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school_compare/pipeline/transform/models/marts/fact_deprivation.sql
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feat(pipeline): add Meltano + dbt + Airflow ELT pipeline scaffold
Replaces the hand-rolled integrator with a production-grade ELT pipeline
using Meltano (Singer taps), dbt Core (medallion architecture), and
Apache Airflow (orchestration). Adds Typesense for search and PostGIS
for geospatial queries.

- 6 custom Singer taps (GIAS, EES, Ofsted, Parent View, FBIT, IDACI)
- dbt project: 12 staging, 5 intermediate, 12 mart models
- 3 Airflow DAGs (daily/monthly/annual schedules)
- Typesense sync + batch geocoding scripts
- docker-compose: add Airflow, Typesense; upgrade to PostGIS
- Portainer stack definition matching live deployment topology

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-26 08:37:53 +00:00

23 lines
640 B
SQL

-- Mart: Deprivation index — one row per URN
-- Joins school postcode → LSOA → IDACI score
with school_postcodes as (
select
urn,
postcode
from {{ ref('stg_gias_establishments') }}
where status = 'Open'
and postcode is not null
)
-- Note: The join between postcode and LSOA requires a postcode-to-LSOA
-- lookup table. This will be populated by the geocode script or a seed.
-- For now, this model serves as a placeholder that will be completed
-- once the IDACI tap provides the postcode→LSOA mapping.
select
i.lsoa_code,
i.idaci_score,
i.idaci_decile
from {{ ref('stg_idaci') }} i