TudorandClaude Fable 5
de81e9cdbd
These schools are still operating and publish results; they drop out automatically when GIAS flips them to Closed since marts fully rebuild each run. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
36 lines
1.3 KiB
SQL
36 lines
1.3 KiB
SQL
-- Mart: School location dimension — one row per URN, PostGIS-enabled
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-- Geometry derived from GIAS easting/northing (British National Grid → WGS84).
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-- For schools missing easting/northing, the geocode script backfills via Postcodes.io.
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select
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s.urn,
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s.address_line1,
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s.address_line2,
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s.town,
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s.county,
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s.postcode,
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s.local_authority_code,
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s.local_authority_name,
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s.parliamentary_constituency,
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s.urban_rural,
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s.easting,
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s.northing,
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case
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when s.easting is not null and s.northing is not null
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then ST_Transform(ST_SetSRID(ST_MakePoint(s.easting::double precision, s.northing::double precision), 27700), 4326)
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else null
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end as geom,
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case
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when s.easting is not null and s.northing is not null
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then ST_Y(ST_Transform(ST_SetSRID(ST_MakePoint(s.easting::double precision, s.northing::double precision), 27700), 4326))
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else null
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end as latitude,
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case
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when s.easting is not null and s.northing is not null
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then ST_X(ST_Transform(ST_SetSRID(ST_MakePoint(s.easting::double precision, s.northing::double precision), 27700), 4326))
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else null
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end as longitude
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from {{ ref('stg_gias_establishments') }} s
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-- Must match dim_school's status filter exactly (the API inner-joins the two).
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where s.status in ('Open', 'Open, but proposed to close')
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