[Dbix-class] Removing rows older than a given number of minutes ...

[Octavian Rasnita]

From: "Rob Kinyon" <rob.kinyon at gmail.com>

> On Sat, Jan 23, 2010 at 16:28, Kiffin Gish <kiffin.gish at planet.nl> wrote:
>> I want to delete all rows with a given state which have not been
>> modified for a given time in seconds.
>>
>> my @rows = rs->search({ state => $state }, { last_modified => ??? });
>> $_->delete for (@rows);
>>
>> How can I best do this?
>
> $rs->search({
>    state => $state,
>    last_modified => [ "< TIMEDIFF( NOW(), ? SECONDS", $seconds ],
> })->delete_all;
>
> Standard SQL::Abstract stuff, described in both the DBIC cookbook and
> the SQL::Abstract docs.

Is the following SQL

< TIMEDIFF( NOW(), ? SECONDS

a standard SQL code supported by more databases?

Until now I was using SQL codes like

< now() - interval ? second

but I am not sure if the keyword "interval" is used in other databases than 
MySQL.

Thanks.

Octavian