Answers for "how to do row sum in mysql"

mysql sum with if

SELECT SUM(IF( `column` = 1, `column`, 0)) as total

mysql where sum > 0

SELECT user.id, CONCAT(lastname, firstname), year, month, date FROM user
LEFT JOIN adoption ON user.id = adoption.adopter
GROUP BY user.id
HAVING SUM(CONCAT(year,month,date) = '2016618') = 0