from weight.pressure_medication
)
select week.week,
- avg(dose_mg) as average_daily_dose
+ sum(dose_mg)/7 as average_daily_dose
from generate_series((select min_week from limits), (select max_week from limits), '7 days') as week
left join weight.pressure_medication on date_trunc('week', week.week) = date_trunc('week', pressure_medication.taken_at)
group by week.week order by week.week);