The table inheritance works mostly

pglablib/ui/catalog/tables/TableNode.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "TableSize.h"
+#include "catalog/PgClass.h"
+
+class TableNode;
+using t_Tables = std::vector<std::shared_ptr<TableNode>>;
+
+
+
+
+class TableNode {
+public:
+    PgClass _class;
+    TableSize sizes;
+
+    int myIndex;
+    std::weak_ptr<TableNode> parent; // hope we do not need it (must be weak to prevent circular reference)
+    t_Tables children;
+
+    TableNode();
+    TableNode(const PgClass &cls);
+
+    const TableNode* getChildPtr(int index) const;
+};