Deduplication of loading logic for catalog data.

pglab/PgContainer.h

@@ -1,15 +1,25 @@
 #ifndef PGCONTAINER_H
 #define PGCONTAINER_H
 
+#include "Pgsql_declare.h"
 #include <QString>
 #include <memory>
 #include <vector>
 #include <libpq-fe.h>
 
+
 class PgDatabaseCatalogue;
 
+class IPgContainter {
+public:
+	virtual ~IPgContainter() = default;
+
+	virtual std::string getLoadQuery() const = 0;
+	virtual void load(const Pgsql::Result &res) = 0;
+};
+
 template<typename T>
-class PgContainer {
+class PgContainer: public IPgContainter {
 public:
 	using t_Container = std::vector<T>; ///< Do not assume it will stay a vector only expect bidirectional access
 
@@ -17,6 +27,7 @@ public:
 		: m_catalogue(cat)
 	{}
 
+
 	typename t_Container::const_iterator begin() const
 	{
 		return m_container.begin();