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Diffstat (limited to 'odb/mssql/section-statements.txx')
-rw-r--r-- | odb/mssql/section-statements.txx | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/odb/mssql/section-statements.txx b/odb/mssql/section-statements.txx new file mode 100644 index 0000000..fcb6874 --- /dev/null +++ b/odb/mssql/section-statements.txx @@ -0,0 +1,49 @@ +// file : odb/mssql/section-statements.txx +// copyright : Copyright (c) 2005-2013 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#include <cstring> // std::memset + +namespace odb +{ + namespace mssql + { + template <typename T, typename ST> + section_statements<T, ST>:: + section_statements (connection_type& conn, + image_type& im, + binding& id, binding& idv) + : conn_ (conn), + image_ (im), + id_binding_ (id), + idv_binding_ (idv), + select_image_binding_ (select_image_bind_, + select_column_count + + managed_optimistic_load_column_count), + update_image_binding_ (update_image_bind_, + update_column_count + id_column_count + + managed_optimistic_update_column_count) + { + select_image_version_ = 0; + update_image_version_ = 0; + update_id_binding_version_ = 0; + + // If we are using optimistic concurrency, then the select statement + // will override the version member in the object image. + // + if (managed_optimistic_load_column_count != 0) + { + // Getting to the root image in polymorphic case is tricky. + // + typedef object_traits_impl<T, id_mssql> object_traits; + + select_image_binding_.change_callback = + root_image<object_traits, object_traits::polymorphic>::get ( + image_).change_callback (); + } + + std::memset (select_image_bind_, 0, sizeof (select_image_bind_)); + std::memset (update_image_bind_, 0, sizeof (update_image_bind_)); + } + } +} |