diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2011-03-25 13:04:55 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2011-03-25 13:04:55 +0200 |
commit | b5d76bf8ab11e73b260cbc4343c1f947c0da2699 (patch) | |
tree | e9221606eb5c4478e4f11ff14c032b8ba81c0c4a /odb/sqlite/result.hxx | |
parent | 5d084dcd0f24237486e18f024fbbb14c13b8bffe (diff) |
Query support
Diffstat (limited to 'odb/sqlite/result.hxx')
-rw-r--r-- | odb/sqlite/result.hxx | 89 |
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 |