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wriglz/osm_lighthouses.sql

Created November 7, 2023 12:37
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SQL to extract lighthouses from the BigQuery OSM dataset
Raw
osm_lighthouses.sql
SELECT
osm_id,
ST_CENTROID(geometry) AS geom,
(SELECT value FROM UNNEST(all_tags) WHERE key = 'name' ) AS name,
FROM
bigquery-public-data.geo_openstreetmap.planet_features
WHERE
('man_made', 'lighthouse') IN (
SELECT
(key, value)
FROM
UNNEST(all_tags))
);
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