diff options
| author | Boris Kolpackov <boris@codesynthesis.com> | 2010-09-23 09:07:28 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2010-09-23 09:07:28 +0200 |
| commit | 9e2f9ffa375d1013e481e6b399941fdb8bd32ffa (patch) | |
| tree | 5e66bdbd7e6a73368a6b2fdb333cc3e854461ae3 | |
| parent | a1638d19a9088a3488b80163afe414a5355debd9 (diff) | |
Move default traits implementation to default_value_traits
This way traits for any type can be specialized.
| -rw-r--r-- | odb/mysql/traits.hxx | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/odb/mysql/traits.hxx b/odb/mysql/traits.hxx index e823eda..41a754f 100644 --- a/odb/mysql/traits.hxx +++ b/odb/mysql/traits.hxx @@ -53,8 +53,20 @@ namespace odb id_set }; + // + // value_traits + // + template <typename T, typename I, database_type_id> - class value_traits + struct default_value_traits; + + template <typename T, typename I, database_type_id ID> + class value_traits: public default_value_traits<T, I, ID> + { + }; + + template <typename T, typename I, database_type_id> + class default_value_traits { public: typedef T value_type; @@ -107,25 +119,25 @@ namespace odb }; template <> - class LIBODB_MYSQL_EXPORT value_traits< + class LIBODB_MYSQL_EXPORT default_value_traits< std::string, details::buffer, id_string>: public string_value_traits { }; template <> - class LIBODB_MYSQL_EXPORT value_traits< + class LIBODB_MYSQL_EXPORT default_value_traits< std::string, details::buffer, id_decimal>: public string_value_traits { }; template <> - class LIBODB_MYSQL_EXPORT value_traits< + class LIBODB_MYSQL_EXPORT default_value_traits< std::string, details::buffer, id_enum>: public string_value_traits { }; template <> - class LIBODB_MYSQL_EXPORT value_traits< + class LIBODB_MYSQL_EXPORT default_value_traits< std::string, details::buffer, id_set>: public string_value_traits { }; @@ -151,25 +163,25 @@ namespace odb }; template <> - class LIBODB_MYSQL_EXPORT value_traits< + class LIBODB_MYSQL_EXPORT default_value_traits< const char*, details::buffer, id_string>: public c_string_value_traits { }; template <> - class LIBODB_MYSQL_EXPORT value_traits< + class LIBODB_MYSQL_EXPORT default_value_traits< const char*, details::buffer, id_decimal>: public c_string_value_traits { }; template <> - class LIBODB_MYSQL_EXPORT value_traits< + class LIBODB_MYSQL_EXPORT default_value_traits< const char*, details::buffer, id_enum>: public c_string_value_traits { }; template <> - class LIBODB_MYSQL_EXPORT value_traits< + class LIBODB_MYSQL_EXPORT default_value_traits< const char*, details::buffer, id_set>: public c_string_value_traits { }; @@ -182,11 +194,8 @@ namespace odb struct default_type_traits; template <typename T> - class type_traits + class type_traits: public default_type_traits<T> { - public: - static const database_type_id db_type_id = - default_type_traits<T>::db_type_id; }; // Integral types. |