added support in Model for removing the whole tree
(without lists/vectors at the moment yet) git-svn-id: svn://ttmath.org/publicrep/morm/trunk@1206 e52654a7-88a9-db11-a3e9-0013d4bc506e
This commit is contained in:
parent
d2f851faf9
commit
0be9feda44
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@ -101,13 +101,6 @@ args_options.Add(L"config", 1);
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* create database morm_test owner morm_test;
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*
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*/
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postgresql_connector.set_conn_param(db_name, db_user, db_pass);
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postgresql_connector.wait_for_connection();
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model_connector.set_flat_connector(json_connector);
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model_connector.set_db_connector(postgresql_connector);
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PT::Log log;
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PT::FileLog file_log;
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PT::WTextStream log_buffer;
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@ -116,12 +109,17 @@ args_options.Add(L"config", 1);
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log.SetLogBuffer(&log_buffer);
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log.SetFileLog(&file_log);
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postgresql_connector.set_conn_param(db_name, db_user, db_pass);
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postgresql_connector.set_logger(log);
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postgresql_connector.set_log_queries(true);
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postgresql_connector.wait_for_connection();
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model_connector.set_flat_connector(json_connector);
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model_connector.set_db_connector(postgresql_connector);
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model_connector.set_logger(log);
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postgresql_connector.set_log_queries(true);
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// CHECK ME may it would be better if postgresql_connector could take the logger from model_connector?
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postgresql_connector.set_logger(log);
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morm::samples::Sample01 sample_01;
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sample_01.set_connector(model_connector);
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@ -57,9 +57,10 @@ void make()
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std::wstring sss = L"cosik";
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person.set_field_value_generic(L"email", L"email", sss);
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//person.insert();
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person.insert();
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//person.update();
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person.save();
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//person.save();
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//person.remove();
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}
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@ -73,14 +74,14 @@ private:
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static void load_defaults(Person & person)
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{
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person.id = 200;
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person.id = 60;
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person.first_name = L"MyFirstName";
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person.last_name = L"MyLastName";
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person.email = L"myemail@mydomain.ltd";
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person.set_save_mode(Model::DO_INSERT_ON_SAVE);
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//person.set_save_mode(Model::DO_UPDATE_ON_SAVE);
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person.language.id = 100;
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person.language.id = 85;
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person.language.english_name = L"english";
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person.language.local_name = L"polish";
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person.language.code_str = L"en";
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@ -90,8 +91,8 @@ private:
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std::time_t t = std::time(0);
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person.attachment.id = 300;
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person.attachment.person_id = 200;
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person.attachment.id = 40;
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person.attachment.person_id = 60;
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person.attachment.created_date.FromTime(t);
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person.attachment.name = L"attachment name";
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person.attachment.content = "long binary content";
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@ -99,7 +100,7 @@ private:
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person.attachment.set_save_mode(Model::DO_INSERT_ON_SAVE);
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//person.attachment.set_save_mode(Model::DO_UPDATE_ON_SAVE);
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person.attachment.language.id = 110;
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person.attachment.language.id = 86;
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person.attachment.language.english_name = L"attachment language";
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person.attachment.language.local_name = L"attachment local name";
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person.attachment.language.code_str = L"loen";
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@ -411,16 +411,41 @@ void Model::generate_remove_query(PT::TextStream & stream, ModelData * model_dat
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}
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bool Model::remove(ModelData * model_data)
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bool Model::remove(ModelData & model_data, bool remove_whole_tree)
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{
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return remove(&model_data);
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}
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bool Model::remove(ModelData * model_data, bool remove_whole_tree)
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{
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ModelEnv model_env_local;
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model_env = &model_env_local;
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model_env->model_data = model_data;
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bool status = remove_tree(remove_whole_tree);
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// what about if an exception was thrown? this pointer will not be null
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model_env = nullptr;
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return status;
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}
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// FIX ME we need to propagage the status from the whole tree, if there is an error somewhere then we should return error from the parent
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bool Model::remove_tree(bool remove_whole_tree)
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{
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bool result = false;
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if( remove_whole_tree )
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{
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model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_REMOVE;
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map_fields();
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}
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if( model_connector )
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{
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ModelEnv model_env_local;
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model_env = &model_env_local;
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model_env->model_data = model_data;
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model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_GENERATING_DB_SQL;
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DbConnector * db_connector = model_connector->get_db_connector();
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@ -435,7 +460,7 @@ bool Model::remove(ModelData * model_data)
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if( result )
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{
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save_mode = DO_INSERT_ON_SAVE;
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save_mode = DO_INSERT_ON_SAVE; // CHECKME may it would be better to set DO_NOTHING_ON_SAVE?
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after_remove();
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}
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else
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@ -443,20 +468,18 @@ bool Model::remove(ModelData * model_data)
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after_remove_failure();
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}
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}
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}
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// what about if an exception was thrown? this pointer will not be null
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model_env = nullptr;
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if( remove_whole_tree )
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{
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model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_REMOVE;
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map_fields();
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}
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return result;
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}
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bool Model::remove(ModelData & model_data)
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{
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return remove(&model_data);
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}
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bool Model::save(ModelData & model_data, bool save_whole_tree)
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@ -486,7 +509,11 @@ bool Model::save_tree(bool save_whole_tree)
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if( save_whole_tree )
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{
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model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_SAVE;
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if( save_mode == DO_DELETE_ON_SAVE )
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model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_SAVE;
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else
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model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_SAVE;
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map_fields();
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}
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@ -495,15 +522,15 @@ bool Model::save_tree(bool save_whole_tree)
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switch( save_mode )
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{
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case DO_DELETE_ON_SAVE:
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result = remove(model_env->model_data);// without the whole tree
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result = remove_tree(false);
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break;
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case DO_INSERT_ON_SAVE:
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result = insert(model_env->model_data, false);
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result = insert_tree(false);
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break;
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case DO_UPDATE_ON_SAVE:
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result = update(model_env->model_data, false);
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result = update_tree(false);
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break;
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case DO_NOTHING_ON_SAVE:
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@ -515,7 +542,11 @@ bool Model::save_tree(bool save_whole_tree)
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if( save_whole_tree )
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{
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model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_SAVE;
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if( save_mode == DO_DELETE_ON_SAVE )
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model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_SAVE;
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else
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model_env->model_connector_mode = MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_SAVE;
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map_fields();
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}
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63
src/model.h
63
src/model.h
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@ -118,8 +118,8 @@ public:
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virtual bool update(ModelData & model_data, bool update_whole_tree = true);
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virtual void generate_remove_query(PT::TextStream & stream, ModelData * model_data = nullptr);
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virtual bool remove(ModelData * model_data = nullptr);
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virtual bool remove(ModelData & model_data);
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virtual bool remove(ModelData * model_data = nullptr, bool remove_whole_tree = true);
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virtual bool remove(ModelData & model_data, bool remove_whole_tree = true);
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virtual bool save(ModelData * model_data = nullptr, bool save_whole_tree = true);
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virtual bool save(ModelData & model_data, bool save_whole_tree = true);
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@ -188,6 +188,7 @@ protected:
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virtual bool insert_tree(bool insert_whole_tree);
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virtual bool update_tree(bool update_whole_tree);
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virtual bool remove_tree(bool remove_whole_tree);
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virtual bool save_tree(bool save_whole_tree);
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virtual void map_values_from_query();
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@ -672,6 +673,8 @@ protected:
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template<typename FieldValue>
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void field_generic(const wchar_t * db_field_name, const wchar_t * flat_field_name, FieldValue & field_value, bool insertable, bool updatable, bool is_primary_key)
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{
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PT::Log * log = model_connector->get_logger();
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if( model_connector && model_env )
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{
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_SET_FIELD_VALUE )
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@ -689,8 +692,13 @@ protected:
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}
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else
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{
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// IMPROVE ME
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// put some log here
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// the log has to be generated by a parent call
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// it should compare model_env->field_index with the number of keys
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// if( log )
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// {
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// // IMPROVE ME a better log message is required
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// (*log) << PT::Log::log1 << "Morm: incorrect number of keys found in model objects" << PT::Log::logend;
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// }
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}
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}
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}
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@ -706,8 +714,12 @@ protected:
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}
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else
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{
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// IMPROVE ME
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// put some log here
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if( log )
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{
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// IMPROVE ME a better log message is required
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// the log can be generated by a parent call
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(*log) << PT::Log::log1 << "Morm: incorrect number of keys found in model objects" << PT::Log::logend;
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}
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}
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}
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@ -1052,49 +1064,44 @@ protected:
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field_model_set_parent_key(db_field_name, flat_field_name, field_model);
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_INSERT && has_foreign_key )
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if( !is_empty_field(db_field_name) )
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{
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if( !is_empty_field(db_field_name) )
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_INSERT && has_foreign_key )
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{
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field_model.insert_tree(true);
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}
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_INSERT && !has_foreign_key )
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{
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if( !is_empty_field(db_field_name) )
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_INSERT && !has_foreign_key )
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{
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field_model.insert_tree(true);
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}
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_UPDATE && has_foreign_key )
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{
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if( !is_empty_field(db_field_name) )
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_UPDATE && has_foreign_key )
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{
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field_model.update_tree(true);
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}
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_UPDATE && !has_foreign_key )
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{
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if( !is_empty_field(db_field_name) )
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_UPDATE && !has_foreign_key )
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{
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field_model.update_tree(true);
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}
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_SAVE && has_foreign_key )
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{
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if( !is_empty_field(db_field_name) )
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_REMOVE && has_foreign_key )
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{
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field_model.remove_tree(true);
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_REMOVE && !has_foreign_key )
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{
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field_model.remove_tree(true);
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_SAVE && has_foreign_key )
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{
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field_model.save_tree(true);
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}
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}
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_SAVE && !has_foreign_key )
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{
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if( !is_empty_field(db_field_name) )
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if( model_env->model_connector_mode == MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_SAVE && !has_foreign_key )
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{
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field_model.save_tree(true);
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}
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@ -71,6 +71,11 @@ void ModelConnector::set_logger(PT::Log & log)
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this->log = &log;
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}
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PT::Log * ModelConnector::get_logger()
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{
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return log;
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}
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void ModelConnector::deallocate_stream()
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@ -62,6 +62,7 @@ public:
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virtual void set_logger(PT::Log * log);
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virtual void set_logger(PT::Log & log);
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virtual PT::Log * get_logger();
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virtual void set_stream(PT::TextStream & stream);
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virtual PT::TextStream * get_stream();
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@ -57,11 +57,14 @@
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#define MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_SAVE 12
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#define MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_SAVE 13
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#define MORM_MODEL_CONNECTOR_MODE_SET_PARENT_ID 14
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#define MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITH_FOREIGN_KEY_AND_REMOVE 14
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#define MORM_MODEL_CONNECTOR_MODE_ITERATE_THROUGH_CHILDS_WITHOUT_FOREIGN_KEY_AND_REMOVE 15
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#define MORM_MODEL_CONNECTOR_MODE_ITERATE_PRIMARY_KEY_VALUES 15
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#define MORM_MODEL_CONNECTOR_MODE_SET_PARENT_ID 16
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#define MORM_MODEL_CONNECTOR_MODE_SET_FIELD_VALUE 16
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#define MORM_MODEL_CONNECTOR_MODE_ITERATE_PRIMARY_KEY_VALUES 17
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#define MORM_MODEL_CONNECTOR_MODE_SET_FIELD_VALUE 18
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@ -90,7 +90,11 @@ public:
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{
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const wchar_t * db_field_name;
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const wchar_t * flat_field_name;
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// IMPROVE ME
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// instead of FieldValueBase can we have only a pointer to void (to the value object) and a pointer to std::type_info?
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FieldValueBase * field_value_base;
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bool auto_remove_field_value_object;
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Item()
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@ -106,6 +110,7 @@ public:
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}
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};
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std::vector<Item> item_tab;
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