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 1)
         SelectQuery (children 3)
          ExpressionList (children 3)
           Identifier x
           Function toTypeName (children 1)
            ExpressionList (children 1)
             Identifier x
           Function count (children 1)
            ExpressionList
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Subquery (children 1)
              SelectWithUnionQuery (children 1)
               ExpressionList (children 3)
                SelectQuery (children 1)
                 ExpressionList (children 1)
                  Literal UInt64_1 (alias x)
                SelectQuery (children 1)
                 ExpressionList (children 1)
                  Literal NULL
                SelectQuery (children 1)
                 ExpressionList (children 1)
                  Literal Float64_1
          ExpressionList (children 1)
           Identifier x
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier x
