1 files changed, 63 insertions, 0 deletions
diff --git a/src/backend/catalog/objectaccess.c b/src/backend/catalog/objectaccess.c
new file mode 100644
index 00000000000..09f9db5aaf8
--- /dev/null
+++ b/src/backend/catalog/objectaccess.c
@@ -0,0 +1,63 @@
+/* -------------------------------------------------------------------------
+ *
+ * objectaccess.c
+ *		functions for object_access_hook on various events
+ *
+ * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * -------------------------------------------------------------------------
+ */
+#include "postgres.h"
+
+#include "catalog/objectaccess.h"
+
+/*
+ * Hook on object accesses.  This is intended as infrastructure for security
+ * and logging plugins.
+ */
+object_access_hook_type object_access_hook = NULL;
+
+/*
+ * RunObjectPostCreateHook
+ *
+ * It is entrypoint of OAT_POST_CREATE event
+ */
+void
+RunObjectPostCreateHook(Oid classId, Oid objectId, int subId,
+						bool is_internal)
+{
+	ObjectAccessPostCreate	pc_arg;
+
+	/* caller should check, but just in case... */
+	Assert(object_access_hook != NULL);
+
+	memset(&pc_arg, 0, sizeof(ObjectAccessPostCreate));
+	pc_arg.is_internal = is_internal;
+
+	(*object_access_hook)(OAT_POST_CREATE,
+						  classId, objectId, subId,
+						  (void *) &pc_arg);
+}
+
+/*
+ * RunObjectDropHook
+ *
+ * It is entrypoint of OAT_DROP event
+ */
+void
+RunObjectDropHook(Oid classId, Oid objectId, int subId,
+				  int dropflags)
+{
+	ObjectAccessDrop	drop_arg;
+
+	/* caller should check, but just in case... */
+	Assert(object_access_hook != NULL);
+
+	memset(&drop_arg, 0, sizeof(ObjectAccessDrop));
+	drop_arg.dropflags = dropflags;
+
+	(*object_access_hook)(OAT_DROP,
+						  classId, objectId, subId,
+						  (void *) &drop_arg);
+}