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alter.h File Reference
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Functions

ObjectAddress ExecRenameStmt (RenameStmt *stmt)
 
ObjectAddress ExecAlterObjectDependsStmt (AlterObjectDependsStmt *stmt, ObjectAddress *refAddress)
 
ObjectAddress ExecAlterObjectSchemaStmt (AlterObjectSchemaStmt *stmt, ObjectAddress *oldSchemaAddr)
 
Oid AlterObjectNamespace_oid (Oid classId, Oid objid, Oid nspOid, ObjectAddresses *objsMoved)
 
ObjectAddress ExecAlterOwnerStmt (AlterOwnerStmt *stmt)
 
void AlterObjectOwner_internal (Relation catalog, Oid objectId, Oid new_ownerId)
 

Function Documentation

◆ AlterObjectNamespace_oid()

Oid AlterObjectNamespace_oid ( Oid  classId,
Oid  objid,
Oid  nspOid,
ObjectAddresses objsMoved 
)

Definition at line 557 of file alter.c.

References AccessExclusiveLock, AlterObjectNamespace_internal(), AlterTableNamespaceInternal(), AlterTypeNamespace_oid(), ObjectAddress::classId, getObjectClass(), heap_close, heap_open(), InvalidOid, NoLock, ObjectAddress::objectId, ObjectAddress::objectSubId, OCLASS_AM, OCLASS_AMOP, OCLASS_AMPROC, OCLASS_CAST, OCLASS_CLASS, OCLASS_COLLATION, OCLASS_CONSTRAINT, OCLASS_CONVERSION, OCLASS_DATABASE, OCLASS_DEFACL, OCLASS_DEFAULT, OCLASS_EVENT_TRIGGER, OCLASS_EXTENSION, OCLASS_FDW, OCLASS_FOREIGN_SERVER, OCLASS_LANGUAGE, OCLASS_LARGEOBJECT, OCLASS_OPCLASS, OCLASS_OPERATOR, OCLASS_OPFAMILY, OCLASS_POLICY, OCLASS_PROC, OCLASS_PUBLICATION, OCLASS_PUBLICATION_REL, OCLASS_REWRITE, OCLASS_ROLE, OCLASS_SCHEMA, OCLASS_STATISTIC_EXT, OCLASS_SUBSCRIPTION, OCLASS_TBLSPACE, OCLASS_TRANSFORM, OCLASS_TRIGGER, OCLASS_TSCONFIG, OCLASS_TSDICT, OCLASS_TSPARSER, OCLASS_TSTEMPLATE, OCLASS_TYPE, OCLASS_USER_MAPPING, relation_close(), relation_open(), RelationGetNamespace, and RowExclusiveLock.

Referenced by AlterExtensionNamespace().

559 {
560  Oid oldNspOid = InvalidOid;
561  ObjectAddress dep;
562 
563  dep.classId = classId;
564  dep.objectId = objid;
565  dep.objectSubId = 0;
566 
567  switch (getObjectClass(&dep))
568  {
569  case OCLASS_CLASS:
570  {
571  Relation rel;
572 
573  rel = relation_open(objid, AccessExclusiveLock);
574  oldNspOid = RelationGetNamespace(rel);
575 
576  AlterTableNamespaceInternal(rel, oldNspOid, nspOid, objsMoved);
577 
578  relation_close(rel, NoLock);
579  break;
580  }
581 
582  case OCLASS_TYPE:
583  oldNspOid = AlterTypeNamespace_oid(objid, nspOid, objsMoved);
584  break;
585 
586  case OCLASS_PROC:
587  case OCLASS_COLLATION:
588  case OCLASS_CONVERSION:
589  case OCLASS_OPERATOR:
590  case OCLASS_OPCLASS:
591  case OCLASS_OPFAMILY:
593  case OCLASS_TSPARSER:
594  case OCLASS_TSDICT:
595  case OCLASS_TSTEMPLATE:
596  case OCLASS_TSCONFIG:
597  {
598  Relation catalog;
599 
600  catalog = heap_open(classId, RowExclusiveLock);
601 
602  oldNspOid = AlterObjectNamespace_internal(catalog, objid,
603  nspOid);
604 
605  heap_close(catalog, RowExclusiveLock);
606  }
607  break;
608 
609  case OCLASS_CAST:
610  case OCLASS_CONSTRAINT:
611  case OCLASS_DEFAULT:
612  case OCLASS_LANGUAGE:
613  case OCLASS_LARGEOBJECT:
614  case OCLASS_AM:
615  case OCLASS_AMOP:
616  case OCLASS_AMPROC:
617  case OCLASS_REWRITE:
618  case OCLASS_TRIGGER:
619  case OCLASS_SCHEMA:
620  case OCLASS_ROLE:
621  case OCLASS_DATABASE:
622  case OCLASS_TBLSPACE:
623  case OCLASS_FDW:
625  case OCLASS_USER_MAPPING:
626  case OCLASS_DEFACL:
627  case OCLASS_EXTENSION:
629  case OCLASS_POLICY:
630  case OCLASS_PUBLICATION:
632  case OCLASS_SUBSCRIPTION:
633  case OCLASS_TRANSFORM:
634  /* ignore object types that don't have schema-qualified names */
635  break;
636 
637  /*
638  * There's intentionally no default: case here; we want the
639  * compiler to warn if a new OCLASS hasn't been handled above.
640  */
641  }
642 
643  return oldNspOid;
644 }
static Oid AlterObjectNamespace_internal(Relation rel, Oid objid, Oid nspOid)
Definition: alter.c:658
void relation_close(Relation relation, LOCKMODE lockmode)
Definition: heapam.c:1270
#define heap_close(r, l)
Definition: heapam.h:97
unsigned int Oid
Definition: postgres_ext.h:31
ObjectClass getObjectClass(const ObjectAddress *object)
Definition: dependency.c:2416
void AlterTableNamespaceInternal(Relation rel, Oid oldNspOid, Oid nspOid, ObjectAddresses *objsMoved)
Definition: tablecmds.c:12923
#define NoLock
Definition: lockdefs.h:34
#define RowExclusiveLock
Definition: lockdefs.h:38
Oid AlterTypeNamespace_oid(Oid typeOid, Oid nspOid, ObjectAddresses *objsMoved)
Definition: typecmds.c:3540
Relation heap_open(Oid relationId, LOCKMODE lockmode)
Definition: heapam.c:1294
#define InvalidOid
Definition: postgres_ext.h:36
#define AccessExclusiveLock
Definition: lockdefs.h:45
Relation relation_open(Oid relationId, LOCKMODE lockmode)
Definition: heapam.c:1124
#define RelationGetNamespace(relation)
Definition: rel.h:448

◆ AlterObjectOwner_internal()

void AlterObjectOwner_internal ( Relation  catalog,
Oid  objectId,
Oid  new_ownerId 
)

Definition at line 903 of file alter.c.

References ACL_CREATE, aclcheck_error(), ACLCHECK_NOT_OWNER, ACLCHECK_OK, aclnewowner(), Assert, CatalogTupleUpdate(), changeDependencyOnOwner(), check_is_member_of_role(), DatumGetAclP, DatumGetName, DatumGetObjectId, elog, ERROR, get_catalog_object_by_oid(), get_namespace_name(), get_object_attnum_acl(), get_object_attnum_name(), get_object_attnum_namespace(), get_object_attnum_owner(), get_object_type(), GetUserId(), has_privs_of_role(), heap_getattr, heap_modify_tuple(), HeapTupleGetOid, InvalidAttrNumber, InvalidOid, InvokeObjectPostAlterHook, NAMEDATALEN, NameStr, OBJECT_SCHEMA, ObjectIdGetDatum, OidIsValid, palloc0(), pfree(), pg_namespace_aclcheck(), PointerGetDatum, RelationGetDescr, RelationGetNumberOfAttributes, RelationGetRelationName, RelationGetRelid, snprintf(), superuser(), HeapTupleData::t_self, and values.

Referenced by ExecAlterOwnerStmt(), and shdepReassignOwned().

904 {
905  Oid classId = RelationGetRelid(rel);
906  AttrNumber Anum_owner = get_object_attnum_owner(classId);
907  AttrNumber Anum_namespace = get_object_attnum_namespace(classId);
908  AttrNumber Anum_acl = get_object_attnum_acl(classId);
909  AttrNumber Anum_name = get_object_attnum_name(classId);
910  HeapTuple oldtup;
911  Datum datum;
912  bool isnull;
913  Oid old_ownerId;
914  Oid namespaceId = InvalidOid;
915 
916  oldtup = get_catalog_object_by_oid(rel, objectId);
917  if (oldtup == NULL)
918  elog(ERROR, "cache lookup failed for object %u of catalog \"%s\"",
919  objectId, RelationGetRelationName(rel));
920 
921  datum = heap_getattr(oldtup, Anum_owner,
922  RelationGetDescr(rel), &isnull);
923  Assert(!isnull);
924  old_ownerId = DatumGetObjectId(datum);
925 
926  if (Anum_namespace != InvalidAttrNumber)
927  {
928  datum = heap_getattr(oldtup, Anum_namespace,
929  RelationGetDescr(rel), &isnull);
930  Assert(!isnull);
931  namespaceId = DatumGetObjectId(datum);
932  }
933 
934  if (old_ownerId != new_ownerId)
935  {
936  AttrNumber nattrs;
937  HeapTuple newtup;
938  Datum *values;
939  bool *nulls;
940  bool *replaces;
941 
942  /* Superusers can bypass permission checks */
943  if (!superuser())
944  {
945  ObjectType objtype = get_object_type(classId, objectId);
946 
947  /* must be owner */
948  if (!has_privs_of_role(GetUserId(), old_ownerId))
949  {
950  char *objname;
951  char namebuf[NAMEDATALEN];
952 
953  if (Anum_name != InvalidAttrNumber)
954  {
955  datum = heap_getattr(oldtup, Anum_name,
956  RelationGetDescr(rel), &isnull);
957  Assert(!isnull);
958  objname = NameStr(*DatumGetName(datum));
959  }
960  else
961  {
962  snprintf(namebuf, sizeof(namebuf), "%u",
963  HeapTupleGetOid(oldtup));
964  objname = namebuf;
965  }
966  aclcheck_error(ACLCHECK_NOT_OWNER, objtype, objname);
967  }
968  /* Must be able to become new owner */
969  check_is_member_of_role(GetUserId(), new_ownerId);
970 
971  /* New owner must have CREATE privilege on namespace */
972  if (OidIsValid(namespaceId))
973  {
974  AclResult aclresult;
975 
976  aclresult = pg_namespace_aclcheck(namespaceId, new_ownerId,
977  ACL_CREATE);
978  if (aclresult != ACLCHECK_OK)
979  aclcheck_error(aclresult, OBJECT_SCHEMA,
980  get_namespace_name(namespaceId));
981  }
982  }
983 
984  /* Build a modified tuple */
985  nattrs = RelationGetNumberOfAttributes(rel);
986  values = palloc0(nattrs * sizeof(Datum));
987  nulls = palloc0(nattrs * sizeof(bool));
988  replaces = palloc0(nattrs * sizeof(bool));
989  values[Anum_owner - 1] = ObjectIdGetDatum(new_ownerId);
990  replaces[Anum_owner - 1] = true;
991 
992  /*
993  * Determine the modified ACL for the new owner. This is only
994  * necessary when the ACL is non-null.
995  */
996  if (Anum_acl != InvalidAttrNumber)
997  {
998  datum = heap_getattr(oldtup,
999  Anum_acl, RelationGetDescr(rel), &isnull);
1000  if (!isnull)
1001  {
1002  Acl *newAcl;
1003 
1004  newAcl = aclnewowner(DatumGetAclP(datum),
1005  old_ownerId, new_ownerId);
1006  values[Anum_acl - 1] = PointerGetDatum(newAcl);
1007  replaces[Anum_acl - 1] = true;
1008  }
1009  }
1010 
1011  newtup = heap_modify_tuple(oldtup, RelationGetDescr(rel),
1012  values, nulls, replaces);
1013 
1014  /* Perform actual update */
1015  CatalogTupleUpdate(rel, &newtup->t_self, newtup);
1016 
1017  /* Update owner dependency reference */
1018  if (classId == LargeObjectMetadataRelationId)
1019  classId = LargeObjectRelationId;
1020  changeDependencyOnOwner(classId, HeapTupleGetOid(newtup), new_ownerId);
1021 
1022  /* Release memory */
1023  pfree(values);
1024  pfree(nulls);
1025  pfree(replaces);
1026  }
1027 
1028  InvokeObjectPostAlterHook(classId, objectId, 0);
1029 }
AttrNumber get_object_attnum_owner(Oid class_id)
#define RelationGetDescr(relation)
Definition: rel.h:433
Oid GetUserId(void)
Definition: miscinit.c:379
#define RelationGetNumberOfAttributes(relation)
Definition: rel.h:413
#define DatumGetAclP(X)
Definition: acl.h:121
#define PointerGetDatum(X)
Definition: postgres.h:539
#define DatumGetObjectId(X)
Definition: postgres.h:483
bool has_privs_of_role(Oid member, Oid role)
Definition: acl.c:4833
bool superuser(void)
Definition: superuser.c:47
int snprintf(char *str, size_t count, const char *fmt,...) pg_attribute_printf(3
AttrNumber get_object_attnum_namespace(Oid class_id)
unsigned int Oid
Definition: postgres_ext.h:31
#define OidIsValid(objectId)
Definition: c.h:605
AclResult pg_namespace_aclcheck(Oid nsp_oid, Oid roleid, AclMode mode)
Definition: aclchk.c:4686
#define NAMEDATALEN
#define DatumGetName(X)
Definition: postgres.h:568
void changeDependencyOnOwner(Oid classId, Oid objectId, Oid newOwnerId)
Definition: pg_shdepend.c:304
void aclcheck_error(AclResult aclerr, ObjectType objtype, const char *objectname)
Definition: aclchk.c:3348
void pfree(void *pointer)
Definition: mcxt.c:1031
#define ObjectIdGetDatum(X)
Definition: postgres.h:490
#define ERROR
Definition: elog.h:43
#define ACL_CREATE
Definition: parsenodes.h:84
ItemPointerData t_self
Definition: htup.h:65
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3051
AttrNumber get_object_attnum_acl(Oid class_id)
#define RelationGetRelationName(relation)
Definition: rel.h:441
void check_is_member_of_role(Oid member, Oid role)
Definition: acl.c:4879
#define InvokeObjectPostAlterHook(classId, objectId, subId)
Definition: objectaccess.h:163
ObjectType
Definition: parsenodes.h:1634
#define heap_getattr(tup, attnum, tupleDesc, isnull)
Definition: htup_details.h:786
AttrNumber get_object_attnum_name(Oid class_id)
void * palloc0(Size size)
Definition: mcxt.c:955
AclResult
Definition: acl.h:178
uintptr_t Datum
Definition: postgres.h:365
#define InvalidOid
Definition: postgres_ext.h:36
#define Assert(condition)
Definition: c.h:699
void CatalogTupleUpdate(Relation heapRel, ItemPointer otid, HeapTuple tup)
Definition: indexing.c:211
ObjectType get_object_type(Oid class_id, Oid object_id)
HeapTuple get_catalog_object_by_oid(Relation catalog, Oid objectId)
#define InvalidAttrNumber
Definition: attnum.h:23
static Datum values[MAXATTR]
Definition: bootstrap.c:164
#define NameStr(name)
Definition: c.h:576
#define elog
Definition: elog.h:219
#define HeapTupleGetOid(tuple)
Definition: htup_details.h:712
HeapTuple heap_modify_tuple(HeapTuple tuple, TupleDesc tupleDesc, Datum *replValues, bool *replIsnull, bool *doReplace)
Definition: heaptuple.c:1173
Acl * aclnewowner(const Acl *old_acl, Oid oldOwnerId, Oid newOwnerId)
Definition: acl.c:1052
int16 AttrNumber
Definition: attnum.h:21
#define RelationGetRelid(relation)
Definition: rel.h:407

◆ ExecAlterObjectDependsStmt()

ObjectAddress ExecAlterObjectDependsStmt ( AlterObjectDependsStmt stmt,
ObjectAddress refAddress 
)

Definition at line 425 of file alter.c.

References AccessExclusiveLock, Assert, DEPENDENCY_AUTO_EXTENSION, AlterObjectDependsStmt::extname, get_object_address(), get_object_address_rv(), heap_close, NoLock, AlterObjectDependsStmt::object, OBJECT_EXTENSION, AlterObjectDependsStmt::objectType, recordDependencyOn(), and AlterObjectDependsStmt::relation.

Referenced by ProcessUtilitySlow(), and standard_ProcessUtility().

426 {
427  ObjectAddress address;
428  ObjectAddress refAddr;
429  Relation rel;
430 
431  address =
432  get_object_address_rv(stmt->objectType, stmt->relation, (List *) stmt->object,
433  &rel, AccessExclusiveLock, false);
434 
435  /*
436  * If a relation was involved, it would have been opened and locked. We
437  * don't need the relation here, but we'll retain the lock until commit.
438  */
439  if (rel)
440  heap_close(rel, NoLock);
441 
442  refAddr = get_object_address(OBJECT_EXTENSION, (Node *) stmt->extname,
443  &rel, AccessExclusiveLock, false);
444  Assert(rel == NULL);
445  if (refAddress)
446  *refAddress = refAddr;
447 
448  recordDependencyOn(&address, &refAddr, DEPENDENCY_AUTO_EXTENSION);
449 
450  return address;
451 }
Definition: nodes.h:517
void recordDependencyOn(const ObjectAddress *depender, const ObjectAddress *referenced, DependencyType behavior)
Definition: pg_depend.c:44
#define heap_close(r, l)
Definition: heapam.h:97
#define NoLock
Definition: lockdefs.h:34
ObjectAddress get_object_address_rv(ObjectType objtype, RangeVar *rel, List *object, Relation *relp, LOCKMODE lockmode, bool missing_ok)
#define Assert(condition)
Definition: c.h:699
ObjectAddress get_object_address(ObjectType objtype, Node *object, Relation *relp, LOCKMODE lockmode, bool missing_ok)
#define AccessExclusiveLock
Definition: lockdefs.h:45
Definition: pg_list.h:45

◆ ExecAlterObjectSchemaStmt()

ObjectAddress ExecAlterObjectSchemaStmt ( AlterObjectSchemaStmt stmt,
ObjectAddress oldSchemaAddr 
)

Definition at line 463 of file alter.c.

References AccessExclusiveLock, AlterExtensionNamespace(), AlterObjectNamespace_internal(), AlterTableNamespace(), AlterTypeNamespace(), Assert, castNode, ObjectAddress::classId, elog, ERROR, get_object_address(), heap_close, heap_open(), InvalidObjectAddress, LookupCreationNamespace(), AlterObjectSchemaStmt::newschema, AlterObjectSchemaStmt::object, OBJECT_AGGREGATE, OBJECT_COLLATION, OBJECT_CONVERSION, OBJECT_DOMAIN, OBJECT_EXTENSION, OBJECT_FOREIGN_TABLE, OBJECT_FUNCTION, OBJECT_MATVIEW, OBJECT_OPCLASS, OBJECT_OPERATOR, OBJECT_OPFAMILY, OBJECT_PROCEDURE, OBJECT_ROUTINE, OBJECT_SEQUENCE, OBJECT_STATISTIC_EXT, OBJECT_TABLE, OBJECT_TSCONFIGURATION, OBJECT_TSDICTIONARY, OBJECT_TSPARSER, OBJECT_TSTEMPLATE, OBJECT_TYPE, OBJECT_VIEW, ObjectAddressSet, ObjectAddress::objectId, AlterObjectSchemaStmt::objectType, RowExclusiveLock, and strVal.

Referenced by ProcessUtilitySlow(), and standard_ProcessUtility().

465 {
466  ObjectAddress address;
467  Oid oldNspOid;
468 
469  switch (stmt->objectType)
470  {
471  case OBJECT_EXTENSION:
472  address = AlterExtensionNamespace(strVal((Value *) stmt->object), stmt->newschema,
473  oldSchemaAddr ? &oldNspOid : NULL);
474  break;
475 
477  case OBJECT_SEQUENCE:
478  case OBJECT_TABLE:
479  case OBJECT_VIEW:
480  case OBJECT_MATVIEW:
481  address = AlterTableNamespace(stmt,
482  oldSchemaAddr ? &oldNspOid : NULL);
483  break;
484 
485  case OBJECT_DOMAIN:
486  case OBJECT_TYPE:
487  address = AlterTypeNamespace(castNode(List, stmt->object), stmt->newschema,
488  stmt->objectType,
489  oldSchemaAddr ? &oldNspOid : NULL);
490  break;
491 
492  /* generic code path */
493  case OBJECT_AGGREGATE:
494  case OBJECT_COLLATION:
495  case OBJECT_CONVERSION:
496  case OBJECT_FUNCTION:
497  case OBJECT_OPERATOR:
498  case OBJECT_OPCLASS:
499  case OBJECT_OPFAMILY:
500  case OBJECT_PROCEDURE:
501  case OBJECT_ROUTINE:
504  case OBJECT_TSDICTIONARY:
505  case OBJECT_TSPARSER:
506  case OBJECT_TSTEMPLATE:
507  {
508  Relation catalog;
509  Relation relation;
510  Oid classId;
511  Oid nspOid;
512 
513  address = get_object_address(stmt->objectType,
514  stmt->object,
515  &relation,
517  false);
518  Assert(relation == NULL);
519  classId = address.classId;
520  catalog = heap_open(classId, RowExclusiveLock);
521  nspOid = LookupCreationNamespace(stmt->newschema);
522 
523  oldNspOid = AlterObjectNamespace_internal(catalog, address.objectId,
524  nspOid);
525  heap_close(catalog, RowExclusiveLock);
526  }
527  break;
528 
529  default:
530  elog(ERROR, "unrecognized AlterObjectSchemaStmt type: %d",
531  (int) stmt->objectType);
532  return InvalidObjectAddress; /* keep compiler happy */
533  }
534 
535  if (oldSchemaAddr)
536  ObjectAddressSet(*oldSchemaAddr, NamespaceRelationId, oldNspOid);
537 
538  return address;
539 }
#define castNode(_type_, nodeptr)
Definition: nodes.h:586
Oid LookupCreationNamespace(const char *nspname)
Definition: namespace.c:2915
ObjectAddress AlterTypeNamespace(List *names, const char *newschema, ObjectType objecttype, Oid *oldschema)
Definition: typecmds.c:3503
#define strVal(v)
Definition: value.h:54
static Oid AlterObjectNamespace_internal(Relation rel, Oid objid, Oid nspOid)
Definition: alter.c:658
#define heap_close(r, l)
Definition: heapam.h:97
unsigned int Oid
Definition: postgres_ext.h:31
ObjectAddress AlterTableNamespace(AlterObjectSchemaStmt *stmt, Oid *oldschema)
Definition: tablecmds.c:12852
#define ERROR
Definition: elog.h:43
#define RowExclusiveLock
Definition: lockdefs.h:38
Relation heap_open(Oid relationId, LOCKMODE lockmode)
Definition: heapam.c:1294
#define Assert(condition)
Definition: c.h:699
Definition: value.h:42
ObjectAddress get_object_address(ObjectType objtype, Node *object, Relation *relp, LOCKMODE lockmode, bool missing_ok)
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
#define AccessExclusiveLock
Definition: lockdefs.h:45
const ObjectAddress InvalidObjectAddress
#define elog
Definition: elog.h:219
Definition: pg_list.h:45
ObjectAddress AlterExtensionNamespace(const char *extensionName, const char *newschema, Oid *oldschema)
Definition: extension.c:2681

◆ ExecAlterOwnerStmt()

ObjectAddress ExecAlterOwnerStmt ( AlterOwnerStmt stmt)

Definition at line 802 of file alter.c.

References AccessExclusiveLock, AlterDatabaseOwner(), AlterEventTriggerOwner(), AlterForeignDataWrapperOwner(), AlterForeignServerOwner(), AlterObjectOwner_internal(), AlterPublicationOwner(), AlterSchemaOwner(), AlterSubscriptionOwner(), AlterTypeOwner(), Assert, castNode, ObjectAddress::classId, elog, ERROR, get_object_address(), get_rolespec_oid(), heap_close, heap_open(), InvalidObjectAddress, AlterOwnerStmt::newowner, AlterOwnerStmt::object, OBJECT_AGGREGATE, OBJECT_COLLATION, OBJECT_CONVERSION, OBJECT_DATABASE, OBJECT_DOMAIN, OBJECT_EVENT_TRIGGER, OBJECT_FDW, OBJECT_FOREIGN_SERVER, OBJECT_FUNCTION, OBJECT_LANGUAGE, OBJECT_LARGEOBJECT, OBJECT_OPCLASS, OBJECT_OPERATOR, OBJECT_OPFAMILY, OBJECT_PROCEDURE, OBJECT_PUBLICATION, OBJECT_ROUTINE, OBJECT_SCHEMA, OBJECT_STATISTIC_EXT, OBJECT_SUBSCRIPTION, OBJECT_TABLESPACE, OBJECT_TSCONFIGURATION, OBJECT_TSDICTIONARY, OBJECT_TYPE, ObjectAddress::objectId, AlterOwnerStmt::objectType, RowExclusiveLock, and strVal.

Referenced by ProcessUtilitySlow(), and standard_ProcessUtility().

803 {
804  Oid newowner = get_rolespec_oid(stmt->newowner, false);
805 
806  switch (stmt->objectType)
807  {
808  case OBJECT_DATABASE:
809  return AlterDatabaseOwner(strVal((Value *) stmt->object), newowner);
810 
811  case OBJECT_SCHEMA:
812  return AlterSchemaOwner(strVal((Value *) stmt->object), newowner);
813 
814  case OBJECT_TYPE:
815  case OBJECT_DOMAIN: /* same as TYPE */
816  return AlterTypeOwner(castNode(List, stmt->object), newowner, stmt->objectType);
817  break;
818 
819  case OBJECT_FDW:
821  newowner);
822 
824  return AlterForeignServerOwner(strVal((Value *) stmt->object),
825  newowner);
826 
828  return AlterEventTriggerOwner(strVal((Value *) stmt->object),
829  newowner);
830 
831  case OBJECT_PUBLICATION:
832  return AlterPublicationOwner(strVal((Value *) stmt->object),
833  newowner);
834 
835  case OBJECT_SUBSCRIPTION:
836  return AlterSubscriptionOwner(strVal((Value *) stmt->object),
837  newowner);
838 
839  /* Generic cases */
840  case OBJECT_AGGREGATE:
841  case OBJECT_COLLATION:
842  case OBJECT_CONVERSION:
843  case OBJECT_FUNCTION:
844  case OBJECT_LANGUAGE:
845  case OBJECT_LARGEOBJECT:
846  case OBJECT_OPERATOR:
847  case OBJECT_OPCLASS:
848  case OBJECT_OPFAMILY:
849  case OBJECT_PROCEDURE:
850  case OBJECT_ROUTINE:
852  case OBJECT_TABLESPACE:
853  case OBJECT_TSDICTIONARY:
855  {
856  Relation catalog;
857  Relation relation;
858  Oid classId;
859  ObjectAddress address;
860 
861  address = get_object_address(stmt->objectType,
862  stmt->object,
863  &relation,
865  false);
866  Assert(relation == NULL);
867  classId = address.classId;
868 
869  /*
870  * XXX - get_object_address returns Oid of pg_largeobject
871  * catalog for OBJECT_LARGEOBJECT because of historical
872  * reasons. Fix up it here.
873  */
874  if (classId == LargeObjectRelationId)
875  classId = LargeObjectMetadataRelationId;
876 
877  catalog = heap_open(classId, RowExclusiveLock);
878 
879  AlterObjectOwner_internal(catalog, address.objectId, newowner);
880  heap_close(catalog, RowExclusiveLock);
881 
882  return address;
883  }
884  break;
885 
886  default:
887  elog(ERROR, "unrecognized AlterOwnerStmt type: %d",
888  (int) stmt->objectType);
889  return InvalidObjectAddress; /* keep compiler happy */
890  }
891 }
RoleSpec * newowner
Definition: parsenodes.h:2891
#define castNode(_type_, nodeptr)
Definition: nodes.h:586
ObjectType objectType
Definition: parsenodes.h:2888
#define strVal(v)
Definition: value.h:54
#define heap_close(r, l)
Definition: heapam.h:97
unsigned int Oid
Definition: postgres_ext.h:31
ObjectAddress AlterEventTriggerOwner(const char *name, Oid newOwnerId)
ObjectAddress AlterTypeOwner(List *names, Oid newOwnerId, ObjectType objecttype)
Definition: typecmds.c:3299
#define ERROR
Definition: elog.h:43
ObjectAddress AlterForeignDataWrapperOwner(const char *name, Oid newOwnerId)
Definition: foreigncmds.c:277
void AlterObjectOwner_internal(Relation rel, Oid objectId, Oid new_ownerId)
Definition: alter.c:903
#define RowExclusiveLock
Definition: lockdefs.h:38
ObjectAddress AlterSubscriptionOwner(const char *name, Oid newOwnerId)
Oid get_rolespec_oid(const RoleSpec *role, bool missing_ok)
Definition: acl.c:5149
ObjectAddress AlterPublicationOwner(const char *name, Oid newOwnerId)
Relation heap_open(Oid relationId, LOCKMODE lockmode)
Definition: heapam.c:1294
ObjectAddress AlterSchemaOwner(const char *name, Oid newOwnerId)
Definition: schemacmds.c:321
#define Assert(condition)
Definition: c.h:699
Definition: value.h:42
ObjectAddress AlterForeignServerOwner(const char *name, Oid newOwnerId)
Definition: foreigncmds.c:414
ObjectAddress get_object_address(ObjectType objtype, Node *object, Relation *relp, LOCKMODE lockmode, bool missing_ok)
ObjectAddress AlterDatabaseOwner(const char *dbname, Oid newOwnerId)
Definition: dbcommands.c:1601
#define AccessExclusiveLock
Definition: lockdefs.h:45
const ObjectAddress InvalidObjectAddress
#define elog
Definition: elog.h:219
Definition: pg_list.h:45

◆ ExecRenameStmt()

ObjectAddress ExecRenameStmt ( RenameStmt stmt)

Definition at line 325 of file alter.c.

References AccessExclusiveLock, AlterObjectRename_internal(), Assert, ObjectAddress::classId, elog, ERROR, get_object_address(), heap_close, heap_open(), InvalidObjectAddress, RenameStmt::newname, RenameStmt::object, OBJECT_AGGREGATE, OBJECT_ATTRIBUTE, OBJECT_COLLATION, OBJECT_COLUMN, OBJECT_CONVERSION, OBJECT_DATABASE, OBJECT_DOMAIN, OBJECT_DOMCONSTRAINT, OBJECT_EVENT_TRIGGER, OBJECT_FDW, OBJECT_FOREIGN_SERVER, OBJECT_FOREIGN_TABLE, OBJECT_FUNCTION, OBJECT_INDEX, OBJECT_LANGUAGE, OBJECT_MATVIEW, OBJECT_OPCLASS, OBJECT_OPFAMILY, OBJECT_POLICY, OBJECT_PROCEDURE, OBJECT_PUBLICATION, OBJECT_ROLE, OBJECT_ROUTINE, OBJECT_RULE, OBJECT_SCHEMA, OBJECT_SEQUENCE, OBJECT_STATISTIC_EXT, OBJECT_SUBSCRIPTION, OBJECT_TABCONSTRAINT, OBJECT_TABLE, OBJECT_TABLESPACE, OBJECT_TRIGGER, OBJECT_TSCONFIGURATION, OBJECT_TSDICTIONARY, OBJECT_TSPARSER, OBJECT_TSTEMPLATE, OBJECT_TYPE, OBJECT_VIEW, ObjectAddress::objectId, RenameStmt::relation, rename_policy(), renameatt(), RenameConstraint(), RenameDatabase(), RenameRelation(), RenameRewriteRule(), RenameRole(), RenameSchema(), RenameTableSpace(), renametrig(), RenameStmt::renameType, RenameType(), RowExclusiveLock, and RenameStmt::subname.

Referenced by ProcessUtilitySlow(), and standard_ProcessUtility().

326 {
327  switch (stmt->renameType)
328  {
331  return RenameConstraint(stmt);
332 
333  case OBJECT_DATABASE:
334  return RenameDatabase(stmt->subname, stmt->newname);
335 
336  case OBJECT_ROLE:
337  return RenameRole(stmt->subname, stmt->newname);
338 
339  case OBJECT_SCHEMA:
340  return RenameSchema(stmt->subname, stmt->newname);
341 
342  case OBJECT_TABLESPACE:
343  return RenameTableSpace(stmt->subname, stmt->newname);
344 
345  case OBJECT_TABLE:
346  case OBJECT_SEQUENCE:
347  case OBJECT_VIEW:
348  case OBJECT_MATVIEW:
349  case OBJECT_INDEX:
351  return RenameRelation(stmt);
352 
353  case OBJECT_COLUMN:
354  case OBJECT_ATTRIBUTE:
355  return renameatt(stmt);
356 
357  case OBJECT_RULE:
358  return RenameRewriteRule(stmt->relation, stmt->subname,
359  stmt->newname);
360 
361  case OBJECT_TRIGGER:
362  return renametrig(stmt);
363 
364  case OBJECT_POLICY:
365  return rename_policy(stmt);
366 
367  case OBJECT_DOMAIN:
368  case OBJECT_TYPE:
369  return RenameType(stmt);
370 
371  case OBJECT_AGGREGATE:
372  case OBJECT_COLLATION:
373  case OBJECT_CONVERSION:
375  case OBJECT_FDW:
377  case OBJECT_FUNCTION:
378  case OBJECT_OPCLASS:
379  case OBJECT_OPFAMILY:
380  case OBJECT_LANGUAGE:
381  case OBJECT_PROCEDURE:
382  case OBJECT_ROUTINE:
385  case OBJECT_TSDICTIONARY:
386  case OBJECT_TSPARSER:
387  case OBJECT_TSTEMPLATE:
388  case OBJECT_PUBLICATION:
389  case OBJECT_SUBSCRIPTION:
390  {
391  ObjectAddress address;
392  Relation catalog;
393  Relation relation;
394 
395  address = get_object_address(stmt->renameType,
396  stmt->object,
397  &relation,
398  AccessExclusiveLock, false);
399  Assert(relation == NULL);
400 
401  catalog = heap_open(address.classId, RowExclusiveLock);
403  address.objectId,
404  stmt->newname);
405  heap_close(catalog, RowExclusiveLock);
406 
407  return address;
408  }
409 
410  default:
411  elog(ERROR, "unrecognized rename stmt type: %d",
412  (int) stmt->renameType);
413  return InvalidObjectAddress; /* keep compiler happy */
414  }
415 }
ObjectAddress RenameSchema(const char *oldname, const char *newname)
Definition: schemacmds.c:242
ObjectAddress RenameType(RenameStmt *stmt)
Definition: typecmds.c:3221
char * subname
Definition: parsenodes.h:2847
ObjectType renameType
Definition: parsenodes.h:2843
ObjectAddress RenameRelation(RenameStmt *stmt)
Definition: tablecmds.c:3067
#define heap_close(r, l)
Definition: heapam.h:97
char * newname
Definition: parsenodes.h:2849
ObjectAddress RenameDatabase(const char *oldname, const char *newname)
Definition: dbcommands.c:977
#define ERROR
Definition: elog.h:43
ObjectAddress rename_policy(RenameStmt *stmt)
Definition: policy.c:1205
#define RowExclusiveLock
Definition: lockdefs.h:38
Node * object
Definition: parsenodes.h:2846
ObjectAddress renametrig(RenameStmt *stmt)
Definition: trigger.c:1655
ObjectAddress renameatt(RenameStmt *stmt)
Definition: tablecmds.c:2879
ObjectAddress RenameConstraint(RenameStmt *stmt)
Definition: tablecmds.c:3016
Relation heap_open(Oid relationId, LOCKMODE lockmode)
Definition: heapam.c:1294
RangeVar * relation
Definition: parsenodes.h:2845
ObjectAddress RenameRole(const char *oldname, const char *newname)
Definition: user.c:1143
#define Assert(condition)
Definition: c.h:699
ObjectAddress get_object_address(ObjectType objtype, Node *object, Relation *relp, LOCKMODE lockmode, bool missing_ok)
static void AlterObjectRename_internal(Relation rel, Oid objectId, const char *new_name)
Definition: alter.c:166
ObjectAddress RenameRewriteRule(RangeVar *relation, const char *oldName, const char *newName)
ObjectAddress RenameTableSpace(const char *oldname, const char *newname)
Definition: tablespace.c:912
#define AccessExclusiveLock
Definition: lockdefs.h:45
const ObjectAddress InvalidObjectAddress
#define elog
Definition: elog.h:219