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From:Dan Nelson Date:June 16 2004 5:20pm
Subject:Re: Tough Query Problem
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In the last episode (Jun 16), Aaron Clausen said:
> I am trying to write a script that can take logs from our mail
> server, boil down the rejections to determine the sources of
> distributed SMTP dictionary attacks against our mail server.
> Basically I have a table "send_failures like this that gets fed with
> the raw data from the logs:
> host_ip			date
> -------------------------------------------
>		2004-06-03 13:42:22
> And so on and so forth.
> Now it's trivial to write a query to find the pure counting of the
> attacks: However, I also want to have latest date of the attack
> included as well, so that the above exampe would boil down to a query
> with results like this (I'm running MySQL 3.23.58):

Add "MAX(date) as last_attempt_date" to your select field list.

	Dan Nelson
Tough Query ProblemAaron Clausen16 Jun
  • Re: Tough Query ProblemDan Nelson16 Jun
  • Re: Tough Query ProblemA. Clausen16 Jun