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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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80
src/backend/commands/tablecmds.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.116 2004/06/18 06:13:23 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.117 2004/06/25 21:55:53 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1921,11 +1921,6 @@ ATPrepCmd(List **wqueue, Relation rel, AlterTableCmd *cmd,
pass = AT_PASS_MISC;
break;
case AT_ChangeOwner: /* ALTER OWNER */
/* check that we are the superuser */
if (!superuser())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to alter owner")));
/* This command never recurses */
/* No command-specific prep needed */
pass = AT_PASS_MISC;
@ -5097,42 +5092,55 @@ ATExecChangeOwner(Oid relationOid, int32 newOwnerSysId)
NameStr(tuple_class->relname))));
}
/*
* Okay, this is a valid tuple: change its ownership and write to the
* heap.
/*
* If the new owner is the same as the existing owner, consider the
* command to have succeeded. This is for dump restoration purposes.
*/
tuple_class->relowner = newOwnerSysId;
simple_heap_update(class_rel, &tuple->t_self, tuple);
/* Keep the catalog indexes up to date */
CatalogUpdateIndexes(class_rel, tuple);
/*
* If we are operating on a table, also change the ownership of any
* indexes that belong to the table, as well as the table's toast
* table (if it has one)
*/
if (tuple_class->relkind == RELKIND_RELATION ||
tuple_class->relkind == RELKIND_TOASTVALUE)
if (tuple_class->relowner != newOwnerSysId)
{
List *index_oid_list;
ListCell *i;
/* Otherwise, check that we are the superuser */
if (!superuser())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to change owner")));
/* Find all the indexes belonging to this relation */
index_oid_list = RelationGetIndexList(target_rel);
/*
* Okay, this is a valid tuple: change its ownership and write to the
* heap.
*/
tuple_class->relowner = newOwnerSysId;
simple_heap_update(class_rel, &tuple->t_self, tuple);
/* For each index, recursively change its ownership */
foreach(i, index_oid_list)
ATExecChangeOwner(lfirst_oid(i), newOwnerSysId);
/* Keep the catalog indexes up to date */
CatalogUpdateIndexes(class_rel, tuple);
list_free(index_oid_list);
}
/*
* If we are operating on a table, also change the ownership of any
* indexes that belong to the table, as well as the table's toast
* table (if it has one)
*/
if (tuple_class->relkind == RELKIND_RELATION ||
tuple_class->relkind == RELKIND_TOASTVALUE)
{
List *index_oid_list;
ListCell *i;
if (tuple_class->relkind == RELKIND_RELATION)
{
/* If it has a toast table, recurse to change its ownership */
if (tuple_class->reltoastrelid != InvalidOid)
ATExecChangeOwner(tuple_class->reltoastrelid, newOwnerSysId);
/* Find all the indexes belonging to this relation */
index_oid_list = RelationGetIndexList(target_rel);
/* For each index, recursively change its ownership */
foreach(i, index_oid_list)
ATExecChangeOwner(lfirst_oid(i), newOwnerSysId);
list_free(index_oid_list);
}
if (tuple_class->relkind == RELKIND_RELATION)
{
/* If it has a toast table, recurse to change its ownership */
if (tuple_class->reltoastrelid != InvalidOid)
ATExecChangeOwner(tuple_class->reltoastrelid, newOwnerSysId);
}
}
heap_freetuple(tuple);