From 9c822ec823fb8a11745f09b5e45e43b405432ae0 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(+)

(limited to 'odb/relational/processor.cxx')

diff --git a/odb/relational/processor.cxx b/odb/relational/processor.cxx
index c9f2179..5ac97f5 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 ("deferred", false);
           m.set ("on-delete", sema_rel::foreign_key::cascade);
-- 
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