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// file      : odb/query.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_QUERY_HXX
#define ODB_QUERY_HXX

#include <odb/pre.hxx>

#include <odb/traits.hxx>

namespace odb
{
  //
  //
  template <typename T>
  struct query_columns_base;

  template <typename T, const char* table>
  struct query_columns;

  template <typename T, const char* table>
  struct pointer_query_columns;

  //
  //
  template <typename T, class_kind kind = class_traits<T>::kind>
  struct query_selector;

  template <typename T>
  struct query_selector<T, class_object>
  {
    typedef typename object_traits<T>::query_base_type base_type;
    typedef typename object_traits<T>::query_type type;
  };

  template <typename T>
  struct query_selector<T, class_view>
  {
    typedef typename view_traits<T>::query_base_type base_type;
    typedef typename view_traits<T>::query_type type;
  };

  template <typename T, typename Q = typename query_selector<T>::base_type>
  class query;

  namespace core
  {
    using odb::query;
  }
}

#include <odb/post.hxx>

#endif // ODB_QUERY_HXX