SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 7)
    Identifier x
    Identifier y
    Identifier d1
    Identifier d1.String
    Identifier d1.UInt64
    Identifier d1.Date
    Identifier d1.Tuple(a UInt64).a
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier x
