check if the table is already here

structs.go

@@ -37,6 +37,7 @@ type TreeInfo struct {
 	ShowTable    func(*guipb.Table)  // attempt at sending a whole table
 	// NodeI             interface{} // is an interface useful here?
 	// NodeAction   func(*Node, widget.ActionType) // deprecate
+	currentTables []*guipb.Table
 }
 
 type Node struct {

table.go

@@ -42,6 +42,17 @@ func (me *TreeInfo) doTable(a widget.Action) {
 		// }
 		// dumpTable(t)
 		// me.ShowTable(t)
+		log.Info("TREE FOUND TABLE UUID", t.Uuid)
+		for i, ot := range me.currentTables {
+			log.Info("TREE already has UUID", i, ot.Uuid)
+			if t.Uuid == ot.Uuid {
+				log.Info("TREE found UUID! update table here", i, ot.Uuid)
+				log.Info("todo: compare table here...")
+				return
+			}
+		}
+
+		me.currentTables = append(me.currentTables, t)
 		me.makeTable(t)
 	}
 }