SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier x
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 1)
           Function if (alias x) (children 1)
            ExpressionList (children 3)
             Function equals (children 1)
              ExpressionList (children 2)
               Function modulo (children 1)
                ExpressionList (children 2)
                 Identifier number
                 Literal UInt64_5
               Literal UInt64_0
             Literal NULL
             Function if (children 1)
              ExpressionList (children 3)
               Function equals (children 1)
                ExpressionList (children 2)
                 Function modulo (children 1)
                  ExpressionList (children 2)
                   Identifier number
                   Literal UInt64_3
                 Literal UInt64_0
               Literal Float64_nan
               Function toFloat64 (children 1)
                ExpressionList (children 1)
                 Identifier number
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.numbers
          Literal UInt64_10
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier x