SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (alias t1) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function materialize (alias a) (children 1)
            ExpressionList (children 1)
             Literal UInt64_42
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (alias t2) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function materialize (alias a) (children 1)
            ExpressionList (children 1)
             Literal UInt64_1
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Function in (children 1)
         ExpressionList (children 2)
          Identifier t1.a
          Subquery (children 1)
           SelectWithUnionQuery (children 1)
            ExpressionList (children 1)
             SelectQuery (children 1)
              ExpressionList (children 1)
               Literal UInt64_42
        Identifier t2.a
