SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 9)
    Identifier x
    Identifier y
    Identifier y.UInt64
    Identifier y.String
    Identifier y.Tuple(a UInt64).a
    Identifier d.String
    Identifier d.UInt64
    Identifier d.Date
    Identifier d.Tuple(a UInt64).a
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier x
