Add support for container persistence

Generalize statements that were used for persisting objects to work for
both objects and containers. Implement a cache for container statements.

1 files changed, 5 insertions, 1 deletions

diff --git a/odb/mysql/forward.hxx b/odb/mysql/forward.hxx
index 095b857..3b36780 100644
--- a/odb/mysql/forward.hxx
+++ b/odb/mysql/forward.hxx
@@ -16,11 +16,15 @@ namespace odb
     class connection;
     class connection_factory;
     class transaction;
-    class binding;
     class query;
 
+    // Implementation details.
+    //
     template <typename T>
     class object_statements;
+
+    template <typename T>
+    class container_statements;
   }
 }