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Support renaming of tablespaces, and changing the owners of

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aggregates, conversions, functions, operators, operator classes,
schemas, types, and tablespaces.  Fold the existing implementations
of alter domain owner and alter database owner in with these.

Christopher Kings-Lynne
This commit is contained in:
Tom Lane
2004-06-25 21:55:59 +00:00
parent 1621192b11
commit 0adfa2c39d
40 changed files with 1380 additions and 234 deletions
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47
src/backend/commands/schemacmds.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/schemacmds.c,v 1.19 2004/06/18 06:13:23 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/schemacmds.c,v 1.20 2004/06/25 21:55:53 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -307,3 +307,48 @@ RenameSchema(const char *oldname, const char *newname)
heap_close(rel, NoLock);
heap_freetuple(tup);
}
/*
* Change schema owner
*/
void
AlterSchemaOwner(const char *name, AclId newOwnerSysId)
{
HeapTuple tup;
Relation rel;
Form_pg_namespace nspForm;
rel = heap_openr(NamespaceRelationName, RowExclusiveLock);
tup = SearchSysCacheCopy(NAMESPACENAME,
CStringGetDatum(name),
0, 0, 0);
if (!HeapTupleIsValid(tup))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_SCHEMA),
errmsg("schema \"%s\" does not exist", name)));
nspForm = (Form_pg_namespace) GETSTRUCT(tup);
/*
* If the new owner is the same as the existing owner, consider the
* command to have succeeded. This is for dump restoration purposes.
*/
if (nspForm->nspowner != newOwnerSysId)
{
/* Otherwise, must be superuser to change object ownership */
if (!superuser())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to change owner")));
/* Modify the owner --- okay to scribble on tup because it's a copy */
nspForm->nspowner = newOwnerSysId;
simple_heap_update(rel, &tup->t_self, tup);
CatalogUpdateIndexes(rel, tup);
}
heap_close(rel, NoLock);
heap_freetuple(tup);
}