SelectWithUnionQuery (children 3)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Function _CAST (alias NULL) (children 1)
     ExpressionList (children 2)
      Literal NULL
      Literal \'Nullable(Nothing)\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_02709__fuzz_23
   ExpressionList (children 2)
    Identifier t_02709__fuzz_23.sign
    Literal \'1023\'
   ExpressionList (children 2)
    OrderByElement (children 1)
     Literal Float64_nan
    OrderByElement (children 1)
     Function _CAST (children 1)
      ExpressionList (children 2)
       Literal Array_[UInt64_0, NULL, NULL, NULL, NULL]
       Literal \'Array(Nullable(UInt8))\'
 Identifier Null
 Set
