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sepgsql DROP support.

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KaiGai Kohei
This commit is contained in:
Robert Haas
2012-03-09 15:18:45 -05:00
parent 07d1edb954
commit e914a144d3
11 changed files with 483 additions and 88 deletions
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46
contrib/sepgsql/hooks.c
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@ -10,6 +10,7 @@
*/
#include "postgres.h"
#include "catalog/dependency.h"
#include "catalog/objectaccess.h"
#include "catalog/pg_class.h"
#include "catalog/pg_database.h"
@ -87,10 +88,11 @@ static void
sepgsql_object_access(ObjectAccessType access,
Oid classId,
Oid objectId,
int subId)
int subId,
void *arg)
{
if (next_object_access_hook)
(*next_object_access_hook) (access, classId, objectId, subId);
(*next_object_access_hook) (access, classId, objectId, subId, arg);
switch (access)
{
@ -146,6 +148,46 @@ sepgsql_object_access(ObjectAccessType access,
}
break;
case OAT_DROP:
{
ObjectAccessDrop *drop_arg = (ObjectAccessDrop *)arg;
/*
* No need to apply permission checks on object deletion
* due to internal cleanups; such as removal of temporary
* database object on session closed.
*/
if ((drop_arg->dropflags & PERFORM_DELETION_INTERNAL) != 0)
break;
switch (classId)
{
case DatabaseRelationId:
sepgsql_database_drop(objectId);
break;
case NamespaceRelationId:
sepgsql_schema_drop(objectId);
break;
case RelationRelationId:
if (subId == 0)
sepgsql_relation_drop(objectId);
else
sepgsql_attribute_drop(objectId, subId);
break;
case ProcedureRelationId:
sepgsql_proc_drop(objectId);
break;
default:
/* Ignore unsupported object classes */
break;
}
}
break;
default:
elog(ERROR, "unexpected object access type: %d", (int) access);
break;