SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier col1
    Identifier col2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test2
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier col1
    OrderByElement (children 1)
     Identifier col2