Basic support for update in Crud implementation, error reporting and transfering data to modified set is still missing.

pglablib/QueryGenerator.cpp

@@ -0,0 +1,22 @@
+#include "QueryGenerator.h"
+#include "PgDatabaseCatalog.h"
+#include "PgClass.h"
+#include "PgNamespace.h"
+#include "PgNamespaceContainer.h"
+
+using namespace Querygen;
+
+QueryGeneratorFactory::QueryGeneratorFactory(std::shared_ptr<PgDatabaseCatalog> catalog)
+	: m_catalog(catalog)
+{}
+
+UpdatePtr QueryGeneratorFactory::update(QString ns, QString table_name, QString alias)
+{
+	return std::make_shared<Update>(ns, table_name, alias);
+}
+
+UpdatePtr QueryGeneratorFactory::update(const PgClass &table_class, QString alias)
+{
+	//QString nsname = m_catalog->namespaces()->getByKey(table_class.relnamespace_name)
+	return  update(table_class.relnamespace_name, table_class.name, alias);
+}