Files
openGauss-server/src/include/catalog/objectaddress.h
2023-12-13 15:39:36 +08:00

121 lines
5.0 KiB
C

/* -------------------------------------------------------------------------
*
* objectaddress.h
* functions for working with object addresses
*
* Portions Copyright (c) 1996-2012, 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 "nodes/parsenodes.h"
#include "storage/lock/lock.h"
#include "utils/relcache.h"
#include "utils/acl.h"
typedef enum TrDropMode {
RB_DROP_MODE_INVALID = 0,
RB_DROP_MODE_LOGIC = 1,
RB_DROP_MODE_PHYSICAL = 2,
} TrDropMode;
typedef struct {
Oid class_oid; /* oid of catalog */
Oid oid_index_oid; /* oid of index on system oid column */
int oid_catcache_id; /* id of catcache on system oid column */
int name_catcache_id; /* id of catcache on (name,namespace), or
* (name) if the object does not live in a
* namespace */
AttrNumber attnum_name; /* attnum of name field */
AttrNumber attnum_namespace; /* attnum of namespace field */
AttrNumber attnum_owner; /* attnum of owner field */
AttrNumber attnum_acl; /* attnum of acl field */
ObjectType objtype; /* OBJECT_* of this object type */
bool is_nsp_name_unique; /* can the nsp/name combination (or name
* alone, if there's no namespace) be
* considered a unique identifier for an
* object of this class? */
} ObjectPropertyType;
#define TrDropModeIsAlreadySet(obj) ((obj)->rbDropMode != RB_DROP_MODE_INVALID)
#define TrObjIsEqual(objA, objB) ((objA)->classId == (objB)->classId && (objA)->objectId == (objB)->objectId)
#define TrObjIsEqualEx(_classId, _objectId, objB) ((_classId) == (objB)->classId && (_objectId) == (objB)->objectId)
/*
* 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 */
/* Used to tag Drop-Mode in recyclebin-based timecapsule. */
TrDropMode rbDropMode; /* logic drop or physical drop */
char deptype; /* Indicates the deptype that the object is referenced by other object. */
} ObjectAddress;
#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 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, List *objname,
List *objargs, Relation *relp,
LOCKMODE lockmode, bool missing_ok);
extern void check_object_ownership(Oid roleid,
ObjectType objtype, ObjectAddress address,
List *objname, List *objargs, Relation relation);
extern int get_object_catcache_oid(Oid class_id);
extern char *getObjectTypeDescription(const ObjectAddress *object);
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_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 AclObjectKind get_object_aclkind(Oid class_id);
extern ObjectType get_object_type(Oid class_id, Oid object_id);
extern bool get_object_namensp_unique(Oid class_id);
extern ObjectType get_relkind_objtype(char relkind);
extern Oid get_object_namespace(const ObjectAddress *address);
extern char *getObjectTypeDescription(const ObjectAddress *object);
extern bool is_objectclass_supported(Oid class_id);
extern HeapTuple get_catalog_object_by_oid(Relation catalog,
Oid objectId);
extern HeapTuple get_catalog_object_by_oid(Relation catalog, AttrNumber oidcol, Oid objectId);
extern char *getObjectIdentity(const ObjectAddress *address);
extern int read_objtype_from_string(const char *objtype);
extern char *getObjectIdentityParts(const ObjectAddress *address,
List **objname, List **objargs);
extern ArrayType *strlist_to_textarray(List *list);
extern Oid get_object_package(const ObjectAddress* address);
#endif /* PARSE_OBJECT_H */