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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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54
src/backend/commands/conversioncmds.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/conversioncmds.c,v 1.12 2003/11/29 19:51:47 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/commands/conversioncmds.c,v 1.13 2004/06/25 21:55:53 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -171,3 +171,55 @@ RenameConversion(List *name, const char *newname)
heap_close(rel, NoLock);
heap_freetuple(tup);
}
/*
* Change conversion owner
*/
void
AlterConversionOwner(List *name, AclId newOwnerSysId)
{
Oid conversionOid;
HeapTuple tup;
Relation rel;
Form_pg_conversion convForm;
rel = heap_openr(ConversionRelationName, RowExclusiveLock);
conversionOid = FindConversionByName(name);
if (!OidIsValid(conversionOid))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("conversion \"%s\" does not exist",
NameListToString(name))));
tup = SearchSysCacheCopy(CONOID,
ObjectIdGetDatum(conversionOid),
0, 0, 0);
if (!HeapTupleIsValid(tup)) /* should not happen */
elog(ERROR, "cache lookup failed for conversion %u", conversionOid);
convForm = (Form_pg_conversion) 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 (convForm->conowner != 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 */
convForm->conowner = newOwnerSysId;
simple_heap_update(rel, &tup->t_self, tup);
CatalogUpdateIndexes(rel, tup);
}
heap_close(rel, NoLock);
heap_freetuple(tup);
}