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-rw-r--r--odb/relational/processor.cxx10
1 files changed, 10 insertions, 0 deletions
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));