2 files changed, 4 insertions, 1 deletions
diff --git a/odb/relational/oracle/context.cxx b/odb/relational/oracle/context.cxx
index e14ea77..2abb692 100644
--- a/odb/relational/oracle/context.cxx
+++ b/odb/relational/oracle/context.cxx
@@ -199,7 +199,8 @@ namespace relational
     bool context::
     unsigned_integer (semantics::type& t)
     {
-      const string& s (t.name ());
+      semantics::type* wt (wrapper (t));
+      const string& s ((wt == 0 ? t : utype (*wt)).name ());
 
       return s == "bool" ||
         s == "unsigned char" ||
diff --git a/odb/relational/oracle/context.hxx b/odb/relational/oracle/context.hxx
index c0a9dfe..a4a2ebc 100644
--- a/odb/relational/oracle/context.hxx
+++ b/odb/relational/oracle/context.hxx
@@ -103,6 +103,8 @@ namespace relational
       parse_sql_type (string, custom_db_types const* = 0);
 
     public:
+      // If necessary, unwraps.
+      //
       static bool
       unsigned_integer (semantics::type&);