1 files changed, 89 insertions, 0 deletions
diff --git a/src/include/catalog/objectaddress.h b/src/include/catalog/objectaddress.h
new file mode 100644
index 0000000..9caa310
--- /dev/null
+++ b/src/include/catalog/objectaddress.h
@@ -0,0 +1,89 @@
+/*-------------------------------------------------------------------------
+ *
+ * objectaddress.h
+ *	  functions for working with object addresses
+ *
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/catalog/objectaddress.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef OBJECTADDRESS_H
+#define OBJECTADDRESS_H
+
+#include "access/htup.h"
+#include "nodes/parsenodes.h"
+#include "storage/lockdefs.h"
+#include "utils/relcache.h"
+
+/*
+ * An ObjectAddress represents a database object of any type.
+ */
+typedef struct ObjectAddress
+{
+	Oid			classId;		/* Class Id from pg_class */
+	Oid			objectId;		/* OID of the object */
+	int32		objectSubId;	/* Subitem within object (eg column), or 0 */
+} ObjectAddress;
+
+extern PGDLLIMPORT const ObjectAddress InvalidObjectAddress;
+
+#define ObjectAddressSubSet(addr, class_id, object_id, object_sub_id) \
+	do { \
+		(addr).classId = (class_id); \
+		(addr).objectId = (object_id); \
+		(addr).objectSubId = (object_sub_id); \
+	} while (0)
+
+#define ObjectAddressSet(addr, class_id, object_id) \
+	ObjectAddressSubSet(addr, class_id, object_id, 0)
+
+extern ObjectAddress get_object_address(ObjectType objtype, Node *object,
+										Relation *relp,
+										LOCKMODE lockmode, bool missing_ok);
+
+extern ObjectAddress get_object_address_rv(ObjectType objtype, RangeVar *rel,
+										   List *object, Relation *relp,
+										   LOCKMODE lockmode, bool missing_ok);
+
+extern void check_object_ownership(Oid roleid,
+								   ObjectType objtype, ObjectAddress address,
+								   Node *object, Relation relation);
+
+extern Oid	get_object_namespace(const ObjectAddress *address);
+
+extern bool is_objectclass_supported(Oid class_id);
+extern const char *get_object_class_descr(Oid class_id);
+extern Oid	get_object_oid_index(Oid class_id);
+extern int	get_object_catcache_oid(Oid class_id);
+extern int	get_object_catcache_name(Oid class_id);
+extern AttrNumber get_object_attnum_oid(Oid class_id);
+extern AttrNumber get_object_attnum_name(Oid class_id);
+extern AttrNumber get_object_attnum_namespace(Oid class_id);
+extern AttrNumber get_object_attnum_owner(Oid class_id);
+extern AttrNumber get_object_attnum_acl(Oid class_id);
+extern ObjectType get_object_type(Oid class_id, Oid object_id);
+extern bool get_object_namensp_unique(Oid class_id);
+
+extern HeapTuple get_catalog_object_by_oid(Relation catalog,
+										   AttrNumber oidcol, Oid objectId);
+
+extern char *getObjectDescription(const ObjectAddress *object,
+								  bool missing_ok);
+extern char *getObjectDescriptionOids(Oid classid, Oid objid);
+
+extern int	read_objtype_from_string(const char *objtype);
+extern char *getObjectTypeDescription(const ObjectAddress *object,
+									  bool missing_ok);
+extern char *getObjectIdentity(const ObjectAddress *object,
+							   bool missing_ok);
+extern char *getObjectIdentityParts(const ObjectAddress *object,
+									List **objname, List **objargs,
+									bool missing_ok);
+extern struct ArrayType *strlist_to_textarray(List *list);
+
+extern ObjectType get_relkind_objtype(char relkind);
+
+#endif							/* OBJECTADDRESS_H */