Reply to Re: increase MySQL field value by 1? (quickly/easily)

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Posted by Gordon Burditt on 11/22/05 00:16

>> is there a simple (quick) way to increase the value of an integer
>> field in a nominated row by 1 other than first having to retrieve the
>> value and then UPDATE the appropriate field? - similar to doing a
>> $Variable++ in PHP?
>
>Why not use the autoincrement feature of MySql?

Autoincrement doesn't increment a field in an existing row.
It assigns a value to a field in a *NEW* row being inserted.

update hitlog set hitcount = hitcount + 1 where host = 'www.google.com';

Gordon L. Burditt

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