From 70163be20183541e6fc26898d86b15b929d8b800 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 8 Jun 2013 15:07:11 +0200
Subject: Propagate custom column name to polymorphic id refs

---
 odb/relational/processor.cxx | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/odb/relational/processor.cxx b/odb/relational/processor.cxx
index 34c8e2d..5523b1e 100644
--- a/odb/relational/processor.cxx
+++ b/odb/relational/processor.cxx
@@ -208,6 +208,16 @@ namespace relational
 
         if (m.count ("polymorphic-ref"))
         {
+          // Copy the column name from the root's id member, if specified.
+          //
+          {
+            semantics::class_& r (*object_pointer (t));
+            semantics::data_member& id (*id_member (r));
+
+            if (id.count ("column"))
+              m.set ("column", id.get<table_column> ("column"));
+          }
+
           m.set ("not-null", true);
           m.set ("deferrable",
                  sema_rel::deferrable (sema_rel::deferrable::not_deferrable));
-- 
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