options:
unsigned: true
fields:
-#The score computed at attribution time, the sum of all session score divided by proximity in days (1 for sun-thu, 2 for fri-sat, +1 for high temperature, *-1 for bad weather)/abs(DAY(attribution date - session.date))
-# score:
-# type: float
+ score:
+ type: float
+ nullable: true
+ canceled:
+ type: datetime
+ nullable: true
created:
type: datetime
updated: