Example SQL Statement
SELECT
SUM(payment.amount) AS value,
COUNT(payment.amount) AS payments
FROM
payment,
pay_method
WHERE
day >= '2014-08-08 00:00:00'
AND
day <= '2014-08-08 23:59:59'
AND
payment.pm_id = pay_method.pm_id
AND
payment.status = 'approved'
AND
pay_method.type in (
'ccard',
'ach',
'paypal',
'mail_in',
'wire',
'google'
);