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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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44
src/backend/commands/dbcommands.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/dbcommands.c,v 1.136 2004/06/18 06:13:22 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/dbcommands.c,v 1.137 2004/06/25 21:55:53 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -666,7 +666,7 @@ RenameDatabase(const char *oldname, const char *newname)
/* rename */
newtup = heap_copytuple(tup);
namestrcpy(&(((Form_pg_database) GETSTRUCT(newtup))->datname), newname);
simple_heap_update(rel, &tup->t_self, newtup);
simple_heap_update(rel, &newtup->t_self, newtup);
CatalogUpdateIndexes(rel, newtup);
systable_endscan(scan);
@ -758,7 +758,7 @@ AlterDatabaseSet(AlterDatabaseSetStmt *stmt)
CatalogUpdateIndexes(rel, newtuple);
systable_endscan(scan);
heap_close(rel, RowExclusiveLock);
heap_close(rel, NoLock);
}
@ -766,14 +766,14 @@ AlterDatabaseSet(AlterDatabaseSetStmt *stmt)
* ALTER DATABASE name OWNER TO newowner
*/
void
AlterDatabaseOwner(const char *dbname, const char *newowner)
AlterDatabaseOwner(const char *dbname, AclId newOwnerSysId)
{
AclId newdatdba;
HeapTuple tuple,
newtuple;
Relation rel;
ScanKeyData scankey;
SysScanDesc scan;
Form_pg_database datForm;
rel = heap_openr(DatabaseRelationName, RowExclusiveLock);
ScanKeyInit(&scankey,
@ -788,21 +788,27 @@ AlterDatabaseOwner(const char *dbname, const char *newowner)
(errcode(ERRCODE_UNDEFINED_DATABASE),
errmsg("database \"%s\" does not exist", dbname)));
/* obtain sysid of proposed owner */
newdatdba = get_usesysid(newowner); /* will ereport if no such user */
/* changing owner's database for someone else: must be superuser */
/* note that the someone else need not have any permissions */
if (!superuser())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to change owner's database for another user")));
/* change owner */
newtuple = heap_copytuple(tuple);
((Form_pg_database) GETSTRUCT(newtuple))->datdba = newdatdba;
simple_heap_update(rel, &tuple->t_self, newtuple);
CatalogUpdateIndexes(rel, newtuple);
datForm = (Form_pg_database) GETSTRUCT(newtuple);
/*
* If the new owner is the same as the existing owner, consider the
* command to have succeeded. This is to be consistent with other objects.
*/
if (datForm->datdba != newOwnerSysId)
{
/* changing owner's database for someone else: must be superuser */
/* note that the someone else need not have any permissions */
if (!superuser())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to change owner")));
/* change owner */
datForm->datdba = newOwnerSysId;
simple_heap_update(rel, &newtuple->t_self, newtuple);
CatalogUpdateIndexes(rel, newtuple);
}
systable_endscan(scan);
heap_close(rel, NoLock);