From 8ea45e39522f7040048c28dbeae853eea6b03b71 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 5 Jul 2011 18:44:38 +0200
Subject: Add hook for schema column reference generation

---
 odb/relational/schema.hxx | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/odb/relational/schema.hxx b/odb/relational/schema.hxx
index ada459d..28a893a 100644
--- a/odb/relational/schema.hxx
+++ b/odb/relational/schema.hxx
@@ -189,12 +189,7 @@ namespace relational
 
         type (m);
         constraints (m);
-
-        if (semantics::class_* c = object_pointer (member_type (m, prefix_)))
-        {
-          os << " REFERENCES " << quote_id (table_name (*c)) << " (" <<
-            quote_id (column_name (*id_member (*c))) << ")";
-        }
+        reference (m);
 
         return true;
       }
@@ -212,6 +207,16 @@ namespace relational
           os << " PRIMARY KEY";
       }
 
+      virtual void
+      reference (semantics::data_member& m)
+      {
+        if (semantics::class_* c = object_pointer (member_type (m, prefix_)))
+        {
+          os << " REFERENCES " << quote_id (table_name (*c)) << " (" <<
+            quote_id (column_name (*id_member (*c))) << ")";
+        }
+      }
+
     protected:
       string prefix_;
     };
-- 
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