SPARQL results table now includes all result columns (fixes issue #14)

Author: RinkeHoekstra

src/extension.ts

@@ -970,13 +970,13 @@ export function activate(context: vscode.ExtensionContext) {
 					var data = [];
 
 					if (result.length > 0) {
-						// Iterate over the keys of the first result to obtain the array of variables.
-						for(let v of result[0].keys()){
-							variables.push(v);
-						}
 						for(let r of result){
 							let stringresult = [];
 							for(let v of r.keys()){ // variables are key in the map
+								
+								if (!variables.includes(v)) {
+									variables.push(v);
+								}
 								if (r.get(v).value != undefined) {
 									stringresult.push(r.get(v).value);
 								} else {