Код: Выделить всё
SELECT *
FROM messages
WHERE dialog_id=2
AND id<7
AND created_at<=\'2014-10-29 21:42:49\'
AND ((from_user_id=1 AND from_deleted=0) OR (to_user_id=1 AND to_deleted=0))
Код: Выделить всё
AND ((from_user_id=1 AND from_deleted=0) OR (to_user_id=1 AND to_deleted=0))