SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function count (children 1)
     ExpressionList (children 1)
      Literal UInt64_1
    Function uniqExact (children 1)
     ExpressionList (children 1)
      Identifier n
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 2)
           Function materialize (alias k) (children 1)
            ExpressionList (children 1)
             Literal UInt64_1
           Identifier n
          TablesInSelectQuery (children 2)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (alias nums) (children 1)
              ExpressionList (children 1)
               Literal UInt64_1000
           TablesInSelectQueryElement (children 2)
            TableExpression (children 1)
             Subquery (alias j) (children 1)
              SelectWithUnionQuery (children 1)
               ExpressionList (children 1)
                SelectQuery (children 2)
                 ExpressionList (children 2)
                  Function materialize (alias k) (children 1)
                   ExpressionList (children 1)
                    Literal UInt64_1
                  Identifier number (alias n)
                 TablesInSelectQuery (children 1)
                  TablesInSelectQueryElement (children 1)
                   TableExpression (children 1)
                    Function numbers (children 1)
                     ExpressionList (children 1)
                      Literal UInt64_10000
            TableJoin (children 1)
             ExpressionList (children 1)
              Identifier k
