Re: can I do this: update table while selecting data from table?

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?!?!?!?!?!?!



> afan@xxxxxxxx wrote:
>> Am I allowde to do this:
>>
>> $query = mysql_query("SELECT member_id, member_name FROM members");
>> while($result = mysql_fetch_array($query))
>> {
>>   if(empty($result['member_name']))
>>   {
>>     mysql_query("UPDATE members SET member_name = 'N/A' WHERE member_id
>> =
>> ".$result['member_id']."");
>>   }
>> }
>>
>> As far as I know, after "SELECT" query, data are in buffer and I AM able
>> to connect to the same table and do UPDATE, right?
>
> no you'll have to reboot the machine first.
>
>
>
>
>
>
>
>
> seriously though, have you tried it?
>
> that said your [probably] better off just doing 1 query:
>
> 	UPDATE members SET member_name = 'N/A' WHERE member_name = '';
>
> that said your [probably] better off leaving the name empty or setting it
> NULL if
> it's unknown and showing 'N/A' in whatever output screen it's relevant for
> any
> names that are found to be empty.
>
>>
>> Thanks
>>
>> -afan
>>
>
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>

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