PostgreSQL Source Code  git master
alter.c File Reference
#include "postgres.h"
#include "access/htup_details.h"
#include "access/relation.h"
#include "access/sysattr.h"
#include "access/table.h"
#include "catalog/dependency.h"
#include "catalog/indexing.h"
#include "catalog/namespace.h"
#include "catalog/objectaccess.h"
#include "catalog/pg_collation.h"
#include "catalog/pg_conversion.h"
#include "catalog/pg_event_trigger.h"
#include "catalog/pg_foreign_data_wrapper.h"
#include "catalog/pg_foreign_server.h"
#include "catalog/pg_language.h"
#include "catalog/pg_largeobject.h"
#include "catalog/pg_largeobject_metadata.h"
#include "catalog/pg_namespace.h"
#include "catalog/pg_opclass.h"
#include "catalog/pg_opfamily.h"
#include "catalog/pg_proc.h"
#include "catalog/pg_statistic_ext.h"
#include "catalog/pg_subscription.h"
#include "catalog/pg_ts_config.h"
#include "catalog/pg_ts_dict.h"
#include "catalog/pg_ts_parser.h"
#include "catalog/pg_ts_template.h"
#include "commands/alter.h"
#include "commands/collationcmds.h"
#include "commands/conversioncmds.h"
#include "commands/dbcommands.h"
#include "commands/defrem.h"
#include "commands/event_trigger.h"
#include "commands/extension.h"
#include "commands/policy.h"
#include "commands/proclang.h"
#include "commands/publicationcmds.h"
#include "commands/schemacmds.h"
#include "commands/subscriptioncmds.h"
#include "commands/tablecmds.h"
#include "commands/tablespace.h"
#include "commands/trigger.h"
#include "commands/typecmds.h"
#include "commands/user.h"
#include "miscadmin.h"
#include "parser/parse_func.h"
#include "rewrite/rewriteDefine.h"
#include "tcop/utility.h"
#include "utils/builtins.h"
#include "utils/fmgroids.h"
#include "utils/lsyscache.h"
#include "utils/rel.h"
#include "utils/syscache.h"
Include dependency graph for alter.c:

Go to the source code of this file.

Functions

static Oid AlterObjectNamespace_internal (Relation rel, Oid objid, Oid nspOid)
 
static void report_name_conflict (Oid classId, const char *name)
 
static void report_namespace_conflict (Oid classId, const char *name, Oid nspOid)
 
static void AlterObjectRename_internal (Relation rel, Oid objectId, const char *new_name)
 
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 rel, Oid objectId, Oid new_ownerId)
 

Function Documentation

◆ AlterObjectNamespace_internal()

static Oid AlterObjectNamespace_internal ( Relation  rel,
Oid  objid,
Oid  nspOid 
)
static

Definition at line 664 of file alter.c.

References ACL_CREATE, aclcheck_error(), ACLCHECK_NOT_OWNER, ACLCHECK_OK, Assert, CatalogTupleUpdate(), changeDependencyFor(), CheckSetNamespace(), DatumGetName, DatumGetObjectId, elog, ereport, errcode(), errmsg(), ERROR, get_namespace_name(), get_object_attnum_name(), get_object_attnum_namespace(), get_object_attnum_owner(), get_object_catcache_name(), get_object_catcache_oid(), get_object_type(), getObjectDescriptionOids(), GETSTRUCT, GetUserId(), has_privs_of_role(), heap_getattr, heap_modify_tuple(), HeapTupleIsValid, InvokeObjectPostAlterHook, IsThereCollationInNamespace(), IsThereFunctionInNamespace(), IsThereOpClassInNamespace(), IsThereOpFamilyInNamespace(), name, NameStr, OBJECT_SCHEMA, ObjectIdGetDatum, palloc0(), pfree(), pg_namespace_aclcheck(), RelationGetDescr, RelationGetNumberOfAttributes, RelationGetRelationName, RelationGetRelid, report_namespace_conflict(), SearchSysCacheCopy1, SearchSysCacheExists2, superuser(), and values.

Referenced by AlterObjectNamespace_oid(), and ExecAlterObjectSchemaStmt().

665 {
666  Oid classId = RelationGetRelid(rel);
667  int oidCacheId = get_object_catcache_oid(classId);
668  int nameCacheId = get_object_catcache_name(classId);
669  AttrNumber Anum_name = get_object_attnum_name(classId);
670  AttrNumber Anum_namespace = get_object_attnum_namespace(classId);
671  AttrNumber Anum_owner = get_object_attnum_owner(classId);
672  Oid oldNspOid;
673  Datum name,
674  namespace;
675  bool isnull;
676  HeapTuple tup,
677  newtup;
678  Datum *values;
679  bool *nulls;
680  bool *replaces;
681 
682  tup = SearchSysCacheCopy1(oidCacheId, ObjectIdGetDatum(objid));
683  if (!HeapTupleIsValid(tup)) /* should not happen */
684  elog(ERROR, "cache lookup failed for object %u of catalog \"%s\"",
685  objid, RelationGetRelationName(rel));
686 
687  name = heap_getattr(tup, Anum_name, RelationGetDescr(rel), &isnull);
688  Assert(!isnull);
689  namespace = heap_getattr(tup, Anum_namespace, RelationGetDescr(rel),
690  &isnull);
691  Assert(!isnull);
692  oldNspOid = DatumGetObjectId(namespace);
693 
694  /*
695  * If the object is already in the correct namespace, we don't need to do
696  * anything except fire the object access hook.
697  */
698  if (oldNspOid == nspOid)
699  {
700  InvokeObjectPostAlterHook(classId, objid, 0);
701  return oldNspOid;
702  }
703 
704  /* Check basic namespace related issues */
705  CheckSetNamespace(oldNspOid, nspOid);
706 
707  /* Permission checks ... superusers can always do it */
708  if (!superuser())
709  {
710  Datum owner;
711  Oid ownerId;
712  AclResult aclresult;
713 
714  /* Fail if object does not have an explicit owner */
715  if (Anum_owner <= 0)
716  ereport(ERROR,
717  (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
718  (errmsg("must be superuser to set schema of %s",
719  getObjectDescriptionOids(classId, objid)))));
720 
721  /* Otherwise, must be owner of the existing object */
722  owner = heap_getattr(tup, Anum_owner, RelationGetDescr(rel), &isnull);
723  Assert(!isnull);
724  ownerId = DatumGetObjectId(owner);
725 
726  if (!has_privs_of_role(GetUserId(), ownerId))
728  NameStr(*(DatumGetName(name))));
729 
730  /* User must have CREATE privilege on new namespace */
731  aclresult = pg_namespace_aclcheck(nspOid, GetUserId(), ACL_CREATE);
732  if (aclresult != ACLCHECK_OK)
733  aclcheck_error(aclresult, OBJECT_SCHEMA,
734  get_namespace_name(nspOid));
735  }
736 
737  /*
738  * Check for duplicate name (more friendly than unique-index failure).
739  * Since this is just a friendliness check, we can just skip it in cases
740  * where there isn't suitable support.
741  */
742  if (classId == ProcedureRelationId)
743  {
744  Form_pg_proc proc = (Form_pg_proc) GETSTRUCT(tup);
745 
746  IsThereFunctionInNamespace(NameStr(proc->proname), proc->pronargs,
747  &proc->proargtypes, nspOid);
748  }
749  else if (classId == CollationRelationId)
750  {
752 
753  IsThereCollationInNamespace(NameStr(coll->collname), nspOid);
754  }
755  else if (classId == OperatorClassRelationId)
756  {
758 
759  IsThereOpClassInNamespace(NameStr(opc->opcname),
760  opc->opcmethod, nspOid);
761  }
762  else if (classId == OperatorFamilyRelationId)
763  {
765 
766  IsThereOpFamilyInNamespace(NameStr(opf->opfname),
767  opf->opfmethod, nspOid);
768  }
769  else if (nameCacheId >= 0 &&
770  SearchSysCacheExists2(nameCacheId, name,
771  ObjectIdGetDatum(nspOid)))
773  NameStr(*(DatumGetName(name))),
774  nspOid);
775 
776  /* Build modified tuple */
777  values = palloc0(RelationGetNumberOfAttributes(rel) * sizeof(Datum));
778  nulls = palloc0(RelationGetNumberOfAttributes(rel) * sizeof(bool));
779  replaces = palloc0(RelationGetNumberOfAttributes(rel) * sizeof(bool));
780  values[Anum_namespace - 1] = ObjectIdGetDatum(nspOid);
781  replaces[Anum_namespace - 1] = true;
782  newtup = heap_modify_tuple(tup, RelationGetDescr(rel),
783  values, nulls, replaces);
784 
785  /* Perform actual update */
786  CatalogTupleUpdate(rel, &tup->t_self, newtup);
787 
788  /* Release memory */
789  pfree(values);
790  pfree(nulls);
791  pfree(replaces);
792 
793  /* update dependencies to point to the new schema */
794  changeDependencyFor(classId, objid,
795  NamespaceRelationId, oldNspOid, nspOid);
796 
797  InvokeObjectPostAlterHook(classId, objid, 0);
798 
799  return oldNspOid;
800 }
static void report_namespace_conflict(Oid classId, const char *name, Oid nspOid)
Definition: alter.c:112
#define GETSTRUCT(TUP)
Definition: htup_details.h:655
AttrNumber get_object_attnum_owner(Oid class_id)
#define RelationGetDescr(relation)
Definition: rel.h:448
Oid GetUserId(void)
Definition: miscinit.c:380
#define RelationGetNumberOfAttributes(relation)
Definition: rel.h:428
#define DatumGetObjectId(X)
Definition: postgres.h:500
bool has_privs_of_role(Oid member, Oid role)
Definition: acl.c:4900
int get_object_catcache_name(Oid class_id)
int errcode(int sqlerrcode)
Definition: elog.c:608
bool superuser(void)
Definition: superuser.c:46
AttrNumber get_object_attnum_namespace(Oid class_id)
unsigned int Oid
Definition: postgres_ext.h:31
AclResult pg_namespace_aclcheck(Oid nsp_oid, Oid roleid, AclMode mode)
Definition: aclchk.c:4691
void IsThereOpClassInNamespace(const char *opcname, Oid opcmethod, Oid opcnamespace)
Definition: opclasscmds.c:1705
#define DatumGetName(X)
Definition: postgres.h:585
void aclcheck_error(AclResult aclerr, ObjectType objtype, const char *objectname)
Definition: aclchk.c:3352
void pfree(void *pointer)
Definition: mcxt.c:1056
#define ObjectIdGetDatum(X)
Definition: postgres.h:507
#define ERROR
Definition: elog.h:43
#define ACL_CREATE
Definition: parsenodes.h:84
int get_object_catcache_oid(Oid class_id)
ItemPointerData t_self
Definition: htup.h:65
char * getObjectDescriptionOids(Oid classid, Oid objid)
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3094
#define RelationGetRelationName(relation)
Definition: rel.h:456
void IsThereCollationInNamespace(const char *collname, Oid nspOid)
#define ereport(elevel, rest)
Definition: elog.h:141
#define InvokeObjectPostAlterHook(classId, objectId, subId)
Definition: objectaccess.h:175
void CheckSetNamespace(Oid oldNspOid, Oid nspOid)
Definition: namespace.c:2959
void IsThereFunctionInNamespace(const char *proname, int pronargs, oidvector *proargtypes, Oid nspOid)
#define heap_getattr(tup, attnum, tupleDesc, isnull)
Definition: htup_details.h:762
FormData_pg_opfamily * Form_pg_opfamily
Definition: pg_opfamily.h:51
AttrNumber get_object_attnum_name(Oid class_id)
void * palloc0(Size size)
Definition: mcxt.c:980
AclResult
Definition: acl.h:177
uintptr_t Datum
Definition: postgres.h:367
FormData_pg_proc * Form_pg_proc
Definition: pg_proc.h:133
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
#define Assert(condition)
Definition: c.h:739
void CatalogTupleUpdate(Relation heapRel, ItemPointer otid, HeapTuple tup)
Definition: indexing.c:224
ObjectType get_object_type(Oid class_id, Oid object_id)
#define SearchSysCacheExists2(cacheId, key1, key2)
Definition: syscache.h:185
const char * name
Definition: encode.c:521
FormData_pg_collation * Form_pg_collation
Definition: pg_collation.h:51
static Datum values[MAXATTR]
Definition: bootstrap.c:167
#define SearchSysCacheCopy1(cacheId, key1)
Definition: syscache.h:174
int errmsg(const char *fmt,...)
Definition: elog.c:822
long changeDependencyFor(Oid classId, Oid objectId, Oid refClassId, Oid oldRefObjectId, Oid newRefObjectId)
Definition: pg_depend.c:297
#define elog(elevel,...)
Definition: elog.h:228
#define NameStr(name)
Definition: c.h:616
HeapTuple heap_modify_tuple(HeapTuple tuple, TupleDesc tupleDesc, Datum *replValues, bool *replIsnull, bool *doReplace)
Definition: heaptuple.c:1113
FormData_pg_opclass * Form_pg_opclass
Definition: pg_opclass.h:83
int16 AttrNumber
Definition: attnum.h:21
#define RelationGetRelid(relation)
Definition: rel.h:422
void IsThereOpFamilyInNamespace(const char *opfname, Oid opfmethod, Oid opfnamespace)
Definition: opclasscmds.c:1728

◆ AlterObjectNamespace_oid()

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

Definition at line 563 of file alter.c.

References AccessExclusiveLock, AlterObjectNamespace_internal(), AlterTableNamespaceInternal(), AlterTypeNamespace_oid(), ObjectAddress::classId, getObjectClass(), 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, RowExclusiveLock, table_close(), and table_open().

Referenced by AlterExtensionNamespace().

565 {
566  Oid oldNspOid = InvalidOid;
567  ObjectAddress dep;
568 
569  dep.classId = classId;
570  dep.objectId = objid;
571  dep.objectSubId = 0;
572 
573  switch (getObjectClass(&dep))
574  {
575  case OCLASS_CLASS:
576  {
577  Relation rel;
578 
579  rel = relation_open(objid, AccessExclusiveLock);
580  oldNspOid = RelationGetNamespace(rel);
581 
582  AlterTableNamespaceInternal(rel, oldNspOid, nspOid, objsMoved);
583 
584  relation_close(rel, NoLock);
585  break;
586  }
587 
588  case OCLASS_TYPE:
589  oldNspOid = AlterTypeNamespace_oid(objid, nspOid, objsMoved);
590  break;
591 
592  case OCLASS_PROC:
593  case OCLASS_COLLATION:
594  case OCLASS_CONVERSION:
595  case OCLASS_OPERATOR:
596  case OCLASS_OPCLASS:
597  case OCLASS_OPFAMILY:
599  case OCLASS_TSPARSER:
600  case OCLASS_TSDICT:
601  case OCLASS_TSTEMPLATE:
602  case OCLASS_TSCONFIG:
603  {
604  Relation catalog;
605 
606  catalog = table_open(classId, RowExclusiveLock);
607 
608  oldNspOid = AlterObjectNamespace_internal(catalog, objid,
609  nspOid);
610 
611  table_close(catalog, RowExclusiveLock);
612  }
613  break;
614 
615  case OCLASS_CAST:
616  case OCLASS_CONSTRAINT:
617  case OCLASS_DEFAULT:
618  case OCLASS_LANGUAGE:
619  case OCLASS_LARGEOBJECT:
620  case OCLASS_AM:
621  case OCLASS_AMOP:
622  case OCLASS_AMPROC:
623  case OCLASS_REWRITE:
624  case OCLASS_TRIGGER:
625  case OCLASS_SCHEMA:
626  case OCLASS_ROLE:
627  case OCLASS_DATABASE:
628  case OCLASS_TBLSPACE:
629  case OCLASS_FDW:
631  case OCLASS_USER_MAPPING:
632  case OCLASS_DEFACL:
633  case OCLASS_EXTENSION:
635  case OCLASS_POLICY:
636  case OCLASS_PUBLICATION:
638  case OCLASS_SUBSCRIPTION:
639  case OCLASS_TRANSFORM:
640  /* ignore object types that don't have schema-qualified names */
641  break;
642 
643  /*
644  * There's intentionally no default: case here; we want the
645  * compiler to warn if a new OCLASS hasn't been handled above.
646  */
647  }
648 
649  return oldNspOid;
650 }
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:133
static Oid AlterObjectNamespace_internal(Relation rel, Oid objid, Oid nspOid)
Definition: alter.c:664
unsigned int Oid
Definition: postgres_ext.h:31
ObjectClass getObjectClass(const ObjectAddress *object)
Definition: dependency.c:2712
Relation relation_open(Oid relationId, LOCKMODE lockmode)
Definition: relation.c:48
void AlterTableNamespaceInternal(Relation rel, Oid oldNspOid, Oid nspOid, ObjectAddresses *objsMoved)
Definition: tablecmds.c:14321
#define NoLock
Definition: lockdefs.h:34
#define RowExclusiveLock
Definition: lockdefs.h:38
Oid AlterTypeNamespace_oid(Oid typeOid, Oid nspOid, ObjectAddresses *objsMoved)
Definition: typecmds.c:3541
#define InvalidOid
Definition: postgres_ext.h:36
void relation_close(Relation relation, LOCKMODE lockmode)
Definition: relation.c:206
#define AccessExclusiveLock
Definition: lockdefs.h:45
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
#define RelationGetNamespace(relation)
Definition: rel.h:463

◆ AlterObjectOwner_internal()

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

Definition at line 908 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_oid(), get_object_attnum_owner(), get_object_type(), GetUserId(), has_privs_of_role(), heap_getattr, heap_modify_tuple(), 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().

909 {
910  Oid classId = RelationGetRelid(rel);
911  AttrNumber Anum_oid = get_object_attnum_oid(classId);
912  AttrNumber Anum_owner = get_object_attnum_owner(classId);
913  AttrNumber Anum_namespace = get_object_attnum_namespace(classId);
914  AttrNumber Anum_acl = get_object_attnum_acl(classId);
915  AttrNumber Anum_name = get_object_attnum_name(classId);
916  HeapTuple oldtup;
917  Datum datum;
918  bool isnull;
919  Oid old_ownerId;
920  Oid namespaceId = InvalidOid;
921 
922  oldtup = get_catalog_object_by_oid(rel, Anum_oid, objectId);
923  if (oldtup == NULL)
924  elog(ERROR, "cache lookup failed for object %u of catalog \"%s\"",
925  objectId, RelationGetRelationName(rel));
926 
927  datum = heap_getattr(oldtup, Anum_owner,
928  RelationGetDescr(rel), &isnull);
929  Assert(!isnull);
930  old_ownerId = DatumGetObjectId(datum);
931 
932  if (Anum_namespace != InvalidAttrNumber)
933  {
934  datum = heap_getattr(oldtup, Anum_namespace,
935  RelationGetDescr(rel), &isnull);
936  Assert(!isnull);
937  namespaceId = DatumGetObjectId(datum);
938  }
939 
940  if (old_ownerId != new_ownerId)
941  {
942  AttrNumber nattrs;
943  HeapTuple newtup;
944  Datum *values;
945  bool *nulls;
946  bool *replaces;
947 
948  /* Superusers can bypass permission checks */
949  if (!superuser())
950  {
951  /* must be owner */
952  if (!has_privs_of_role(GetUserId(), old_ownerId))
953  {
954  char *objname;
955  char namebuf[NAMEDATALEN];
956 
957  if (Anum_name != InvalidAttrNumber)
958  {
959  datum = heap_getattr(oldtup, Anum_name,
960  RelationGetDescr(rel), &isnull);
961  Assert(!isnull);
962  objname = NameStr(*DatumGetName(datum));
963  }
964  else
965  {
966  snprintf(namebuf, sizeof(namebuf), "%u", objectId);
967  objname = namebuf;
968  }
970  objname);
971  }
972  /* Must be able to become new owner */
973  check_is_member_of_role(GetUserId(), new_ownerId);
974 
975  /* New owner must have CREATE privilege on namespace */
976  if (OidIsValid(namespaceId))
977  {
978  AclResult aclresult;
979 
980  aclresult = pg_namespace_aclcheck(namespaceId, new_ownerId,
981  ACL_CREATE);
982  if (aclresult != ACLCHECK_OK)
983  aclcheck_error(aclresult, OBJECT_SCHEMA,
984  get_namespace_name(namespaceId));
985  }
986  }
987 
988  /* Build a modified tuple */
989  nattrs = RelationGetNumberOfAttributes(rel);
990  values = palloc0(nattrs * sizeof(Datum));
991  nulls = palloc0(nattrs * sizeof(bool));
992  replaces = palloc0(nattrs * sizeof(bool));
993  values[Anum_owner - 1] = ObjectIdGetDatum(new_ownerId);
994  replaces[Anum_owner - 1] = true;
995 
996  /*
997  * Determine the modified ACL for the new owner. This is only
998  * necessary when the ACL is non-null.
999  */
1000  if (Anum_acl != InvalidAttrNumber)
1001  {
1002  datum = heap_getattr(oldtup,
1003  Anum_acl, RelationGetDescr(rel), &isnull);
1004  if (!isnull)
1005  {
1006  Acl *newAcl;
1007 
1008  newAcl = aclnewowner(DatumGetAclP(datum),
1009  old_ownerId, new_ownerId);
1010  values[Anum_acl - 1] = PointerGetDatum(newAcl);
1011  replaces[Anum_acl - 1] = true;
1012  }
1013  }
1014 
1015  newtup = heap_modify_tuple(oldtup, RelationGetDescr(rel),
1016  values, nulls, replaces);
1017 
1018  /* Perform actual update */
1019  CatalogTupleUpdate(rel, &newtup->t_self, newtup);
1020 
1021  /* Update owner dependency reference */
1022  if (classId == LargeObjectMetadataRelationId)
1023  classId = LargeObjectRelationId;
1024  changeDependencyOnOwner(classId, objectId, new_ownerId);
1025 
1026  /* Release memory */
1027  pfree(values);
1028  pfree(nulls);
1029  pfree(replaces);
1030  }
1031 
1032  InvokeObjectPostAlterHook(classId, objectId, 0);
1033 }
AttrNumber get_object_attnum_oid(Oid class_id)
AttrNumber get_object_attnum_owner(Oid class_id)
#define RelationGetDescr(relation)
Definition: rel.h:448
Oid GetUserId(void)
Definition: miscinit.c:380
#define RelationGetNumberOfAttributes(relation)
Definition: rel.h:428
#define DatumGetAclP(X)
Definition: acl.h:120
#define PointerGetDatum(X)
Definition: postgres.h:556
#define DatumGetObjectId(X)
Definition: postgres.h:500
bool has_privs_of_role(Oid member, Oid role)
Definition: acl.c:4900
bool superuser(void)
Definition: superuser.c:46
AttrNumber get_object_attnum_namespace(Oid class_id)
unsigned int Oid
Definition: postgres_ext.h:31
#define OidIsValid(objectId)
Definition: c.h:645
AclResult pg_namespace_aclcheck(Oid nsp_oid, Oid roleid, AclMode mode)
Definition: aclchk.c:4691
#define NAMEDATALEN
#define DatumGetName(X)
Definition: postgres.h:585
void changeDependencyOnOwner(Oid classId, Oid objectId, Oid newOwnerId)
Definition: pg_shdepend.c:309
void aclcheck_error(AclResult aclerr, ObjectType objtype, const char *objectname)
Definition: aclchk.c:3352
void pfree(void *pointer)
Definition: mcxt.c:1056
#define ObjectIdGetDatum(X)
Definition: postgres.h:507
#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:3094
AttrNumber get_object_attnum_acl(Oid class_id)
#define RelationGetRelationName(relation)
Definition: rel.h:456
void check_is_member_of_role(Oid member, Oid role)
Definition: acl.c:4946
#define InvokeObjectPostAlterHook(classId, objectId, subId)
Definition: objectaccess.h:175
#define heap_getattr(tup, attnum, tupleDesc, isnull)
Definition: htup_details.h:762
AttrNumber get_object_attnum_name(Oid class_id)
void * palloc0(Size size)
Definition: mcxt.c:980
AclResult
Definition: acl.h:177
HeapTuple get_catalog_object_by_oid(Relation catalog, AttrNumber oidcol, Oid objectId)
uintptr_t Datum
Definition: postgres.h:367
#define InvalidOid
Definition: postgres_ext.h:36
#define Assert(condition)
Definition: c.h:739
void CatalogTupleUpdate(Relation heapRel, ItemPointer otid, HeapTuple tup)
Definition: indexing.c:224
ObjectType get_object_type(Oid class_id, Oid object_id)
#define InvalidAttrNumber
Definition: attnum.h:23
static Datum values[MAXATTR]
Definition: bootstrap.c:167
#define elog(elevel,...)
Definition: elog.h:228
#define NameStr(name)
Definition: c.h:616
HeapTuple heap_modify_tuple(HeapTuple tuple, TupleDesc tupleDesc, Datum *replValues, bool *replIsnull, bool *doReplace)
Definition: heaptuple.c:1113
#define snprintf
Definition: port.h:192
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:422

◆ AlterObjectRename_internal()

static void AlterObjectRename_internal ( Relation  rel,
Oid  objectId,
const char *  new_name 
)
static

Definition at line 166 of file alter.c.

References ACL_CREATE, aclcheck_error(), ACLCHECK_NOT_OWNER, ACLCHECK_OK, Assert, CatalogTupleUpdate(), CStringGetDatum, DatumGetName, DatumGetObjectId, elog, ereport, errcode(), errmsg(), ERROR, get_namespace_name(), get_object_attnum_name(), get_object_attnum_namespace(), get_object_attnum_owner(), get_object_catcache_name(), get_object_catcache_oid(), get_object_type(), getObjectDescriptionOids(), GETSTRUCT, GetUserId(), has_privs_of_role(), heap_freetuple(), heap_getattr, heap_modify_tuple(), HeapTupleIsValid, InvalidOid, InvokeObjectPostAlterHook, IsThereCollationInNamespace(), IsThereFunctionInNamespace(), IsThereOpClassInNamespace(), IsThereOpFamilyInNamespace(), MyDatabaseId, NameGetDatum, NameStr, namestrcpy(), OBJECT_SCHEMA, ObjectIdGetDatum, OidIsValid, palloc0(), pfree(), pg_namespace_aclcheck(), RelationGetDescr, RelationGetNumberOfAttributes, RelationGetRelationName, RelationGetRelid, ReleaseSysCache(), report_name_conflict(), report_namespace_conflict(), SearchSysCache1(), SearchSysCacheExists1, SearchSysCacheExists2, SUBSCRIPTIONNAME, superuser(), HeapTupleData::t_self, values, and WARNING.

Referenced by ExecRenameStmt().

167 {
168  Oid classId = RelationGetRelid(rel);
169  int oidCacheId = get_object_catcache_oid(classId);
170  int nameCacheId = get_object_catcache_name(classId);
171  AttrNumber Anum_name = get_object_attnum_name(classId);
172  AttrNumber Anum_namespace = get_object_attnum_namespace(classId);
173  AttrNumber Anum_owner = get_object_attnum_owner(classId);
174  HeapTuple oldtup;
175  HeapTuple newtup;
176  Datum datum;
177  bool isnull;
178  Oid namespaceId;
179  Oid ownerId;
180  char *old_name;
181  AclResult aclresult;
182  Datum *values;
183  bool *nulls;
184  bool *replaces;
185  NameData nameattrdata;
186 
187  oldtup = SearchSysCache1(oidCacheId, ObjectIdGetDatum(objectId));
188  if (!HeapTupleIsValid(oldtup))
189  elog(ERROR, "cache lookup failed for object %u of catalog \"%s\"",
190  objectId, RelationGetRelationName(rel));
191 
192  datum = heap_getattr(oldtup, Anum_name,
193  RelationGetDescr(rel), &isnull);
194  Assert(!isnull);
195  old_name = NameStr(*(DatumGetName(datum)));
196 
197  /* Get OID of namespace */
198  if (Anum_namespace > 0)
199  {
200  datum = heap_getattr(oldtup, Anum_namespace,
201  RelationGetDescr(rel), &isnull);
202  Assert(!isnull);
203  namespaceId = DatumGetObjectId(datum);
204  }
205  else
206  namespaceId = InvalidOid;
207 
208  /* Permission checks ... superusers can always do it */
209  if (!superuser())
210  {
211  /* Fail if object does not have an explicit owner */
212  if (Anum_owner <= 0)
213  ereport(ERROR,
214  (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
215  (errmsg("must be superuser to rename %s",
216  getObjectDescriptionOids(classId, objectId)))));
217 
218  /* Otherwise, must be owner of the existing object */
219  datum = heap_getattr(oldtup, Anum_owner,
220  RelationGetDescr(rel), &isnull);
221  Assert(!isnull);
222  ownerId = DatumGetObjectId(datum);
223 
224  if (!has_privs_of_role(GetUserId(), DatumGetObjectId(ownerId)))
226  old_name);
227 
228  /* User must have CREATE privilege on the namespace */
229  if (OidIsValid(namespaceId))
230  {
231  aclresult = pg_namespace_aclcheck(namespaceId, GetUserId(),
232  ACL_CREATE);
233  if (aclresult != ACLCHECK_OK)
234  aclcheck_error(aclresult, OBJECT_SCHEMA,
235  get_namespace_name(namespaceId));
236  }
237  }
238 
239  /*
240  * Check for duplicate name (more friendly than unique-index failure).
241  * Since this is just a friendliness check, we can just skip it in cases
242  * where there isn't suitable support.
243  */
244  if (classId == ProcedureRelationId)
245  {
246  Form_pg_proc proc = (Form_pg_proc) GETSTRUCT(oldtup);
247 
248  IsThereFunctionInNamespace(new_name, proc->pronargs,
249  &proc->proargtypes, proc->pronamespace);
250  }
251  else if (classId == CollationRelationId)
252  {
254 
255  IsThereCollationInNamespace(new_name, coll->collnamespace);
256  }
257  else if (classId == OperatorClassRelationId)
258  {
259  Form_pg_opclass opc = (Form_pg_opclass) GETSTRUCT(oldtup);
260 
261  IsThereOpClassInNamespace(new_name, opc->opcmethod,
262  opc->opcnamespace);
263  }
264  else if (classId == OperatorFamilyRelationId)
265  {
267 
268  IsThereOpFamilyInNamespace(new_name, opf->opfmethod,
269  opf->opfnamespace);
270  }
271  else if (classId == SubscriptionRelationId)
272  {
274  CStringGetDatum(new_name)))
275  report_name_conflict(classId, new_name);
276 
277  /* Also enforce regression testing naming rules, if enabled */
278 #ifdef ENFORCE_REGRESSION_TEST_NAME_RESTRICTIONS
279  if (strncmp(new_name, "regress_", 8) != 0)
280  elog(WARNING, "subscriptions created by regression test cases should have names starting with \"regress_\"");
281 #endif
282  }
283  else if (nameCacheId >= 0)
284  {
285  if (OidIsValid(namespaceId))
286  {
287  if (SearchSysCacheExists2(nameCacheId,
288  CStringGetDatum(new_name),
289  ObjectIdGetDatum(namespaceId)))
290  report_namespace_conflict(classId, new_name, namespaceId);
291  }
292  else
293  {
294  if (SearchSysCacheExists1(nameCacheId,
295  CStringGetDatum(new_name)))
296  report_name_conflict(classId, new_name);
297  }
298  }
299 
300  /* Build modified tuple */
301  values = palloc0(RelationGetNumberOfAttributes(rel) * sizeof(Datum));
302  nulls = palloc0(RelationGetNumberOfAttributes(rel) * sizeof(bool));
303  replaces = palloc0(RelationGetNumberOfAttributes(rel) * sizeof(bool));
304  namestrcpy(&nameattrdata, new_name);
305  values[Anum_name - 1] = NameGetDatum(&nameattrdata);
306  replaces[Anum_name - 1] = true;
307  newtup = heap_modify_tuple(oldtup, RelationGetDescr(rel),
308  values, nulls, replaces);
309 
310  /* Perform actual update */
311  CatalogTupleUpdate(rel, &oldtup->t_self, newtup);
312 
313  InvokeObjectPostAlterHook(classId, objectId, 0);
314 
315  /* Release memory */
316  pfree(values);
317  pfree(nulls);
318  pfree(replaces);
319  heap_freetuple(newtup);
320 
321  ReleaseSysCache(oldtup);
322 }
#define NameGetDatum(X)
Definition: postgres.h:595
static void report_namespace_conflict(Oid classId, const char *name, Oid nspOid)
Definition: alter.c:112
#define GETSTRUCT(TUP)
Definition: htup_details.h:655
AttrNumber get_object_attnum_owner(Oid class_id)
#define RelationGetDescr(relation)
Definition: rel.h:448
Oid GetUserId(void)
Definition: miscinit.c:380
#define RelationGetNumberOfAttributes(relation)
Definition: rel.h:428
#define DatumGetObjectId(X)
Definition: postgres.h:500
bool has_privs_of_role(Oid member, Oid role)
Definition: acl.c:4900
int get_object_catcache_name(Oid class_id)
int errcode(int sqlerrcode)
Definition: elog.c:608
bool superuser(void)
Definition: superuser.c:46
AttrNumber get_object_attnum_namespace(Oid class_id)
void heap_freetuple(HeapTuple htup)
Definition: heaptuple.c:1338
unsigned int Oid
Definition: postgres_ext.h:31
int namestrcpy(Name name, const char *str)
Definition: name.c:250
#define OidIsValid(objectId)
Definition: c.h:645
AclResult pg_namespace_aclcheck(Oid nsp_oid, Oid roleid, AclMode mode)
Definition: aclchk.c:4691
void IsThereOpClassInNamespace(const char *opcname, Oid opcmethod, Oid opcnamespace)
Definition: opclasscmds.c:1705
#define DatumGetName(X)
Definition: postgres.h:585
void aclcheck_error(AclResult aclerr, ObjectType objtype, const char *objectname)
Definition: aclchk.c:3352
#define SearchSysCacheExists1(cacheId, key1)
Definition: syscache.h:183
void pfree(void *pointer)
Definition: mcxt.c:1056
#define ObjectIdGetDatum(X)
Definition: postgres.h:507
#define ERROR
Definition: elog.h:43
#define ACL_CREATE
Definition: parsenodes.h:84
int get_object_catcache_oid(Oid class_id)
ItemPointerData t_self
Definition: htup.h:65
Definition: c.h:610
char * getObjectDescriptionOids(Oid classid, Oid objid)
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3094
#define CStringGetDatum(X)
Definition: postgres.h:578
#define RelationGetRelationName(relation)
Definition: rel.h:456
void IsThereCollationInNamespace(const char *collname, Oid nspOid)
#define ereport(elevel, rest)
Definition: elog.h:141
#define InvokeObjectPostAlterHook(classId, objectId, subId)
Definition: objectaccess.h:175
#define WARNING
Definition: elog.h:40
void IsThereFunctionInNamespace(const char *proname, int pronargs, oidvector *proargtypes, Oid nspOid)
#define heap_getattr(tup, attnum, tupleDesc, isnull)
Definition: htup_details.h:762
HeapTuple SearchSysCache1(int cacheId, Datum key1)
Definition: syscache.c:1116
FormData_pg_opfamily * Form_pg_opfamily
Definition: pg_opfamily.h:51
AttrNumber get_object_attnum_name(Oid class_id)
void * palloc0(Size size)
Definition: mcxt.c:980
AclResult
Definition: acl.h:177
uintptr_t Datum
Definition: postgres.h:367
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1164
Oid MyDatabaseId
Definition: globals.c:85
FormData_pg_proc * Form_pg_proc
Definition: pg_proc.h:133
#define InvalidOid
Definition: postgres_ext.h:36
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
#define Assert(condition)
Definition: c.h:739
static void report_name_conflict(Oid classId, const char *name)
Definition: alter.c:77
void CatalogTupleUpdate(Relation heapRel, ItemPointer otid, HeapTuple tup)
Definition: indexing.c:224
ObjectType get_object_type(Oid class_id, Oid object_id)
#define SearchSysCacheExists2(cacheId, key1, key2)
Definition: syscache.h:185
FormData_pg_collation * Form_pg_collation
Definition: pg_collation.h:51
static Datum values[MAXATTR]
Definition: bootstrap.c:167
int errmsg(const char *fmt,...)
Definition: elog.c:822
#define elog(elevel,...)
Definition: elog.h:228
#define NameStr(name)
Definition: c.h:616
HeapTuple heap_modify_tuple(HeapTuple tuple, TupleDesc tupleDesc, Datum *replValues, bool *replIsnull, bool *doReplace)
Definition: heaptuple.c:1113
FormData_pg_opclass * Form_pg_opclass
Definition: pg_opclass.h:83
int16 AttrNumber
Definition: attnum.h:21
#define RelationGetRelid(relation)
Definition: rel.h:422
void IsThereOpFamilyInNamespace(const char *opfname, Oid opfmethod, Oid opfnamespace)
Definition: opclasscmds.c:1728

◆ ExecAlterObjectDependsStmt()

ObjectAddress ExecAlterObjectDependsStmt ( AlterObjectDependsStmt stmt,
ObjectAddress refAddress 
)

Definition at line 431 of file alter.c.

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

Referenced by ProcessUtilitySlow(), and standard_ProcessUtility().

432 {
433  ObjectAddress address;
434  ObjectAddress refAddr;
435  Relation rel;
436 
437  address =
438  get_object_address_rv(stmt->objectType, stmt->relation, (List *) stmt->object,
439  &rel, AccessExclusiveLock, false);
440 
441  /*
442  * If a relation was involved, it would have been opened and locked. We
443  * don't need the relation here, but we'll retain the lock until commit.
444  */
445  if (rel)
446  table_close(rel, NoLock);
447 
448  refAddr = get_object_address(OBJECT_EXTENSION, (Node *) stmt->extname,
449  &rel, AccessExclusiveLock, false);
450  Assert(rel == NULL);
451  if (refAddress)
452  *refAddress = refAddr;
453 
454  recordDependencyOn(&address, &refAddr, DEPENDENCY_AUTO_EXTENSION);
455 
456  return address;
457 }
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:133
Definition: nodes.h:525
void recordDependencyOn(const ObjectAddress *depender, const ObjectAddress *referenced, DependencyType behavior)
Definition: pg_depend.c:43
#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:739
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:50

◆ ExecAlterObjectSchemaStmt()

ObjectAddress ExecAlterObjectSchemaStmt ( AlterObjectSchemaStmt stmt,
ObjectAddress oldSchemaAddr 
)

Definition at line 469 of file alter.c.

References AccessExclusiveLock, AlterExtensionNamespace(), AlterObjectNamespace_internal(), AlterTableNamespace(), AlterTypeNamespace(), Assert, castNode, ObjectAddress::classId, elog, ERROR, get_object_address(), 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, strVal, table_close(), and table_open().

Referenced by ProcessUtilitySlow(), and standard_ProcessUtility().

471 {
472  ObjectAddress address;
473  Oid oldNspOid;
474 
475  switch (stmt->objectType)
476  {
477  case OBJECT_EXTENSION:
478  address = AlterExtensionNamespace(strVal((Value *) stmt->object), stmt->newschema,
479  oldSchemaAddr ? &oldNspOid : NULL);
480  break;
481 
483  case OBJECT_SEQUENCE:
484  case OBJECT_TABLE:
485  case OBJECT_VIEW:
486  case OBJECT_MATVIEW:
487  address = AlterTableNamespace(stmt,
488  oldSchemaAddr ? &oldNspOid : NULL);
489  break;
490 
491  case OBJECT_DOMAIN:
492  case OBJECT_TYPE:
493  address = AlterTypeNamespace(castNode(List, stmt->object), stmt->newschema,
494  stmt->objectType,
495  oldSchemaAddr ? &oldNspOid : NULL);
496  break;
497 
498  /* generic code path */
499  case OBJECT_AGGREGATE:
500  case OBJECT_COLLATION:
501  case OBJECT_CONVERSION:
502  case OBJECT_FUNCTION:
503  case OBJECT_OPERATOR:
504  case OBJECT_OPCLASS:
505  case OBJECT_OPFAMILY:
506  case OBJECT_PROCEDURE:
507  case OBJECT_ROUTINE:
510  case OBJECT_TSDICTIONARY:
511  case OBJECT_TSPARSER:
512  case OBJECT_TSTEMPLATE:
513  {
514  Relation catalog;
515  Relation relation;
516  Oid classId;
517  Oid nspOid;
518 
519  address = get_object_address(stmt->objectType,
520  stmt->object,
521  &relation,
523  false);
524  Assert(relation == NULL);
525  classId = address.classId;
526  catalog = table_open(classId, RowExclusiveLock);
527  nspOid = LookupCreationNamespace(stmt->newschema);
528 
529  oldNspOid = AlterObjectNamespace_internal(catalog, address.objectId,
530  nspOid);
531  table_close(catalog, RowExclusiveLock);
532  }
533  break;
534 
535  default:
536  elog(ERROR, "unrecognized AlterObjectSchemaStmt type: %d",
537  (int) stmt->objectType);
538  return InvalidObjectAddress; /* keep compiler happy */
539  }
540 
541  if (oldSchemaAddr)
542  ObjectAddressSet(*oldSchemaAddr, NamespaceRelationId, oldNspOid);
543 
544  return address;
545 }
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:133
#define castNode(_type_, nodeptr)
Definition: nodes.h:594
Oid LookupCreationNamespace(const char *nspname)
Definition: namespace.c:2928
ObjectAddress AlterTypeNamespace(List *names, const char *newschema, ObjectType objecttype, Oid *oldschema)
Definition: typecmds.c:3504
#define strVal(v)
Definition: value.h:54
static Oid AlterObjectNamespace_internal(Relation rel, Oid objid, Oid nspOid)
Definition: alter.c:664
unsigned int Oid
Definition: postgres_ext.h:31
ObjectAddress AlterTableNamespace(AlterObjectSchemaStmt *stmt, Oid *oldschema)
Definition: tablecmds.c:14250
#define ERROR
Definition: elog.h:43
#define RowExclusiveLock
Definition: lockdefs.h:38
#define Assert(condition)
Definition: c.h:739
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(elevel,...)
Definition: elog.h:228
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
Definition: pg_list.h:50
ObjectAddress AlterExtensionNamespace(const char *extensionName, const char *newschema, Oid *oldschema)
Definition: extension.c:2704

◆ ExecAlterOwnerStmt()

ObjectAddress ExecAlterOwnerStmt ( AlterOwnerStmt stmt)

Definition at line 807 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(), 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, strVal, table_close(), and table_open().

Referenced by ProcessUtilitySlow(), and standard_ProcessUtility().

808 {
809  Oid newowner = get_rolespec_oid(stmt->newowner, false);
810 
811  switch (stmt->objectType)
812  {
813  case OBJECT_DATABASE:
814  return AlterDatabaseOwner(strVal((Value *) stmt->object), newowner);
815 
816  case OBJECT_SCHEMA:
817  return AlterSchemaOwner(strVal((Value *) stmt->object), newowner);
818 
819  case OBJECT_TYPE:
820  case OBJECT_DOMAIN: /* same as TYPE */
821  return AlterTypeOwner(castNode(List, stmt->object), newowner, stmt->objectType);
822  break;
823 
824  case OBJECT_FDW:
826  newowner);
827 
829  return AlterForeignServerOwner(strVal((Value *) stmt->object),
830  newowner);
831 
833  return AlterEventTriggerOwner(strVal((Value *) stmt->object),
834  newowner);
835 
836  case OBJECT_PUBLICATION:
837  return AlterPublicationOwner(strVal((Value *) stmt->object),
838  newowner);
839 
840  case OBJECT_SUBSCRIPTION:
841  return AlterSubscriptionOwner(strVal((Value *) stmt->object),
842  newowner);
843 
844  /* Generic cases */
845  case OBJECT_AGGREGATE:
846  case OBJECT_COLLATION:
847  case OBJECT_CONVERSION:
848  case OBJECT_FUNCTION:
849  case OBJECT_LANGUAGE:
850  case OBJECT_LARGEOBJECT:
851  case OBJECT_OPERATOR:
852  case OBJECT_OPCLASS:
853  case OBJECT_OPFAMILY:
854  case OBJECT_PROCEDURE:
855  case OBJECT_ROUTINE:
857  case OBJECT_TABLESPACE:
858  case OBJECT_TSDICTIONARY:
860  {
861  Relation catalog;
862  Relation relation;
863  Oid classId;
864  ObjectAddress address;
865 
866  address = get_object_address(stmt->objectType,
867  stmt->object,
868  &relation,
870  false);
871  Assert(relation == NULL);
872  classId = address.classId;
873 
874  /*
875  * XXX - get_object_address returns Oid of pg_largeobject
876  * catalog for OBJECT_LARGEOBJECT because of historical
877  * reasons. Fix up it here.
878  */
879  if (classId == LargeObjectRelationId)
880  classId = LargeObjectMetadataRelationId;
881 
882  catalog = table_open(classId, RowExclusiveLock);
883 
884  AlterObjectOwner_internal(catalog, address.objectId, newowner);
885  table_close(catalog, RowExclusiveLock);
886 
887  return address;
888  }
889  break;
890 
891  default:
892  elog(ERROR, "unrecognized AlterOwnerStmt type: %d",
893  (int) stmt->objectType);
894  return InvalidObjectAddress; /* keep compiler happy */
895  }
896 }
RoleSpec * newowner
Definition: parsenodes.h:2939
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:133
#define castNode(_type_, nodeptr)
Definition: nodes.h:594
ObjectType objectType
Definition: parsenodes.h:2936
#define strVal(v)
Definition: value.h:54
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:3300
#define ERROR
Definition: elog.h:43
ObjectAddress AlterForeignDataWrapperOwner(const char *name, Oid newOwnerId)
Definition: foreigncmds.c:275
void AlterObjectOwner_internal(Relation rel, Oid objectId, Oid new_ownerId)
Definition: alter.c:908
#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:5217
ObjectAddress AlterPublicationOwner(const char *name, Oid newOwnerId)
ObjectAddress AlterSchemaOwner(const char *name, Oid newOwnerId)
Definition: schemacmds.c:322
#define Assert(condition)
Definition: c.h:739
Definition: value.h:42
ObjectAddress AlterForeignServerOwner(const char *name, Oid newOwnerId)
Definition: foreigncmds.c:415
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:1676
#define AccessExclusiveLock
Definition: lockdefs.h:45
const ObjectAddress InvalidObjectAddress
#define elog(elevel,...)
Definition: elog.h:228
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
Definition: pg_list.h:50

◆ ExecRenameStmt()

ObjectAddress ExecRenameStmt ( RenameStmt stmt)

Definition at line 331 of file alter.c.

References AccessExclusiveLock, AlterObjectRename_internal(), Assert, ObjectAddress::classId, elog, ERROR, get_object_address(), 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, RenameStmt::subname, table_close(), and table_open().

Referenced by ProcessUtilitySlow(), and standard_ProcessUtility().

332 {
333  switch (stmt->renameType)
334  {
337  return RenameConstraint(stmt);
338 
339  case OBJECT_DATABASE:
340  return RenameDatabase(stmt->subname, stmt->newname);
341 
342  case OBJECT_ROLE:
343  return RenameRole(stmt->subname, stmt->newname);
344 
345  case OBJECT_SCHEMA:
346  return RenameSchema(stmt->subname, stmt->newname);
347 
348  case OBJECT_TABLESPACE:
349  return RenameTableSpace(stmt->subname, stmt->newname);
350 
351  case OBJECT_TABLE:
352  case OBJECT_SEQUENCE:
353  case OBJECT_VIEW:
354  case OBJECT_MATVIEW:
355  case OBJECT_INDEX:
357  return RenameRelation(stmt);
358 
359  case OBJECT_COLUMN:
360  case OBJECT_ATTRIBUTE:
361  return renameatt(stmt);
362 
363  case OBJECT_RULE:
364  return RenameRewriteRule(stmt->relation, stmt->subname,
365  stmt->newname);
366 
367  case OBJECT_TRIGGER:
368  return renametrig(stmt);
369 
370  case OBJECT_POLICY:
371  return rename_policy(stmt);
372 
373  case OBJECT_DOMAIN:
374  case OBJECT_TYPE:
375  return RenameType(stmt);
376 
377  case OBJECT_AGGREGATE:
378  case OBJECT_COLLATION:
379  case OBJECT_CONVERSION:
381  case OBJECT_FDW:
383  case OBJECT_FUNCTION:
384  case OBJECT_OPCLASS:
385  case OBJECT_OPFAMILY:
386  case OBJECT_LANGUAGE:
387  case OBJECT_PROCEDURE:
388  case OBJECT_ROUTINE:
391  case OBJECT_TSDICTIONARY:
392  case OBJECT_TSPARSER:
393  case OBJECT_TSTEMPLATE:
394  case OBJECT_PUBLICATION:
395  case OBJECT_SUBSCRIPTION:
396  {
397  ObjectAddress address;
398  Relation catalog;
399  Relation relation;
400 
401  address = get_object_address(stmt->renameType,
402  stmt->object,
403  &relation,
404  AccessExclusiveLock, false);
405  Assert(relation == NULL);
406 
407  catalog = table_open(address.classId, RowExclusiveLock);
409  address.objectId,
410  stmt->newname);
411  table_close(catalog, RowExclusiveLock);
412 
413  return address;
414  }
415 
416  default:
417  elog(ERROR, "unrecognized rename stmt type: %d",
418  (int) stmt->renameType);
419  return InvalidObjectAddress; /* keep compiler happy */
420  }
421 }
ObjectAddress RenameSchema(const char *oldname, const char *newname)
Definition: schemacmds.c:241
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:133
ObjectAddress RenameType(RenameStmt *stmt)
Definition: typecmds.c:3222
char * subname
Definition: parsenodes.h:2895
ObjectType renameType
Definition: parsenodes.h:2891
ObjectAddress RenameRelation(RenameStmt *stmt)
Definition: tablecmds.c:3281
char * newname
Definition: parsenodes.h:2897
ObjectAddress RenameDatabase(const char *oldname, const char *newname)
Definition: dbcommands.c:1018
#define ERROR
Definition: elog.h:43
ObjectAddress rename_policy(RenameStmt *stmt)
Definition: policy.c:1218
#define RowExclusiveLock
Definition: lockdefs.h:38
Node * object
Definition: parsenodes.h:2894
ObjectAddress renametrig(RenameStmt *stmt)
Definition: trigger.c:1672
ObjectAddress renameatt(RenameStmt *stmt)
Definition: tablecmds.c:3086
ObjectAddress RenameConstraint(RenameStmt *stmt)
Definition: tablecmds.c:3230
RangeVar * relation
Definition: parsenodes.h:2893
ObjectAddress RenameRole(const char *oldname, const char *newname)
Definition: user.c:1161
#define Assert(condition)
Definition: c.h:739
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:925
#define AccessExclusiveLock
Definition: lockdefs.h:45
const ObjectAddress InvalidObjectAddress
#define elog(elevel,...)
Definition: elog.h:228
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39

◆ report_name_conflict()

static void report_name_conflict ( Oid  classId,
const char *  name 
)
static

Definition at line 77 of file alter.c.

References elog, ereport, errcode(), ERRCODE_DUPLICATE_OBJECT, errmsg(), ERROR, and gettext_noop.

Referenced by AlterObjectRename_internal().

78 {
79  char *msgfmt;
80 
81  switch (classId)
82  {
83  case EventTriggerRelationId:
84  msgfmt = gettext_noop("event trigger \"%s\" already exists");
85  break;
86  case ForeignDataWrapperRelationId:
87  msgfmt = gettext_noop("foreign-data wrapper \"%s\" already exists");
88  break;
89  case ForeignServerRelationId:
90  msgfmt = gettext_noop("server \"%s\" already exists");
91  break;
92  case LanguageRelationId:
93  msgfmt = gettext_noop("language \"%s\" already exists");
94  break;
95  case PublicationRelationId:
96  msgfmt = gettext_noop("publication \"%s\" already exists");
97  break;
98  case SubscriptionRelationId:
99  msgfmt = gettext_noop("subscription \"%s\" already exists");
100  break;
101  default:
102  elog(ERROR, "unsupported object class %u", classId);
103  break;
104  }
105 
106  ereport(ERROR,
108  errmsg(msgfmt, name)));
109 }
#define gettext_noop(x)
Definition: c.h:1148
int errcode(int sqlerrcode)
Definition: elog.c:608
#define ERROR
Definition: elog.h:43
#define ereport(elevel, rest)
Definition: elog.h:141
const char * name
Definition: encode.c:521
int errmsg(const char *fmt,...)
Definition: elog.c:822
#define elog(elevel,...)
Definition: elog.h:228
#define ERRCODE_DUPLICATE_OBJECT
Definition: streamutil.c:31

◆ report_namespace_conflict()

static void report_namespace_conflict ( Oid  classId,
const char *  name,
Oid  nspOid 
)
static

Definition at line 112 of file alter.c.

References Assert, elog, ereport, errcode(), ERRCODE_DUPLICATE_OBJECT, errmsg(), ERROR, get_namespace_name(), gettext_noop, and OidIsValid.

Referenced by AlterObjectNamespace_internal(), and AlterObjectRename_internal().

113 {
114  char *msgfmt;
115 
116  Assert(OidIsValid(nspOid));
117 
118  switch (classId)
119  {
120  case ConversionRelationId:
121  Assert(OidIsValid(nspOid));
122  msgfmt = gettext_noop("conversion \"%s\" already exists in schema \"%s\"");
123  break;
124  case StatisticExtRelationId:
125  Assert(OidIsValid(nspOid));
126  msgfmt = gettext_noop("statistics object \"%s\" already exists in schema \"%s\"");
127  break;
128  case TSParserRelationId:
129  Assert(OidIsValid(nspOid));
130  msgfmt = gettext_noop("text search parser \"%s\" already exists in schema \"%s\"");
131  break;
132  case TSDictionaryRelationId:
133  Assert(OidIsValid(nspOid));
134  msgfmt = gettext_noop("text search dictionary \"%s\" already exists in schema \"%s\"");
135  break;
136  case TSTemplateRelationId:
137  Assert(OidIsValid(nspOid));
138  msgfmt = gettext_noop("text search template \"%s\" already exists in schema \"%s\"");
139  break;
140  case TSConfigRelationId:
141  Assert(OidIsValid(nspOid));
142  msgfmt = gettext_noop("text search configuration \"%s\" already exists in schema \"%s\"");
143  break;
144  default:
145  elog(ERROR, "unsupported object class %u", classId);
146  break;
147  }
148 
149  ereport(ERROR,
151  errmsg(msgfmt, name, get_namespace_name(nspOid))));
152 }
#define gettext_noop(x)
Definition: c.h:1148
int errcode(int sqlerrcode)
Definition: elog.c:608
#define OidIsValid(objectId)
Definition: c.h:645
#define ERROR
Definition: elog.h:43
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3094
#define ereport(elevel, rest)
Definition: elog.h:141
#define Assert(condition)
Definition: c.h:739
const char * name
Definition: encode.c:521
int errmsg(const char *fmt,...)
Definition: elog.c:822
#define elog(elevel,...)
Definition: elog.h:228
#define ERRCODE_DUPLICATE_OBJECT
Definition: streamutil.c:31