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Bugfix member months grain #918

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davidshimamoto wants to merge 3 commits into from
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Bugfix member months grain #918

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7f9206d
Add member_id to the member_months_key grain
davidshimamoto Jun 12, 2025
f431fb6
Null out member_id from member_months. Adjust aggregate so it's at th…
davidshimamoto Jun 13, 2025
381db5f
Linting
davidshimamoto Jun 13, 2025
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24 changes: 15 additions & 9 deletions models/claims_preprocessing/claims_enrollment/claims_enrollment__member_months.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -8,14 +8,17 @@
with stg_eligibility as (
select
person_id
, member_id
, payer
, {{ quote_column('plan') }}
, data_source
, enrollment_start_date
, enrollment_end_date
, tuva_last_run
, min(enrollment_start_date) as min_enrollment_start_date
, max(enrollment_end_date) as max_enrollment_end_date
from {{ ref('normalized_input__eligibility') }} as elig
group by
person_id
, payer
, {{ quote_column('plan') }}
, data_source
)

, month_start_and_end_dates as (
Expand All @@ -27,7 +30,9 @@ with stg_eligibility as (
from {{ ref('reference_data__calendar') }}
group by year, month, year_month
)
select distinct

select
-- Generate a unique key for each member month
dense_rank() over (
order by
a.person_id
Expand All @@ -37,13 +42,14 @@ select distinct
, a.data_source
) as member_month_key
, a.person_id
, a.member_id
-- As a temporary fix, we are nulling out member_id to get to the grain we want.
-- In a future release we will remove this field.
, cast(null as {{ dbt.type_string() }}) as member_id
, b.year_month
, a.payer
, a.{{ quote_column('plan') }}
, a.data_source
, a.tuva_last_run
from stg_eligibility as a
inner join month_start_and_end_dates as b
on a.enrollment_start_date <= b.month_end_date
and a.enrollment_end_date >= b.month_start_date
on a.min_enrollment_start_date <= b.month_end_date
and a.max_enrollment_end_date >= b.month_start_date