SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Literal UInt64_1048575
    Literal NULL
    Identifier b
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (alias js1) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 3)
           Literal \'25.5\' (alias a)
           Literal NULL
           Literal NULL (alias b)
          ExpressionList (children 1)
           ExpressionList (children 1)
            Literal Float64_0.0001
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (alias js2) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 2)
         SelectQuery (children 3)
          ExpressionList (children 2)
           Literal NULL (alias a)
           Literal NULL (alias b)
          Literal NULL
          ExpressionList (children 2)
           Literal NULL
           Literal Int64_-9223372036854775807
         SelectQuery (children 2)
          ExpressionList (children 2)
           Literal NULL (alias a)
           Literal NULL (alias b)
          ExpressionList (children 2)
           Literal UInt64_1
           Literal \'21474836.46\'
     TableJoin (children 1)
      ExpressionList (children 2)
       Identifier a
       Identifier b
   ExpressionList (children 3)
    OrderByElement (children 1)
     Literal Float64_nan
    OrderByElement (children 1)
     Literal \'9223372036854775807\'
    OrderByElement (children 1)
     Identifier a
