SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier y
    Identifier z
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 5)
          ExpressionList (children 2)
           Identifier a (alias y)
           Identifier b (alias z)
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier optimize_lazy_materialization
          Function greater (children 1)
           ExpressionList (children 2)
            Identifier d
            Literal UInt64_1
          ExpressionList (children 1)
           OrderByElement (children 1)
            Identifier c
          Literal UInt64_3
   ExpressionList (children 1)
    OrderByElement (children 1)
     Function plus (children 1)
      ExpressionList (children 2)
       Identifier y
       Literal UInt64_1
