message: fix(Parser): aggregate with *
diff: @@ -371,7 +371,10 @@ void QueryParser::parseSelectAggregateFunction(SPARQLParser::ExpressionContext *
  proj_var.aggregate_type = QueryTree::ProjectionVar::Avg_type;
  else if (tmp == "SUM")
  proj_var.aggregate_type = QueryTree::ProjectionVar::Sum_type;
  + if (aggCtx->expression())
  proj_var.aggregate_var = aggCtx->expression()->getText(); // Error would have been dealt with
  + else
  + proj_var.aggregate_var = "*";
  tmp = aggCtx->children[2]->getText();
  transform(tmp.begin(), tmp.end(), tmp.begin(), ::toupper);
  proj_var.distinct = aggCtx->children[2]->children.size() == 0 && tmp == "DISTINCT";
  