Re: [ADMIN] Updating tuples based on max time

6.4 will have the HAVING clause, that will testing of aggregates.

6.4 beta is September 1.

> I keep crashing my backend doing the following
> UPDATE logins SET
>     logoff_time='now'
> WHERE
>     login_time=max(login_time)
> AND
>     account_name='tempuser'
> ;
>
> login_time is type 'datetime'
>
> As a side note, I used this method because the following didn't work
> UPDATE logins SET
>     logoff_time='now'
> WHERE
>     id=(SELECT DISTINCT id FROM logins
>             WHERE
>                 login_time IS NOT NULL
>             AND
>                 account_name='tempuser'
>         )
> ;
>
> Point is, what is the best method to update a record based on it's
> datetime being the most recent?
>
>
>


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