1 files changed, 19 insertions, 0 deletions
diff --git a/libodb/odb/polymorphic-map.ixx b/libodb/odb/polymorphic-map.ixx
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+++ b/libodb/odb/polymorphic-map.ixx
@@ -0,0 +1,19 @@
+// file      : odb/polymorphic-map.ixx
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+namespace odb
+{
+  template <typename T, database_id DB>
+  inline polymorphic_entry<T, DB>::
+  polymorphic_entry ()
+  {
+    polymorphic_entry_impl<root_type, DB>::insert (object_traits::info);
+  }
+
+  template <typename T, database_id DB>
+  inline polymorphic_entry<T, DB>::
+  ~polymorphic_entry ()
+  {
+    polymorphic_entry_impl<root_type, DB>::erase (object_traits::info);
+  }
+}