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rkaneko/convert_featurecollection_into_multipolygon.sql

Created January 12, 2023 02:10
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PostGIS query to convert FeatureCollection GeoJSON into MultiPolygon GeoJSON
Raw
convert_featurecollection_into_multipolygon.sql
WITH original AS (
SELECT
ST_Collect(ST_ShiftLongitude(ST_GeomFromGeoJSON(feat->>'geometry'))) geom
FROM (SELECT json_array_elements('HERE_IS_FEATURE_COLLECTION_GEOJSON'::json->'features') AS feat) AS f
)
SELECT ST_AsGeoJSON(o.geom) FROM original o LIMIT 1;
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