diff --git a/contrib/pg_upgrade/function.c b/contrib/pg_upgrade/function.c
index 2ab8e4f4031f556b210b6b9cb042c5e6814cc412..9c8c5865d7b70451d38aaad84322cc6ef6f91382 100644
--- a/contrib/pg_upgrade/function.c
+++ b/contrib/pg_upgrade/function.c
@@ -49,31 +49,31 @@ install_support_functions(void)
 								  "LANGUAGE C STRICT;"));
 		PQclear(executeQueryOrDie(conn,
 								  "CREATE OR REPLACE FUNCTION "
-			   "		binary_upgrade.set_next_pg_type_array_oid(OID) "
+			   "		binary_upgrade.set_next_array_pg_type_oid(OID) "
 								  "RETURNS VOID "
 								  "AS '$libdir/pg_upgrade_support' "
 								  "LANGUAGE C STRICT;"));
 		PQclear(executeQueryOrDie(conn,
 								  "CREATE OR REPLACE FUNCTION "
-			   "		binary_upgrade.set_next_pg_type_toast_oid(OID) "
+			   "		binary_upgrade.set_next_toast_pg_type_oid(OID) "
 								  "RETURNS VOID "
 								  "AS '$libdir/pg_upgrade_support' "
 								  "LANGUAGE C STRICT;"));
 		PQclear(executeQueryOrDie(conn,
 								  "CREATE OR REPLACE FUNCTION "
-				"		binary_upgrade.set_next_heap_relfilenode(OID) "
+				"		binary_upgrade.set_next_heap_pg_class_oid(OID) "
 								  "RETURNS VOID "
 								  "AS '$libdir/pg_upgrade_support' "
 								  "LANGUAGE C STRICT;"));
 		PQclear(executeQueryOrDie(conn,
 								  "CREATE OR REPLACE FUNCTION "
-			   "		binary_upgrade.set_next_toast_relfilenode(OID) "
+			   "		binary_upgrade.set_next_index_pg_class_oid(OID) "
 								  "RETURNS VOID "
 								  "AS '$libdir/pg_upgrade_support' "
 								  "LANGUAGE C STRICT;"));
 		PQclear(executeQueryOrDie(conn,
 								  "CREATE OR REPLACE FUNCTION "
-			   "		binary_upgrade.set_next_index_relfilenode(OID) "
+			   "		binary_upgrade.set_next_toast_pg_class_oid(OID) "
 								  "RETURNS VOID "
 								  "AS '$libdir/pg_upgrade_support' "
 								  "LANGUAGE C STRICT;"));
diff --git a/contrib/pg_upgrade/info.c b/contrib/pg_upgrade/info.c
index 578bdb9eae691644efd77e7ec53d58ae14a1139b..dc66e38c04a852f72de72f98c1bcea57b0b2728d 100644
--- a/contrib/pg_upgrade/info.c
+++ b/contrib/pg_upgrade/info.c
@@ -266,7 +266,7 @@ get_rel_infos(ClusterInfo *cluster, DbInfo *dbinfo)
 
 	/*
 	 * pg_largeobject contains user data that does not appear the pg_dumpall
-	 * --schema-only output, so we have to upgrade that system table heap and
+	 * --schema-only output, so we have to copy that system table heap and
 	 * index.  Ideally we could just get the relfilenode from template1 but
 	 * pg_largeobject_loid_pn_index's relfilenode can change if the table was
 	 * reindexed so we get the relfilenode for each database and upgrade it as
diff --git a/contrib/pg_upgrade/pg_upgrade.c b/contrib/pg_upgrade/pg_upgrade.c
index 820445ce557059f9c6f315b57af704419961e882..3de47fc62ec7373fe7c0ae68b6db35e3d799f8c6 100644
--- a/contrib/pg_upgrade/pg_upgrade.c
+++ b/contrib/pg_upgrade/pg_upgrade.c
@@ -8,23 +8,30 @@
  */
 
 /*
- *	To simplify the upgrade process, we force certain system items to be
- *	consistent between old and new clusters:
+ *	To simplify the upgrade process, we force certain system values to be
+ *	identical between old and new clusters:
  *
- *	We control all assignments of pg_class.relfilenode so we can keep the
- *	same relfilenodes for old and new files.  The only exception is
- *	pg_largeobject, pg_largeobject_metadata, and its indexes, which can
- *	change due to a cluster, reindex, or vacuum full.  (We don't create
- *	those so have no control over their oid/relfilenode values.)
+ *	We control all assignments of pg_class.oid (and relfilenode) so toast
+ *	oids are the same between old and new clusters.  This is important
+ *	because toast oids are stored as toast pointers in user tables.
  *
- *	While pg_class.oid and pg_class.relfilenode are intially the same, they
- *	can diverge due to cluster, reindex, or vacuum full.  The new cluster
- *	will again have matching pg_class.relfilenode and pg_class.oid values,
- *	but based on the new relfilenode value, so the old/new oids might
- *	differ.
+ *	The only place where old/new relfilenode might not match is
+ *	pg_largeobject, pg_largeobject_metadata, and its indexes,
+ *	which can change their relfilenode values due to a cluster, reindex,
+ *	or vacuum full.  (We don't create those so have no control over their
+ *	new relfilenode values.)
  *
- *	We control all assignments of pg_type.oid because these are stored
- *	in composite types.
+ *	FYI, while pg_class.oid and pg_class.relfilenode are intially the same
+ *	in a cluster, but they can diverge due to cluster, reindex, or vacuum
+ *	full.  The new cluster will again have matching pg_class.relfilenode
+ *	and pg_class.oid values, but based on the old relfilenode value, so the
+ *	old/new oids might differ.
+ *
+ *	We control all assignments of pg_type.oid because these oid are stored
+ *	in user composite type values.
+ *
+ *	We control all assignments of pg_enum.oid because these oid are stored
+ *	in user tables as enum values.
  */
 
 
diff --git a/contrib/pg_upgrade/pg_upgrade.h b/contrib/pg_upgrade/pg_upgrade.h
index d863155b9b2cd6f028f02c0d71137abdf13c6075..7f44a9d665d17bd52c7b83581c5bda2cdcffe09e 100644
--- a/contrib/pg_upgrade/pg_upgrade.h
+++ b/contrib/pg_upgrade/pg_upgrade.h
@@ -67,8 +67,8 @@ typedef struct
 {
 	char		nspname[NAMEDATALEN];	/* namespace name */
 	char		relname[NAMEDATALEN];	/* relation name */
-	Oid			reloid;			/* relation oid				 */
-	Oid			relfilenode;	/* relation relfile node	 */
+	Oid			reloid;			/* relation oid */
+	Oid			relfilenode;	/* relation relfile node */
 	Oid			toastrelid;		/* oid of the toast relation */
 	char		tablespace[MAXPGPATH];	/* relations tablespace path */
 } RelInfo;
diff --git a/contrib/pg_upgrade_support/pg_upgrade_support.c b/contrib/pg_upgrade_support/pg_upgrade_support.c
index e55e139f7c2ca6637f76a52f16662a9ec5a4267b..da8bd581de8819f26fa95ebaa6632d4db6467383 100644
--- a/contrib/pg_upgrade_support/pg_upgrade_support.c
+++ b/contrib/pg_upgrade_support/pg_upgrade_support.c
@@ -21,29 +21,36 @@ PG_MODULE_MAGIC;
 #endif
 
 extern PGDLLIMPORT Oid binary_upgrade_next_pg_type_oid;
-extern PGDLLIMPORT Oid binary_upgrade_next_pg_type_array_oid;
-extern PGDLLIMPORT Oid binary_upgrade_next_pg_type_toast_oid;
-extern PGDLLIMPORT Oid binary_upgrade_next_heap_relfilenode;
-extern PGDLLIMPORT Oid binary_upgrade_next_toast_relfilenode;
-extern PGDLLIMPORT Oid binary_upgrade_next_index_relfilenode;
+extern PGDLLIMPORT Oid binary_upgrade_next_array_pg_type_oid;
+extern PGDLLIMPORT Oid binary_upgrade_next_toast_pg_type_oid;
+
+extern PGDLLIMPORT Oid binary_upgrade_next_heap_pg_class_oid;
+extern PGDLLIMPORT Oid binary_upgrade_next_index_pg_class_oid;
+extern PGDLLIMPORT Oid binary_upgrade_next_toast_pg_class_oid;
+
 extern PGDLLIMPORT Oid binary_upgrade_next_pg_enum_oid;
 
 Datum		set_next_pg_type_oid(PG_FUNCTION_ARGS);
-Datum		set_next_pg_type_array_oid(PG_FUNCTION_ARGS);
-Datum		set_next_pg_type_toast_oid(PG_FUNCTION_ARGS);
-Datum		set_next_heap_relfilenode(PG_FUNCTION_ARGS);
-Datum		set_next_toast_relfilenode(PG_FUNCTION_ARGS);
-Datum		set_next_index_relfilenode(PG_FUNCTION_ARGS);
+Datum		set_next_array_pg_type_oid(PG_FUNCTION_ARGS);
+Datum		set_next_toast_pg_type_oid(PG_FUNCTION_ARGS);
+
+Datum		set_next_heap_pg_class_oid(PG_FUNCTION_ARGS);
+Datum		set_next_index_pg_class_oid(PG_FUNCTION_ARGS);
+Datum		set_next_toast_pg_class_oid(PG_FUNCTION_ARGS);
+
 Datum		set_next_pg_enum_oid(PG_FUNCTION_ARGS);
 
 PG_FUNCTION_INFO_V1(set_next_pg_type_oid);
-PG_FUNCTION_INFO_V1(set_next_pg_type_array_oid);
-PG_FUNCTION_INFO_V1(set_next_pg_type_toast_oid);
-PG_FUNCTION_INFO_V1(set_next_heap_relfilenode);
-PG_FUNCTION_INFO_V1(set_next_toast_relfilenode);
-PG_FUNCTION_INFO_V1(set_next_index_relfilenode);
+PG_FUNCTION_INFO_V1(set_next_array_pg_type_oid);
+PG_FUNCTION_INFO_V1(set_next_toast_pg_type_oid);
+
+PG_FUNCTION_INFO_V1(set_next_heap_pg_class_oid);
+PG_FUNCTION_INFO_V1(set_next_index_pg_class_oid);
+PG_FUNCTION_INFO_V1(set_next_toast_pg_class_oid);
+
 PG_FUNCTION_INFO_V1(set_next_pg_enum_oid);
 
+
 Datum
 set_next_pg_type_oid(PG_FUNCTION_ARGS)
 {
@@ -55,51 +62,51 @@ set_next_pg_type_oid(PG_FUNCTION_ARGS)
 }
 
 Datum
-set_next_pg_type_array_oid(PG_FUNCTION_ARGS)
+set_next_array_pg_type_oid(PG_FUNCTION_ARGS)
 {
 	Oid			typoid = PG_GETARG_OID(0);
 
-	binary_upgrade_next_pg_type_array_oid = typoid;
+	binary_upgrade_next_array_pg_type_oid = typoid;
 
 	PG_RETURN_VOID();
 }
 
 Datum
-set_next_pg_type_toast_oid(PG_FUNCTION_ARGS)
+set_next_toast_pg_type_oid(PG_FUNCTION_ARGS)
 {
 	Oid			typoid = PG_GETARG_OID(0);
 
-	binary_upgrade_next_pg_type_toast_oid = typoid;
+	binary_upgrade_next_toast_pg_type_oid = typoid;
 
 	PG_RETURN_VOID();
 }
 
 Datum
-set_next_heap_relfilenode(PG_FUNCTION_ARGS)
+set_next_heap_pg_class_oid(PG_FUNCTION_ARGS)
 {
-	Oid			relfilenode = PG_GETARG_OID(0);
+	Oid			reloid = PG_GETARG_OID(0);
 
-	binary_upgrade_next_heap_relfilenode = relfilenode;
+	binary_upgrade_next_heap_pg_class_oid = reloid;
 
 	PG_RETURN_VOID();
 }
 
 Datum
-set_next_toast_relfilenode(PG_FUNCTION_ARGS)
+set_next_index_pg_class_oid(PG_FUNCTION_ARGS)
 {
-	Oid			relfilenode = PG_GETARG_OID(0);
+	Oid			reloid = PG_GETARG_OID(0);
 
-	binary_upgrade_next_toast_relfilenode = relfilenode;
+	binary_upgrade_next_index_pg_class_oid = reloid;
 
 	PG_RETURN_VOID();
 }
 
 Datum
-set_next_index_relfilenode(PG_FUNCTION_ARGS)
+set_next_toast_pg_class_oid(PG_FUNCTION_ARGS)
 {
-	Oid			relfilenode = PG_GETARG_OID(0);
+	Oid			reloid = PG_GETARG_OID(0);
 
-	binary_upgrade_next_index_relfilenode = relfilenode;
+	binary_upgrade_next_toast_pg_class_oid = reloid;
 
 	PG_RETURN_VOID();
 }
diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c
index b36efcdba3cbab9608f1739002b4c03ae15227e2..5dfd8141eb6c7204ff73b71512493c9ab567a257 100644
--- a/src/backend/catalog/heap.c
+++ b/src/backend/catalog/heap.c
@@ -74,8 +74,8 @@
 
 
 /* Potentially set by contrib/pg_upgrade_support functions */
-Oid			binary_upgrade_next_heap_relfilenode = InvalidOid;
-Oid			binary_upgrade_next_toast_relfilenode = InvalidOid;
+Oid			binary_upgrade_next_heap_pg_class_oid = InvalidOid;
+Oid			binary_upgrade_next_toast_pg_class_oid = InvalidOid;
 
 static void AddNewRelationTuple(Relation pg_class_desc,
 					Relation new_rel_desc,
@@ -987,22 +987,22 @@ heap_create_with_catalog(const char *relname,
 	if (!OidIsValid(relid))
 	{
 		/*
-		 *	Use binary-upgrade override for pg_class.relfilenode/oid,
+		 *	Use binary-upgrade override for pg_class.oid/relfilenode,
 		 *	if supplied.
 		 */
-		if (OidIsValid(binary_upgrade_next_heap_relfilenode) &&
+		if (OidIsValid(binary_upgrade_next_heap_pg_class_oid) &&
 			(relkind == RELKIND_RELATION || relkind == RELKIND_SEQUENCE ||
 			 relkind == RELKIND_VIEW || relkind == RELKIND_COMPOSITE_TYPE ||
 			 relkind == RELKIND_FOREIGN_TABLE))
 		{
-			relid = binary_upgrade_next_heap_relfilenode;
-			binary_upgrade_next_heap_relfilenode = InvalidOid;
+			relid = binary_upgrade_next_heap_pg_class_oid;
+			binary_upgrade_next_heap_pg_class_oid = InvalidOid;
 		}
-		else if (OidIsValid(binary_upgrade_next_toast_relfilenode) &&
+		else if (OidIsValid(binary_upgrade_next_toast_pg_class_oid) &&
 				 relkind == RELKIND_TOASTVALUE)
 		{
-			relid = binary_upgrade_next_toast_relfilenode;
-			binary_upgrade_next_toast_relfilenode = InvalidOid;
+			relid = binary_upgrade_next_toast_pg_class_oid;
+			binary_upgrade_next_toast_pg_class_oid = InvalidOid;
 		}
 		else
 			relid = GetNewRelFileNode(reltablespace, pg_class_desc,
diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c
index b45db4c9ec36874d4d251289551af8778622545a..5790f872fe67cfb1f3a6bcda4a654842cd84292d 100644
--- a/src/backend/catalog/index.c
+++ b/src/backend/catalog/index.c
@@ -69,7 +69,7 @@
 
 
 /* Potentially set by contrib/pg_upgrade_support functions */
-Oid			binary_upgrade_next_index_relfilenode = InvalidOid;
+Oid			binary_upgrade_next_index_pg_class_oid = InvalidOid;
 
 /* state info for validate_index bulkdelete callback */
 typedef struct
@@ -641,13 +641,13 @@ index_create(Oid heapRelationId,
 	if (!OidIsValid(indexRelationId))
 	{
 		/*
-		 *	Use binary-upgrade override for pg_class.relfilenode/oid,
+		 *	Use binary-upgrade override for pg_class.oid/relfilenode,
 		 *	if supplied.
 		 */
-		if (OidIsValid(binary_upgrade_next_index_relfilenode))
+		if (OidIsValid(binary_upgrade_next_index_pg_class_oid))
 		{
-			indexRelationId = binary_upgrade_next_index_relfilenode;
-			binary_upgrade_next_index_relfilenode = InvalidOid;
+			indexRelationId = binary_upgrade_next_index_pg_class_oid;
+			binary_upgrade_next_index_pg_class_oid = InvalidOid;
 		}
 		else
 		{
diff --git a/src/backend/catalog/toasting.c b/src/backend/catalog/toasting.c
index e4951226818f40b1ed12c19e78ed73df01980191..142beaeb6e6e0569db5820847ec51d82bcd638d2 100644
--- a/src/backend/catalog/toasting.c
+++ b/src/backend/catalog/toasting.c
@@ -32,9 +32,9 @@
 #include "utils/syscache.h"
 
 /* Potentially set by contrib/pg_upgrade_support functions */
-extern Oid	binary_upgrade_next_toast_relfilenode;
+extern Oid	binary_upgrade_next_toast_pg_class_oid;
 
-Oid			binary_upgrade_next_pg_type_toast_oid = InvalidOid;
+Oid			binary_upgrade_next_toast_pg_type_oid = InvalidOid;
 
 static bool create_toast_table(Relation rel, Oid toastOid, Oid toastIndexOid,
 				   Datum reloptions);
@@ -156,7 +156,7 @@ create_toast_table(Relation rel, Oid toastOid, Oid toastIndexOid, Datum reloptio
 	 * creation even if it seems not to need one.
 	 */
 	if (!needs_toast_table(rel) &&
-		!OidIsValid(binary_upgrade_next_toast_relfilenode))
+		!OidIsValid(binary_upgrade_next_toast_pg_class_oid))
 		return false;
 
 	/*
@@ -201,10 +201,10 @@ create_toast_table(Relation rel, Oid toastOid, Oid toastIndexOid, Datum reloptio
 		namespaceid = PG_TOAST_NAMESPACE;
 
 	/* Use binary-upgrade override for pg_type.oid, if supplied. */
-	if (OidIsValid(binary_upgrade_next_pg_type_toast_oid))
+	if (OidIsValid(binary_upgrade_next_toast_pg_type_oid))
 	{
-		toast_typid = binary_upgrade_next_pg_type_toast_oid;
-		binary_upgrade_next_pg_type_toast_oid = InvalidOid;
+		toast_typid = binary_upgrade_next_toast_pg_type_oid;
+		binary_upgrade_next_toast_pg_type_oid = InvalidOid;
 	}
 
 	toast_relid = heap_create_with_catalog(toast_relname,
diff --git a/src/backend/commands/typecmds.c b/src/backend/commands/typecmds.c
index bc66c3e6400425270d493e119d1a9c28a21b9b9e..2ecb238b9eb41343fa8a651b6c662f478ed8009c 100644
--- a/src/backend/commands/typecmds.c
+++ b/src/backend/commands/typecmds.c
@@ -75,7 +75,7 @@ typedef struct
 } RelToCheck;
 
 /* Potentially set by contrib/pg_upgrade_support functions */
-Oid			binary_upgrade_next_pg_type_array_oid = InvalidOid;
+Oid			binary_upgrade_next_array_pg_type_oid = InvalidOid;
 
 static Oid	findTypeInputFunction(List *procname, Oid typeOid);
 static Oid	findTypeOutputFunction(List *procname, Oid typeOid);
@@ -1519,10 +1519,10 @@ AssignTypeArrayOid(void)
 	Oid			type_array_oid;
 
 	/* Use binary-upgrade override for pg_type.typarray, if supplied. */
-	if (OidIsValid(binary_upgrade_next_pg_type_array_oid))
+	if (OidIsValid(binary_upgrade_next_array_pg_type_oid))
 	{
-		type_array_oid = binary_upgrade_next_pg_type_array_oid;
-		binary_upgrade_next_pg_type_array_oid = InvalidOid;
+		type_array_oid = binary_upgrade_next_array_pg_type_oid;
+		binary_upgrade_next_array_pg_type_oid = InvalidOid;
 	}
 	else
 	{
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index 95218ee83175d5ae9b3b525ad8fd99a4983de488..40b414b3ecd2036dfc1b16c82adeb0d045215c1e 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -228,7 +228,7 @@ static void binary_upgrade_set_type_oids_by_type_oid(
 								PQExpBuffer upgrade_buffer, Oid pg_type_oid);
 static bool binary_upgrade_set_type_oids_by_rel_oid(
 								 PQExpBuffer upgrade_buffer, Oid pg_rel_oid);
-static void binary_upgrade_set_relfilenodes(PQExpBuffer upgrade_buffer,
+static void binary_upgrade_set_pg_class_oids(PQExpBuffer upgrade_buffer,
 								Oid pg_class_oid, bool is_index);
 static const char *getAttrName(int attrnum, TableInfo *tblInfo);
 static const char *fmtCopyColumnList(const TableInfo *ti);
@@ -2243,7 +2243,7 @@ binary_upgrade_set_type_oids_by_type_oid(PQExpBuffer upgrade_buffer,
 		appendPQExpBuffer(upgrade_buffer,
 			   "\n-- For binary upgrade, must preserve pg_type array oid\n");
 		appendPQExpBuffer(upgrade_buffer,
-						  "SELECT binary_upgrade.set_next_pg_type_array_oid('%u'::pg_catalog.oid);\n\n",
+						  "SELECT binary_upgrade.set_next_array_pg_type_oid('%u'::pg_catalog.oid);\n\n",
 						  pg_type_array_oid);
 	}
 
@@ -2296,7 +2296,7 @@ binary_upgrade_set_type_oids_by_rel_oid(PQExpBuffer upgrade_buffer,
 
 		appendPQExpBuffer(upgrade_buffer, "\n-- For binary upgrade, must preserve pg_type toast oid\n");
 		appendPQExpBuffer(upgrade_buffer,
-						  "SELECT binary_upgrade.set_next_pg_type_toast_oid('%u'::pg_catalog.oid);\n\n",
+						  "SELECT binary_upgrade.set_next_toast_pg_type_oid('%u'::pg_catalog.oid);\n\n",
 						  pg_type_toast_oid);
 
 		toast_set = true;
@@ -2309,24 +2309,17 @@ binary_upgrade_set_type_oids_by_rel_oid(PQExpBuffer upgrade_buffer,
 }
 
 static void
-binary_upgrade_set_relfilenodes(PQExpBuffer upgrade_buffer, Oid pg_class_oid,
+binary_upgrade_set_pg_class_oids(PQExpBuffer upgrade_buffer, Oid pg_class_oid,
 								bool is_index)
 {
 	PQExpBuffer upgrade_query = createPQExpBuffer();
 	int			ntups;
 	PGresult   *upgrade_res;
-	Oid			pg_class_relfilenode;
 	Oid			pg_class_reltoastrelid;
 	Oid			pg_class_reltoastidxid;
 
-	/*
-	 * Note: we don't need to use pg_relation_filenode() here because this
-	 * function is not intended to be used against system catalogs. Otherwise
-	 * we'd have to worry about which versions pg_relation_filenode is
-	 * available in.
-	 */
 	appendPQExpBuffer(upgrade_query,
-					"SELECT c.relfilenode, c.reltoastrelid, t.reltoastidxid "
+					"SELECT c.reltoastrelid, t.reltoastidxid "
 					  "FROM pg_catalog.pg_class c LEFT JOIN "
 					  "pg_catalog.pg_class t ON (c.reltoastrelid = t.oid) "
 					  "WHERE c.oid = '%u'::pg_catalog.oid;",
@@ -2346,44 +2339,43 @@ binary_upgrade_set_relfilenodes(PQExpBuffer upgrade_buffer, Oid pg_class_oid,
 		exit_nicely();
 	}
 
-	pg_class_relfilenode = atooid(PQgetvalue(upgrade_res, 0, PQfnumber(upgrade_res, "relfilenode")));
 	pg_class_reltoastrelid = atooid(PQgetvalue(upgrade_res, 0, PQfnumber(upgrade_res, "reltoastrelid")));
 	pg_class_reltoastidxid = atooid(PQgetvalue(upgrade_res, 0, PQfnumber(upgrade_res, "reltoastidxid")));
 
 	appendPQExpBuffer(upgrade_buffer,
-					"\n-- For binary upgrade, must preserve relfilenodes\n");
+					"\n-- For binary upgrade, must preserve pg_class oids\n");
 
 	if (!is_index)
 	{
 		appendPQExpBuffer(upgrade_buffer,
-						  "SELECT binary_upgrade.set_next_heap_relfilenode('%u'::pg_catalog.oid);\n",
-						  pg_class_relfilenode);
+						  "SELECT binary_upgrade.set_next_heap_pg_class_oid('%u'::pg_catalog.oid);\n",
+						  pg_class_oid);
 		/* only tables have toast tables, not indexes */
 		if (OidIsValid(pg_class_reltoastrelid))
 		{
 			/*
-			 * One complexity is that the table definition might not require the
-			 * creation of a TOAST table, and the TOAST table might have been
-			 * created long after table creation, when the table was loaded with
-			 * wide data.  By setting the TOAST relfilenode we force creation of
-			 * the TOAST heap and TOAST index by the backend so we can cleanly
-			 * migrate the files during binary migration.
+			 * One complexity is that the table definition might not require
+			 * the creation of a TOAST table, and the TOAST table might have
+			 * been created long after table creation, when the table was
+			 * loaded with wide data.  By setting the TOAST oid we force
+			 * creation of the TOAST heap and TOAST index by the backend
+			 * so we can cleanly copy the files during binary upgrade.
 			 */
 	
 			appendPQExpBuffer(upgrade_buffer,
-							  "SELECT binary_upgrade.set_next_toast_relfilenode('%u'::pg_catalog.oid);\n",
+							  "SELECT binary_upgrade.set_next_toast_pg_class_oid('%u'::pg_catalog.oid);\n",
 							  pg_class_reltoastrelid);
 	
 			/* every toast table has an index */
 			appendPQExpBuffer(upgrade_buffer,
-							  "SELECT binary_upgrade.set_next_index_relfilenode('%u'::pg_catalog.oid);\n",
+							  "SELECT binary_upgrade.set_next_index_pg_class_oid('%u'::pg_catalog.oid);\n",
 							  pg_class_reltoastidxid);
 		}
 	}
 	else
 		appendPQExpBuffer(upgrade_buffer,
-						  "SELECT binary_upgrade.set_next_index_relfilenode('%u'::pg_catalog.oid);\n",
-						  pg_class_relfilenode);
+						  "SELECT binary_upgrade.set_next_index_pg_class_oid('%u'::pg_catalog.oid);\n",
+						  pg_class_oid);
 
 	appendPQExpBuffer(upgrade_buffer, "\n");
 
@@ -7364,7 +7356,7 @@ dumpCompositeType(Archive *fout, TypeInfo *tyinfo)
 		Oid			typrelid = atooid(PQgetvalue(res, 0, i_typrelid));
 
 		binary_upgrade_set_type_oids_by_type_oid(q, tyinfo->dobj.catId.oid);
-		binary_upgrade_set_relfilenodes(q, typrelid, false);
+		binary_upgrade_set_pg_class_oids(q, typrelid, false);
 	}
 
 	appendPQExpBuffer(q, "CREATE TYPE %s AS (",
@@ -11083,7 +11075,7 @@ dumpTableSchema(Archive *fout, TableInfo *tbinfo)
 						  fmtId(tbinfo->dobj.name));
 
 		if (binary_upgrade)
-			binary_upgrade_set_relfilenodes(q, tbinfo->dobj.catId.oid, false);
+			binary_upgrade_set_pg_class_oids(q, tbinfo->dobj.catId.oid, false);
 
 		appendPQExpBuffer(q, "CREATE VIEW %s AS\n    %s\n",
 						  fmtId(tbinfo->dobj.name), viewdef);
@@ -11134,7 +11126,7 @@ dumpTableSchema(Archive *fout, TableInfo *tbinfo)
 						  fmtId(tbinfo->dobj.name));
 
 		if (binary_upgrade)
-			binary_upgrade_set_relfilenodes(q, tbinfo->dobj.catId.oid, false);
+			binary_upgrade_set_pg_class_oids(q, tbinfo->dobj.catId.oid, false);
 
 		appendPQExpBuffer(q, "CREATE %s%s %s",
 						  tbinfo->relpersistence == RELPERSISTENCE_UNLOGGED ?
@@ -11616,7 +11608,7 @@ dumpIndex(Archive *fout, IndxInfo *indxinfo)
 	if (indxinfo->indexconstraint == 0)
 	{
 		if (binary_upgrade)
-			binary_upgrade_set_relfilenodes(q, indxinfo->dobj.catId.oid, true);
+			binary_upgrade_set_pg_class_oids(q, indxinfo->dobj.catId.oid, true);
 
 		/* Plain secondary index */
 		appendPQExpBuffer(q, "%s;\n", indxinfo->indexdef);
@@ -11699,7 +11691,7 @@ dumpConstraint(Archive *fout, ConstraintInfo *coninfo)
 		}
 
 		if (binary_upgrade && !coninfo->condef)
-			binary_upgrade_set_relfilenodes(q, indxinfo->dobj.catId.oid, true);
+			binary_upgrade_set_pg_class_oids(q, indxinfo->dobj.catId.oid, true);
 
 		appendPQExpBuffer(q, "ALTER TABLE ONLY %s\n",
 						  fmtId(tbinfo->dobj.name));
@@ -12112,7 +12104,7 @@ dumpSequence(Archive *fout, TableInfo *tbinfo)
 
 		if (binary_upgrade)
 		{
-			binary_upgrade_set_relfilenodes(query, tbinfo->dobj.catId.oid, false);
+			binary_upgrade_set_pg_class_oids(query, tbinfo->dobj.catId.oid, false);
 			binary_upgrade_set_type_oids_by_rel_oid(query, tbinfo->dobj.catId.oid);
 		}