unprivileged user should only be able to change GUCs of Runtime[Merge]Append

Author: funbringer

src/init.c

@@ -118,7 +118,7 @@ init_main_pathman_toggles(void)
 							 NULL,
 							 &pg_pathman_init_state.pg_pathman_enable,
 							 true,
-							 PGC_USERSET,
+							 PGC_SUSET,
 							 0,
 							 NULL,
 							 pg_pathman_enable_assign_hook,
@@ -130,7 +130,7 @@ init_main_pathman_toggles(void)
 							 NULL,
 							 &pg_pathman_init_state.auto_partition,
 							 true,
-							 PGC_USERSET,
+							 PGC_SUSET,
 							 0,
 							 NULL,
 							 NULL,
@@ -142,7 +142,7 @@ init_main_pathman_toggles(void)
 							 NULL,
 							 &pg_pathman_init_state.override_copy,
 							 true,
-							 PGC_USERSET,
+							 PGC_SUSET,
 							 0,
 							 NULL,
 							 NULL,

src/partition_filter.c

@@ -92,7 +92,7 @@ init_partition_filter_static_data(void)
 							 NULL,
 							 &pg_pathman_enable_partition_filter,
 							 true,
-							 PGC_USERSET,
+							 PGC_SUSET,
 							 0,
 							 NULL,
 							 NULL,