some work for SELECT statement

git-svn-id: svn://ttmath.org/publicrep/morm/trunk@1077 e52654a7-88a9-db11-a3e9-0013d4bc506e

src/model.cpp

@@ -41,6 +41,7 @@ namespace morm
 Model::Model()
 {
 	model_connector = nullptr;
+	morm_object_exists = false;
 }
 
 Model::~Model()
@@ -57,6 +58,23 @@ void Model::set_connector(ModelConnector & connector)
 	model_connector = &connector;
 }
 
+void Model::set_object_exists(bool object_exists)
+{
+	this->morm_object_exists = object_exists;
+}
+
+
+bool Model::object_exists()
+{
+	return morm_object_exists;
+}
+
+bool Model::found()
+{
+	return morm_object_exists;
+}
+
+
 
 void Model::to_text(PT::TextStream & stream)
 {
@@ -126,5 +144,10 @@ void Model::update()
 }
 
 
+void Model::clear()
+{
+	morm_object_exists = false;
+}
+
 } // namespace