SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 2)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function tuple (alias a) (children 1)
            ExpressionList (children 1)
             Function materialize (children 1)
              ExpressionList (children 1)
               Literal UInt64_0
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function tuple (alias a) (children 1)
            ExpressionList (children 1)
             Literal UInt64_0
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier a