my $delay = $class->condition_sql_option_integer('delay',
$opt{'driver_name'}); # returns 0 for null
my $as_of = $opt{'time'} . " - ($delay * 86400)"; # in seconds
my $delay = $class->condition_sql_option_integer('delay',
$opt{'driver_name'}); # returns 0 for null
my $as_of = $opt{'time'} . " - ($delay * 86400)"; # in seconds