser finished SET
 SET test_oat_hooks.deny_utility_commands = true;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting SET
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x1000, set) [test_oat_hooks.deny_utility_commands]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x1000, set) [test_oat_hooks.deny_utility_commands]
-NOTICE:  in process utility: superuser finished set
+NOTICE:  in process utility: superuser finished SET
 -- Try again as non-superuser with permissions denied
 SET SESSION AUTHORIZATION regress_test_user;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting SET
 NOTICE:  in object_access_hook_str: non-superuser attempting alter (subId=0x1000, set) [session_authorization]
 ERROR:  permission denied: set session_authorization
 SELECT * FROM regress_test_table;
@@ -261,33 +261,33 @@ NOTICE:  in executor check perms: superuser finished execute
 (1 row)
 
 SET work_mem = 8192;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting SET
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x1000, set) [work_mem]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x1000, set) [work_mem]
-NOTICE:  in process utility: superuser finished set
+NOTICE:  in process utility: superuser finished SET
 RESET work_mem;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting RESET
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x1000, set) [work_mem]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x1000, set) [work_mem]
-NOTICE:  in process utility: superuser finished set
+NOTICE:  in process utility: superuser finished RESET
 ALTER SYSTEM SET work_mem = 8192;
-NOTICE:  in process utility: superuser attempting alter system
+NOTICE:  in process utility: superuser attempting ALTER SYSTEM
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x2000, alter system) [work_mem]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x2000, alter system) [work_mem]
-NOTICE:  in process utility: superuser finished alter system
+NOTICE:  in process utility: superuser finished ALTER SYSTEM
 ALTER SYSTEM RESET work_mem;
-NOTICE:  in process utility: superuser attempting alter system
+NOTICE:  in process utility: superuser attempting ALTER SYSTEM
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x2000, alter system) [work_mem]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x2000, alter system) [work_mem]
-NOTICE:  in process utility: superuser finished alter system
+NOTICE:  in process utility: superuser finished ALTER SYSTEM
 -- Clean up
 RESET SESSION AUTHORIZATION;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting RESET
 NOTICE:  in object_access_hook_str: superuser attempting alter (subId=0x1000, set) [session_authorization]
 NOTICE:  in object_access_hook_str: superuser finished alter (subId=0x1000, set) [session_authorization]
-NOTICE:  in process utility: superuser finished set
+NOTICE:  in process utility: superuser finished RESET
 SET test_oat_hooks.audit = false;
-NOTICE:  in process utility: superuser attempting set
+NOTICE:  in process utility: superuser attempting SET
 DROP ROLE regress_role_joe;  -- fails
 ERROR:  role "regress_role_joe" cannot be dropped because some objects depend on it
 DETAIL:  privileges for parameter test_oat_hooks.user_var1