From 15b1a95942518c84f8161c59820ea5d0e49a4e54 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 27 Apr 2012 11:36:43 +0200
Subject: Add support for NULL pointers to objects with composite object ids

---
 odb/relational/pgsql/inline.cxx | 43 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 odb/relational/pgsql/inline.cxx

(limited to 'odb/relational/pgsql')

diff --git a/odb/relational/pgsql/inline.cxx b/odb/relational/pgsql/inline.cxx
new file mode 100644
index 0000000..ece021a
--- /dev/null
+++ b/odb/relational/pgsql/inline.cxx
@@ -0,0 +1,43 @@
+// file      : odb/relational/pgsql/inline.cxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license   : GNU GPL v3; see accompanying LICENSE file
+
+#include <odb/relational/inline.hxx>
+
+#include <odb/relational/pgsql/common.hxx>
+#include <odb/relational/pgsql/context.hxx>
+
+using namespace std;
+
+namespace relational
+{
+  namespace pgsql
+  {
+    namespace inline_
+    {
+      namespace relational = relational::inline_;
+
+      struct null_member: relational::null_member_impl<sql_type>,
+                          member_base
+      {
+        null_member (base const& x)
+            : member_base::base (x),      // virtual base
+              member_base::base_impl (x), // virtual base
+              base_impl (x),
+              member_base (x)
+        {
+        }
+
+        virtual void
+        traverse_simple (member_info& mi)
+        {
+          if (get_)
+            os << "r = r && i." << mi.var << "null;";
+          else
+            os << "i." << mi.var << "null = true;";
+        }
+      };
+      entry<null_member> null_member_;
+    }
+  }
+}
-- 
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