c9e7ad90c6
Minor code cleanup: SQL already returns NULL in the "WHEN" condition if it is not matched by any of the cases. Co-authored-by: Eva Jelinkova <evka.jelinkova@gmail.com>
39 lines
1.1 KiB
SQL
39 lines
1.1 KiB
SQL
DROP MATERIALIZED VIEW IF EXISTS osm_poi_stop_centroid CASCADE;
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CREATE MATERIALIZED VIEW osm_poi_stop_centroid AS (
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SELECT
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uic_ref,
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count(*) as count,
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CASE WHEN count(*) > 2 THEN ST_Centroid(ST_UNION(geometry)) END AS centroid
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FROM osm_poi_point
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WHERE
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nullif(uic_ref, '') IS NOT NULL
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AND subclass IN ('bus_stop', 'bus_station', 'tram_stop', 'subway')
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GROUP BY
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uic_ref
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HAVING
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count(*) > 1
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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DROP MATERIALIZED VIEW IF EXISTS osm_poi_stop_rank CASCADE;
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CREATE MATERIALIZED VIEW osm_poi_stop_rank AS (
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SELECT
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p.osm_id,
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-- p.uic_ref,
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-- p.subclass,
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ROW_NUMBER()
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OVER (
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PARTITION BY p.uic_ref
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ORDER BY
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p.subclass :: public_transport_stop_type NULLS LAST,
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ST_Distance(c.centroid, p.geometry)
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) AS rk
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FROM osm_poi_point p
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INNER JOIN osm_poi_stop_centroid c ON (p.uic_ref = c.uic_ref)
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WHERE
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subclass IN ('bus_stop', 'bus_station', 'tram_stop', 'subway')
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ORDER BY p.uic_ref, rk
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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ALTER TABLE osm_poi_point ADD COLUMN IF NOT EXISTS agg_stop INTEGER DEFAULT NULL;
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SELECT update_osm_poi_point_agg();
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