Query support

1 files changed, 89 insertions, 0 deletions

diff --git a/odb/sqlite/result.hxx b/odb/sqlite/result.hxx
new file mode 100644
index 0000000..187589e
--- /dev/null
+++ b/odb/sqlite/result.hxx
@@ -0,0 +1,89 @@
+// file      : odb/sqlite/result.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_SQLITE_RESULT_HXX
+#define ODB_SQLITE_RESULT_HXX
+
+#include <odb/pre.hxx>
+
+#include <cstddef> // std::size_t
+
+#include <odb/result.hxx>
+
+#include <odb/sqlite/version.hxx>
+#include <odb/sqlite/forward.hxx>
+#include <odb/sqlite/query.hxx>
+#include <odb/sqlite/statement.hxx>
+
+#include <odb/details/shared-ptr.hxx>
+
+namespace odb
+{
+  namespace sqlite
+  {
+    class result_impl_base
+    {
+    public:
+      result_impl_base (const query&, details::shared_ptr<select_statement>);
+
+    protected:
+      // We need to hold on to the query parameters because SQLite uses
+      // the parameter buffers to find each next row.
+      //
+      details::shared_ptr<query_params> params_;
+      details::shared_ptr<select_statement> statement_;
+    };
+
+    template <typename T>
+    class result_impl: public odb::result_impl<T>, public result_impl_base
+    {
+    public:
+      typedef typename odb::result_impl<T>::pointer_type pointer_type;
+      typedef typename odb::result_impl<T>::pointer_traits pointer_traits;
+
+      typedef typename odb::result_impl<T>::object_type object_type;
+      typedef typename odb::result_impl<T>::id_type id_type;
+      typedef typename odb::result_impl<T>::object_traits object_traits;
+
+
+      virtual
+      ~result_impl ();
+
+      result_impl (const query&,
+                   details::shared_ptr<select_statement>,
+                   object_statements<object_type>&);
+
+      virtual void
+      load (object_type&);
+
+      virtual id_type
+      load_id ();
+
+      virtual void
+      next ();
+
+      virtual void
+      cache ();
+
+      virtual std::size_t
+      size ();
+
+      using odb::result_impl<T>::current;
+
+    private:
+      void
+      load_image ();
+
+    private:
+      object_statements<object_type>& statements_;
+    };
+  }
+}
+
+#include <odb/sqlite/result.txx>
+
+#include <odb/post.hxx>
+
+#endif // ODB_SQLITE_RESULT_HXX