SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function anyLastIf (children 1)
     ExpressionList (children 2)
      Identifier n
      Identifier cond
    Function anyLastIf (children 1)
     ExpressionList (children 2)
      Identifier nullable_n
      Identifier cond
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 3)
           Identifier number (alias n)
           Literal NULL (alias cond)
           Function CAST (alias nullable_n) (children 1)
            ExpressionList (children 2)
             Identifier number
             Literal \'Nullable(Int64)\'
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (children 1)
              ExpressionList (children 1)
               Literal UInt64_10000
