SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (alias s1) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Identifier number (alias key)
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (children 1)
              ExpressionList (children 1)
               Literal UInt64_2
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier dict_flat (alias d)
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier s1.key
        Identifier d.key
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier d.key
