| 1 | /*------------------------------------------------------------------------- |
| 2 | * |
| 3 | * objectaddress.h |
| 4 | * functions for working with object addresses |
| 5 | * |
| 6 | * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group |
| 7 | * Portions Copyright (c) 1994, Regents of the University of California |
| 8 | * |
| 9 | * src/include/catalog/objectaddress.h |
| 10 | * |
| 11 | *------------------------------------------------------------------------- |
| 12 | */ |
| 13 | #ifndef OBJECTADDRESS_H |
| 14 | #define OBJECTADDRESS_H |
| 15 | |
| 16 | #include "nodes/pg_list.h" |
| 17 | #include "storage/lockdefs.h" |
| 18 | #include "utils/acl.h" |
| 19 | #include "utils/relcache.h" |
| 20 | |
| 21 | /* |
| 22 | * An ObjectAddress represents a database object of any type. |
| 23 | */ |
| 24 | typedef struct ObjectAddress |
| 25 | { |
| 26 | Oid classId; /* Class Id from pg_class */ |
| 27 | Oid objectId; /* OID of the object */ |
| 28 | int32 objectSubId; /* Subitem within object (eg column), or 0 */ |
| 29 | } ObjectAddress; |
| 30 | |
| 31 | extern const ObjectAddress InvalidObjectAddress; |
| 32 | |
| 33 | #define ObjectAddressSubSet(addr, class_id, object_id, object_sub_id) \ |
| 34 | do { \ |
| 35 | (addr).classId = (class_id); \ |
| 36 | (addr).objectId = (object_id); \ |
| 37 | (addr).objectSubId = (object_sub_id); \ |
| 38 | } while (0) |
| 39 | |
| 40 | #define ObjectAddressSet(addr, class_id, object_id) \ |
| 41 | ObjectAddressSubSet(addr, class_id, object_id, 0) |
| 42 | |
| 43 | extern ObjectAddress get_object_address(ObjectType objtype, Node *object, |
| 44 | Relation *relp, |
| 45 | LOCKMODE lockmode, bool missing_ok); |
| 46 | |
| 47 | extern ObjectAddress get_object_address_rv(ObjectType objtype, RangeVar *rel, |
| 48 | List *object, Relation *relp, |
| 49 | LOCKMODE lockmode, bool missing_ok); |
| 50 | |
| 51 | extern void check_object_ownership(Oid roleid, |
| 52 | ObjectType objtype, ObjectAddress address, |
| 53 | Node *object, Relation relation); |
| 54 | |
| 55 | extern Oid get_object_namespace(const ObjectAddress *address); |
| 56 | |
| 57 | extern bool is_objectclass_supported(Oid class_id); |
| 58 | extern Oid get_object_oid_index(Oid class_id); |
| 59 | extern int get_object_catcache_oid(Oid class_id); |
| 60 | extern int get_object_catcache_name(Oid class_id); |
| 61 | extern AttrNumber get_object_attnum_oid(Oid class_id); |
| 62 | extern AttrNumber get_object_attnum_name(Oid class_id); |
| 63 | extern AttrNumber get_object_attnum_namespace(Oid class_id); |
| 64 | extern AttrNumber get_object_attnum_owner(Oid class_id); |
| 65 | extern AttrNumber get_object_attnum_acl(Oid class_id); |
| 66 | extern ObjectType get_object_type(Oid class_id, Oid object_id); |
| 67 | extern bool get_object_namensp_unique(Oid class_id); |
| 68 | |
| 69 | extern HeapTuple get_catalog_object_by_oid(Relation catalog, |
| 70 | AttrNumber oidcol, Oid objectId); |
| 71 | |
| 72 | extern char *getObjectDescription(const ObjectAddress *object); |
| 73 | extern char *getObjectDescriptionOids(Oid classid, Oid objid); |
| 74 | |
| 75 | extern int read_objtype_from_string(const char *objtype); |
| 76 | extern char *getObjectTypeDescription(const ObjectAddress *object); |
| 77 | extern char *getObjectIdentity(const ObjectAddress *address); |
| 78 | extern char *getObjectIdentityParts(const ObjectAddress *address, |
| 79 | List **objname, List **objargs); |
| 80 | extern ArrayType *strlist_to_textarray(List *list); |
| 81 | |
| 82 | extern ObjectType get_relkind_objtype(char relkind); |
| 83 | |
| 84 | #endif /* OBJECTADDRESS_H */ |
| 85 | |