====== replace ======
~~NOTOC~~
<WRAP right box>
  bool replace()
</WRAP>
===== Description =====
ADOdb supports replace functionality, whereby the record is inserted if it does not exists, or updated otherwise.
===== Returns =====
The method returns
^Value^Description^
|0|failure|
|1|update|
|2|insert|

===== Usage =====
<code php>
$rec = new ADOdb_Active_Record("product");
$rec->name = 'John';
$rec->tel_no = '34111145';
$ok = $rec->replace();
ADOdb_Active_Record::Load($where)
</code>