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add calendar descriptives #125

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add calendar descriptives #125

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20 changes: 20 additions & 0 deletions models/build/edfi_3/bld_ef3__calendar_event_summary.sql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
with stg_calendar_events as (
select * from {{ ref('stg_ef3__calendar_dates__calendar_events')}}
),
xwalk_calendar_events as (
select * from {{ ref('xwalk_calendar_events') }}
),
summarize_calendar_events as (
select
stg_calendar_events.tenant_code,
stg_calendar_events.k_calendar_date,
-- if there are multiple events on a day, having at least one
-- that counts as a school day applies to the whole day
sum(xwalk_calendar_events.is_school_day::integer) >= {{ var("edu:attendance:num_school_day_calendar_events", 1) }} as is_school_day,
array_agg(stg_calendar_events.calendar_event) as calendar_events_array
from stg_calendar_events
join xwalk_calendar_events
on stg_calendar_events.calendar_event = xwalk_calendar_events.calendar_event_descriptor
group by all
)
select * from summarize_calendar_events
20 changes: 3 additions & 17 deletions models/core_warehouse/dim_calendar_date.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -11,27 +11,13 @@
with stg_calendar_date as (
select * from {{ ref('stg_ef3__calendar_dates') }}
),
stg_calendar_events as (
select * from {{ ref('stg_ef3__calendar_dates__calendar_events')}}
),

dim_school_calendar as (
select * from {{ ref('dim_school_calendar') }}
),
xwalk_calendar_events as (
select * from {{ ref('xwalk_calendar_events') }}
),
summarize_calendar_events as (
select
stg_calendar_events.k_calendar_date,
-- if there are multiple events on a day, having at least one
-- that counts as a school day applies to the whole day
sum(xwalk_calendar_events.is_school_day::integer) >= {{ var("edu:attendance:num_school_day_calendar_events", 1) }} as is_school_day,
array_agg(stg_calendar_events.calendar_event) as calendar_events_array
from stg_calendar_events
join xwalk_calendar_events
on stg_calendar_events.calendar_event = xwalk_calendar_events.calendar_event_descriptor
group by 1
),
select * from {{ ref('bld_ef3__calendar_event_summary') }}
),
formatted as (
select
stg_calendar_date.k_calendar_date,
Expand Down
26 changes: 25 additions & 1 deletion models/core_warehouse/dim_school_calendar.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,24 @@ calendar_grades as (
dim_school as (
select * from {{ ref('dim_school') }}
),
calendar_event_summary as (
select * from {{ ref('bld_ef3__calendar_event_summary') }}
),
stg_calendar_dates as (
select* from {{ ref('stg_ef3__calendar_dates') }}
),
calendar_descriptives as (
select
calendar_event_summary.k_school_calendar,
min(stg_calendar_dates.calendar_date) as min_calendar_date,
max(stg_calendar_dates.calendar_date) as max_calendar_date,
count(*) as total_school_days
from calendar_event_summary
join stg_calendar_dates
on calendar_event_summary.k_calendar_date = stg_calendar_dates.k_calendar_date
where is_school_day
group by all
)
aggregated_grades as (
select
k_school_calendar,
Expand All @@ -31,12 +49,18 @@ formatted as (
stg_calendar.school_year,
stg_calendar.calendar_code,
stg_calendar.calendar_type,
calendar_descriptives.min_calendar_date,
calendar_descriptives.max_calendar_date,
calendar_descriptives.total_school_days
calendar_descriptives.total_school_days < {{ var('edu:calendar:nonstandard_threshold', 60) }} as is_nonstandard_calendar,
aggregated_grades.applicable_grade_levels_array
from stg_calendar
join dim_school
on stg_calendar.k_school = dim_school.k_school
left join aggregated_grades
on stg_calendar.k_school_calendar = aggregated_grades.k_school_calendar
left join calendar_descriptives
on stg_calendar.k_school_calendar = calendar_descriptives.k_school_calendar
)
select * from formatted
order by tenant_code, k_school, k_school_calendar
order by tenant_code, k_school, k_school_calendar