diff options
| -rw-r--r-- | odb/sqlite/forward.hxx | 7 | ||||
| -rw-r--r-- | odb/sqlite/object-result.txx | 18 | ||||
| -rw-r--r-- | odb/sqlite/object-statements.hxx | 158 | ||||
| -rw-r--r-- | odb/sqlite/object-statements.txx | 25 |
4 files changed, 113 insertions, 95 deletions
diff --git a/odb/sqlite/forward.hxx b/odb/sqlite/forward.hxx index 5203434..23d995e 100644 --- a/odb/sqlite/forward.hxx +++ b/odb/sqlite/forward.hxx @@ -23,6 +23,13 @@ namespace odb // Implementation details. // + enum statement_kind + { + statement_select, + statement_insert, + statement_update + }; + class binding; class select_statement; diff --git a/odb/sqlite/object-result.txx b/odb/sqlite/object-result.txx index 7675262..6e3a0c9 100644 --- a/odb/sqlite/object-result.txx +++ b/odb/sqlite/object-result.txx @@ -94,11 +94,11 @@ namespace odb // typename object_traits::image_type& im (statements_.image ()); - if (im.version != statements_.out_image_version ()) + if (im.version != statements_.select_image_version ()) { - binding& b (statements_.out_image_binding ()); - object_traits::bind (b.bind, im, true); - statements_.out_image_version (im.version); + binding& b (statements_.select_image_binding ()); + object_traits::bind (b.bind, im, statement_select); + statements_.select_image_version (im.version); b.version++; } @@ -106,14 +106,14 @@ namespace odb if (r == select_statement::truncated) { - if (object_traits::grow (im, statements_.out_image_truncated ())) + if (object_traits::grow (im, statements_.select_image_truncated ())) im.version++; - if (im.version != statements_.out_image_version ()) + if (im.version != statements_.select_image_version ()) { - binding& b (statements_.out_image_binding ()); - object_traits::bind (b.bind, im, true); - statements_.out_image_version (im.version); + binding& b (statements_.select_image_binding ()); + object_traits::bind (b.bind, im, statement_select); + statements_.select_image_version (im.version); b.version++; statement_->reload (); } diff --git a/odb/sqlite/object-statements.hxx b/odb/sqlite/object-statements.hxx index 4816d66..a651507 100644 --- a/odb/sqlite/object-statements.hxx +++ b/odb/sqlite/object-statements.hxx @@ -101,10 +101,10 @@ namespace odb typename object_traits::container_statement_cache_type container_statement_cache_type; - typedef sqlite::insert_statement persist_statement_type; - typedef sqlite::select_statement find_statement_type; + typedef sqlite::insert_statement insert_statement_type; + typedef sqlite::select_statement select_statement_type; typedef sqlite::update_statement update_statement_type; - typedef sqlite::delete_statement erase_statement_type; + typedef sqlite::delete_statement delete_statement_type; // Automatic lock. // @@ -177,89 +177,70 @@ namespace odb // Object image. // image_type& - image () - { - return image_; - } - - std::size_t - in_image_version () const - { - return in_image_version_; - } + image () {return image_;} + // Insert binding. + // std::size_t - out_image_version () const - { - return out_image_version_; - } + insert_image_version () const { return insert_image_version_;} void - in_image_version (std::size_t v) - { - in_image_version_ = v; - } + insert_image_version (std::size_t v) {insert_image_version_ = v;} + + binding& + insert_image_binding () {return insert_image_binding_;} + + // Update binding. + // + std::size_t + update_image_version () const { return update_image_version_;} void - out_image_version (std::size_t v) - { - out_image_version_ = v; - } + update_image_version (std::size_t v) {update_image_version_ = v;} binding& - in_image_binding () - { - return in_image_binding_; - } + update_image_binding () {return update_image_binding_;} + + // Select binding. + // + std::size_t + select_image_version () const { return select_image_version_;} + + void + select_image_version (std::size_t v) {select_image_version_ = v;} binding& - out_image_binding () - { - return out_image_binding_; - } + select_image_binding () {return select_image_binding_;} bool* - out_image_truncated () - { - return out_image_truncated_; - } + select_image_truncated () {return select_image_truncated_;} - // Object id image. + // Object id image and binding. // id_image_type& - id_image () - { - return id_image_; - } + id_image () {return id_image_;} std::size_t - id_image_version () const - { - return id_image_version_; - } + id_image_version () const {return id_image_version_;} void - id_image_version (std::size_t v) - { - id_image_version_ = v; - } + id_image_version (std::size_t v) {id_image_version_ = v;} binding& - id_image_binding () - { - return id_image_binding_; - } + id_image_binding () {return id_image_binding_;} // Statements. // - persist_statement_type& + insert_statement_type& persist_statement () { if (persist_ == 0) { persist_.reset ( - new (details::shared) persist_statement_type ( - conn_, object_traits::persist_statement, in_image_binding_)); + new (details::shared) insert_statement_type ( + conn_, + object_traits::persist_statement, + insert_image_binding_)); persist_->cached (true); } @@ -267,17 +248,17 @@ namespace odb return *persist_; } - find_statement_type& + select_statement_type& find_statement () { if (find_ == 0) { find_.reset ( - new (details::shared) find_statement_type ( + new (details::shared) select_statement_type ( conn_, object_traits::find_statement, id_image_binding_, - out_image_binding_)); + select_image_binding_)); find_->cached (true); } @@ -295,7 +276,7 @@ namespace odb conn_, object_traits::update_statement, id_image_binding_, - in_image_binding_)); + update_image_binding_)); update_->cached (true); } @@ -303,13 +284,13 @@ namespace odb return *update_; } - erase_statement_type& + delete_statement_type& erase_statement () { if (erase_ == 0) { erase_.reset ( - new (details::shared) erase_statement_type ( + new (details::shared) delete_statement_type ( conn_, object_traits::erase_statement, id_image_binding_)); @@ -340,33 +321,58 @@ namespace odb clear_delayed_ (); private: + // select = total + // insert = total - inverse + // update = total - inverse - id - readonly + // + static const std::size_t select_column_count = + object_traits::column_count; + + static const std::size_t insert_column_count = + object_traits::column_count - object_traits::inverse_column_count; + + static const std::size_t update_column_count = insert_column_count - + object_traits::id_column_count - object_traits::readonly_column_count; + + static const std::size_t id_column_count = + object_traits::id_column_count; + + private: container_statement_cache_type container_statement_cache_; image_type image_; - // In (send) binding. The last element is the id parameter. + // Select binding. + // + std::size_t select_image_version_; + binding select_image_binding_; + bind select_image_bind_[select_column_count]; + bool select_image_truncated_[select_column_count]; + + // Insert binding. // - std::size_t in_image_version_; - binding in_image_binding_; - bind in_image_bind_[object_traits::in_column_count + 1]; + std::size_t insert_image_version_; + binding insert_image_binding_; + bind insert_image_bind_[insert_column_count]; - // Out (receive) binding. + // Update binding. The suffix of the bind array is object id. We + // do it this way for consistency with other database runtimes. // - std::size_t out_image_version_; - binding out_image_binding_; - bind out_image_bind_[object_traits::out_column_count]; - bool out_image_truncated_[object_traits::out_column_count]; + std::size_t update_image_version_; + binding update_image_binding_; + bind update_image_bind_[update_column_count + id_column_count]; - // Id image binding (only in). + // Id image binding (only used as a parameter). Uses the suffix in + // the update bind. // id_image_type id_image_; std::size_t id_image_version_; binding id_image_binding_; - details::shared_ptr<persist_statement_type> persist_; - details::shared_ptr<find_statement_type> find_; + details::shared_ptr<insert_statement_type> persist_; + details::shared_ptr<select_statement_type> find_; details::shared_ptr<update_statement_type> update_; - details::shared_ptr<erase_statement_type> erase_; + details::shared_ptr<delete_statement_type> erase_; // Delayed loading. // diff --git a/odb/sqlite/object-statements.txx b/odb/sqlite/object-statements.txx index 04d57c8..fd596e7 100644 --- a/odb/sqlite/object-statements.txx +++ b/odb/sqlite/object-statements.txx @@ -27,23 +27,28 @@ namespace odb object_statements (connection_type& conn) : object_statements_base (conn), container_statement_cache_ (conn), - in_image_binding_ (in_image_bind_, object_traits::in_column_count), - out_image_binding_ (out_image_bind_, object_traits::out_column_count), - id_image_binding_ (in_image_bind_ + object_traits::in_column_count, 1) + select_image_binding_ (select_image_bind_, select_column_count), + insert_image_binding_ (insert_image_bind_, insert_column_count), + update_image_binding_ (update_image_bind_, update_column_count), + id_image_binding_ (update_image_bind_ + update_column_count, + id_column_count) { image_.version = 0; - in_image_version_ = 0; - out_image_version_ = 0; + select_image_version_ = 0; + insert_image_version_ = 0; + update_image_version_ = 0; id_image_.version = 0; id_image_version_ = 0; - std::memset (in_image_bind_, 0, sizeof (in_image_bind_)); - std::memset (out_image_bind_, 0, sizeof (out_image_bind_)); - std::memset (out_image_truncated_, 0, sizeof (out_image_truncated_)); + std::memset (insert_image_bind_, 0, sizeof (insert_image_bind_)); + std::memset (update_image_bind_, 0, sizeof (update_image_bind_)); + std::memset (select_image_bind_, 0, sizeof (select_image_bind_)); + std::memset ( + select_image_truncated_, 0, sizeof (select_image_truncated_)); - for (std::size_t i (0); i < object_traits::out_column_count; ++i) - out_image_bind_[i].truncated = out_image_truncated_ + i; + for (std::size_t i (0); i < select_column_count; ++i) + select_image_bind_[i].truncated = select_image_truncated_ + i; } template <typename T> |