SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (alias tbl) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Identifier number
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (children 1)
              ExpressionList (children 1)
               Literal UInt64_10
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier t_subcolumns_join
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier number
        Identifier id
   Function isNull (children 1)
    ExpressionList (children 1)
     Identifier id
   Set
