Implement support for database schema

New pragma qualifier: namespace. New pragma specifier: schema. The table
specifier was extended to accept a schema prefix. New option: --default-
schema. The common/schema test was extended to cover the new functionality.

2 files changed, 20 insertions, 23 deletions

diff --git a/odb/traversal/relational/elements.cxx b/odb/traversal/relational/elements.cxx
deleted file mode 100644
index de9c259..0000000
--- a/odb/traversal/relational/elements.cxx
+++ /dev/null
@@ -1,18 +0,0 @@
-// file      : odb/traversal/relational/elements.cxx
-// author    : Boris Kolpackov <boris@codesynthesis.com>
-// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
-// license   : GNU GPL v3; see accompanying LICENSE file
-
-#include <odb/traversal/relational/elements.hxx>
-
-namespace traversal
-{
-  namespace relational
-  {
-    void names::
-    traverse (type& e)
-    {
-      dispatch (e.nameable ());
-    }
-  }
-}
diff --git a/odb/traversal/relational/elements.hxx b/odb/traversal/relational/elements.hxx
index 72b8c39..e40a9f6 100644
--- a/odb/traversal/relational/elements.hxx
+++ b/odb/traversal/relational/elements.hxx
@@ -94,7 +94,8 @@ namespace traversal
     // Edges
     //
 
-    struct names: edge<semantics::relational::names>
+    template <typename N>
+    struct names: edge<semantics::relational::names<N> >
     {
       names ()
       {
@@ -102,18 +103,28 @@ namespace traversal
 
       names (node_dispatcher& n)
       {
-        node_traverser (n);
+        this->node_traverser (n);
       }
 
       virtual void
-      traverse (type&);
+      traverse (semantics::relational::names<N>& e)
+      {
+        dispatch (e.nameable ());
+      }
     };
 
+    typedef names<semantics::relational::uname> unames;
+    typedef names<semantics::relational::qname> qnames;
+
     //
     // Nodes
     //
 
-    struct nameable: node<semantics::relational::nameable> {};
+    template <typename N>
+    struct nameable: node<semantics::relational::nameable<N> > {};
+
+    typedef nameable<semantics::relational::uname> unameable;
+    typedef nameable<semantics::relational::qname> qnameable;
 
     //
     //
@@ -140,7 +151,11 @@ namespace traversal
       }
     };
 
-    struct scope: scope_template<semantics::relational::scope> {};
+    template <typename N>
+    struct scope: scope_template<semantics::relational::scope<N> > {};
+
+    typedef scope<semantics::relational::uname> uscope;
+    typedef scope<semantics::relational::qname> qscope;
   }
 }