1 files changed, 6 insertions, 2 deletions
diff --git a/odb/relational/oracle/context.hxx b/odb/relational/oracle/context.hxx
index 273f0e5..37716f0 100644
--- a/odb/relational/oracle/context.hxx
+++ b/odb/relational/oracle/context.hxx
@@ -5,6 +5,8 @@
 #ifndef ODB_RELATIONAL_ORACLE_CONTEXT_HXX
 #define ODB_RELATIONAL_ORACLE_CONTEXT_HXX
 
+#include <map>
+
 #include <odb/relational/context.hxx>
 
 namespace relational
@@ -73,8 +75,7 @@ namespace relational
     {
     public:
       sql_type const&
-      column_sql_type (semantics::data_member&,
-                       string const& key_prefix = string ());
+      parse_sql_type (string const&, semantics::data_member&);
 
     public:
       struct invalid_sql_type
@@ -126,6 +127,9 @@ namespace relational
       struct data: base_context::data
       {
         data (std::ostream& os): base_context::data (os) {}
+
+        typedef std::map<string, sql_type> sql_type_cache;
+        sql_type_cache sql_type_cache_;
       };
       data* data_;
     };