SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function LAST_VALUEIf (children 1)
     ExpressionList (children 2)
      Identifier number
      Function and (children 1)
       ExpressionList (children 2)
        Function not (children 1)
         ExpressionList (children 1)
          Function isNull (children 1)
           ExpressionList (children 1)
            Identifier number
        Function greater (children 1)
         ExpressionList (children 2)
          Function assumeNotNull (children 1)
           ExpressionList (children 1)
            Identifier number
          Literal UInt64_5
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Function if (alias number) (children 1)
            ExpressionList (children 3)
             Function less (children 1)
              ExpressionList (children 2)
               Identifier number
               Literal UInt64_2
             Literal NULL
             Identifier number
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (children 1)
              ExpressionList (children 1)
               Literal UInt64_10
