message: more std::move
diff: @@ -56,7 +56,7 @@ void ColumnRefExpression::SetTableName(string table_name) {
  name = std::move(table_name);
  return;
  }
  - column_names.insert(column_names.begin(), move(table_name));
  + column_names.insert(column_names.begin(), std::move(table_name));
  }
  string ColumnRefExpression::GetName() const {
  