SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    Identifier a
    Identifier b
    Function ntile (children 1)
     ExpressionList (children 1)
      Literal \'2\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 2)
           Function intDiv (alias a) (children 1)
            ExpressionList (children 2)
             Identifier number
             Literal UInt64_10
           Function modulo (alias b) (children 1)
            ExpressionList (children 2)
             Identifier number
             Literal UInt64_10
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (children 1)
              ExpressionList (children 1)
               Literal UInt64_20
