From 3417fc7c0df3b1b01750874587c4f3bb2ef02f45 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 4 Dec 2013 11:30:33 +0200
Subject: Implement on_delete pragma for object pointers

Translates to the ON DELETE SQL clause.
---
 odb/semantics/relational/foreign-key.hxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'odb/semantics/relational/foreign-key.hxx')

diff --git a/odb/semantics/relational/foreign-key.hxx b/odb/semantics/relational/foreign-key.hxx
index 458683f..859b940 100644
--- a/odb/semantics/relational/foreign-key.hxx
+++ b/odb/semantics/relational/foreign-key.hxx
@@ -53,7 +53,8 @@ namespace semantics
       enum action_type
       {
         no_action,
-        cascade
+        cascade,
+        set_null
       };
 
       action_type
-- 
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