What Is Malloy
Shape Maps
The plugin currently supports US maps. Segment maps take as input 4 columns: start latitude , start longitude, end latitude, and end longitude of the segment. The model and data styles for the subsequent examples are:
source: airports is duckdb.table('../data/airports.parquet') extend { dimension: name is concat(code, ' - ', full_name) measure: airport_count is count() } source: flights is duckdb.table('../data/flights.parquet') extend { join_one: orig is airports on origin = orig.code join_one: dest is airports on destination = dest.code measure: flight_count is count() # segment_map view: routes_map is { group_by: orig.latitude orig.longitude latitude2 is dest.latitude longitude2 is dest.longitude aggregate: flight_count } }
Run as a simple query
Departing from Chicago
run: flights -> routes_map + { where: dep_time = @2003-02 and origin = 'ORD' }[ { "latitude": 41.97, "longitude": -87.9, "latitude2": 33.94, "longitude2": -118.4, "flight_count": 13 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 36.08, "longitude2": -115.15, "flight_count": 12 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 45.58, "longitude2": -122.59, "flight_count": 11 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.04, "longitude2": -84.66, "flight_count": 10 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 47.44, "longitude2": -122.3, "flight_count": 10 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.77, "longitude2": -73.87, "flight_count": 9 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 32.73, "longitude2": -117.18, "flight_count": 8 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 37.61, "longitude2": -122.37, "flight_count": 8 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 38.74, "longitude2": -90.35, "flight_count": 8 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.85, "longitude2": -104.66, "flight_count": 8 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.29, "longitude2": -94.71, "flight_count": 7 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 32.89, "longitude2": -97.03, "flight_count": 7 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.87, "longitude2": -75.24, "flight_count": 6 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 38.85, "longitude2": -77.03, "flight_count": 6 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.69, "longitude2": -74.16, "flight_count": 6 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.36, "longitude2": -71, "flight_count": 5 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 25.79, "longitude2": -80.29, "flight_count": 5 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 33.43, "longitude2": -112, "flight_count": 4 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.49, "longitude2": -80.23, "flight_count": 4 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 26.07, "longitude2": -80.15, "flight_count": 4 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.94, "longitude2": -78.73, "flight_count": 4 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.78, "longitude2": -111.97, "flight_count": 4 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 27.97, "longitude2": -82.53, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.17, "longitude2": -76.66, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.21, "longitude2": -83.34, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 33.82, "longitude2": -116.5, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 30.19, "longitude2": -97.66, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 37.72, "longitude2": -122.22, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.74, "longitude2": -73.8, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 29.98, "longitude2": -95.33, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.93, "longitude2": -71.43, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 41.93, "longitude2": -72.68, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 38.94, "longitude2": -77.45, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 26.53, "longitude2": -81.75, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 38.69, "longitude2": -121.59, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 29.99, "longitude2": -90.25, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.99, "longitude2": -82.89, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 26.68, "longitude2": -80.09, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 41.72, "longitude2": -71.42, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 35.87, "longitude2": -78.78, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 33.67, "longitude2": -117.86, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 37.36, "longitude2": -121.92, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 18.43, "longitude2": -66, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 35.04, "longitude2": -106.6, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 33.64, "longitude2": -84.42, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 44.47, "longitude2": -73.15, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.71, "longitude2": -86.29, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 28.42, "longitude2": -81.31, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 32.11, "longitude2": -110.94, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 36.12, "longitude2": -86.67, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 31.8, "longitude2": -106.37, "flight_count": 1 } ]
SELECT orig_0."latitude" as "latitude", orig_0."longitude" as "longitude", dest_0."latitude" as "latitude2", dest_0."longitude" as "longitude2", COUNT(1) as "flight_count" FROM '../data/flights.parquet' as base LEFT JOIN '../data/airports.parquet' AS dest_0 ON base."destination"=dest_0."code" LEFT JOIN '../data/airports.parquet' AS orig_0 ON base."origin"=orig_0."code" WHERE ((base."dep_time">=TIMESTAMP '2003-02-01 00:00:00') and (base."dep_time"<TIMESTAMP '2003-03-01 00:00:00')) and (base."origin"='ORD') GROUP BY 1,2,3,4 ORDER BY 5 desc NULLS LAST
Run as a trellis
By calling the configured map as a nested query, a trellis is formed.
run: flights -> { where: dep_time = @2003-02 and origin = 'ORD' group_by: carrier aggregate: flight_count nest: routes_map }
[ { "carrier": "UA", "flight_count": 113, "routes_map": [ { "latitude": 41.97, "longitude": -87.9, "latitude2": 33.94, "longitude2": -118.4, "flight_count": 11 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 45.58, "longitude2": -122.59, "flight_count": 9 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 37.61, "longitude2": -122.37, "flight_count": 8 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.77, "longitude2": -73.87, "flight_count": 7 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 38.85, "longitude2": -77.03, "flight_count": 6 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.69, "longitude2": -74.16, "flight_count": 6 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 47.44, "longitude2": -122.3, "flight_count": 5 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.85, "longitude2": -104.66, "flight_count": 5 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.87, "longitude2": -75.24, "flight_count": 5 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 32.73, "longitude2": -117.18, "flight_count": 5 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.94, "longitude2": -78.73, "flight_count": 4 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.29, "longitude2": -94.71, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.49, "longitude2": -80.23, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.36, "longitude2": -71, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 33.43, "longitude2": -112, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 37.72, "longitude2": -122.22, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.78, "longitude2": -111.97, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.74, "longitude2": -73.8, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 27.97, "longitude2": -82.53, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.93, "longitude2": -71.43, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 38.94, "longitude2": -77.45, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 36.08, "longitude2": -115.15, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 38.69, "longitude2": -121.59, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 44.47, "longitude2": -73.15, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 37.36, "longitude2": -121.92, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 18.43, "longitude2": -66, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 25.79, "longitude2": -80.29, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 32.89, "longitude2": -97.03, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 26.07, "longitude2": -80.15, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 29.99, "longitude2": -90.25, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.99, "longitude2": -82.89, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.21, "longitude2": -83.34, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.71, "longitude2": -86.29, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 28.42, "longitude2": -81.31, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 26.53, "longitude2": -81.75, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 33.67, "longitude2": -117.86, "flight_count": 1 } ] }, { "carrier": "AA", "flight_count": 77, "routes_map": [ { "latitude": 41.97, "longitude": -87.9, "latitude2": 36.08, "longitude2": -115.15, "flight_count": 10 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 38.74, "longitude2": -90.35, "flight_count": 8 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 32.89, "longitude2": -97.03, "flight_count": 6 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 47.44, "longitude2": -122.3, "flight_count": 5 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.29, "longitude2": -94.71, "flight_count": 4 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 25.79, "longitude2": -80.29, "flight_count": 4 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.17, "longitude2": -76.66, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.85, "longitude2": -104.66, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 32.73, "longitude2": -117.18, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 30.19, "longitude2": -97.66, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 26.07, "longitude2": -80.15, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 33.82, "longitude2": -116.5, "flight_count": 3 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 33.94, "longitude2": -118.4, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.36, "longitude2": -71, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.77, "longitude2": -73.87, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.78, "longitude2": -111.97, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 41.93, "longitude2": -72.68, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 45.58, "longitude2": -122.59, "flight_count": 2 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 33.43, "longitude2": -112, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 35.87, "longitude2": -78.78, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 26.53, "longitude2": -81.75, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 35.04, "longitude2": -106.6, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 41.72, "longitude2": -71.42, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 36.12, "longitude2": -86.67, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 31.8, "longitude2": -106.37, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 27.97, "longitude2": -82.53, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 26.68, "longitude2": -80.09, "flight_count": 1 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 32.11, "longitude2": -110.94, "flight_count": 1 } ] }, { "carrier": "DL", "flight_count": 11, "routes_map": [ { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.04, "longitude2": -84.66, "flight_count": 10 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 33.64, "longitude2": -84.42, "flight_count": 1 } ] }, { "carrier": "CO", "flight_count": 2, "routes_map": [ { "latitude": 41.97, "longitude": -87.9, "latitude2": 29.98, "longitude2": -95.33, "flight_count": 2 } ] }, { "carrier": "NW", "flight_count": 2, "routes_map": [ { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.21, "longitude2": -83.34, "flight_count": 2 } ] } ]
WITH __stage0 AS ( SELECT group_set, base."carrier" as "carrier__0", CASE WHEN group_set=0 THEN COUNT(1) END as "flight_count__0", CASE WHEN group_set=1 THEN orig_0."latitude" END as "latitude__1", CASE WHEN group_set=1 THEN orig_0."longitude" END as "longitude__1", CASE WHEN group_set=1 THEN dest_0."latitude" END as "latitude2__1", CASE WHEN group_set=1 THEN dest_0."longitude" END as "longitude2__1", CASE WHEN group_set=1 THEN COUNT(1) END as "flight_count__1" FROM '../data/flights.parquet' as base LEFT JOIN '../data/airports.parquet' AS dest_0 ON base."destination"=dest_0."code" LEFT JOIN '../data/airports.parquet' AS orig_0 ON base."origin"=orig_0."code" CROSS JOIN (SELECT UNNEST(GENERATE_SERIES(0,1,1)) as group_set ) as group_set WHERE ((base."dep_time">=TIMESTAMP '2003-02-01 00:00:00') and (base."dep_time"<TIMESTAMP '2003-03-01 00:00:00')) and (base."origin"='ORD') GROUP BY 1,2,4,5,6,7 ) SELECT "carrier__0" as "carrier", MAX(CASE WHEN group_set=0 THEN "flight_count__0" END) as "flight_count", COALESCE(LIST({ "latitude": "latitude__1", "longitude": "longitude__1", "latitude2": "latitude2__1", "longitude2": "longitude2__1", "flight_count": "flight_count__1"} ORDER BY "flight_count__1" desc NULLS LAST) FILTER (WHERE group_set=1),[]) as "routes_map" FROM __stage0 GROUP BY 1 ORDER BY 2 desc NULLS LAST
Run as a trellis, repeated with different filters
run: flights -> { group_by: carrier aggregate: flight_count nest: ord_segment_map is routes_map + { where: origin = 'ORD' } sfo_segment_map is routes_map + { where: origin = 'SFO' } jfk_segment_map is routes_map + { where: origin = 'JFK' } }
[ { "carrier": "WN", "flight_count": 88751, "ord_segment_map": [], "sfo_segment_map": [ { "latitude": 37.61, "longitude": -122.37, "latitude2": 32.73, "longitude2": -117.18, "flight_count": 45 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 33.43, "longitude2": -112, "flight_count": 41 } ], "jfk_segment_map": [] }, { "carrier": "US", "flight_count": 37683, "ord_segment_map": [ { "latitude": 41.97, "longitude": -87.9, "latitude2": 39.87, "longitude2": -75.24, "flight_count": 171 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 35.21, "longitude2": -80.94, "flight_count": 156 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.49, "longitude2": -80.23, "flight_count": 96 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 38.85, "longitude2": -77.03, "flight_count": 79 } ], "sfo_segment_map": [ { "latitude": 37.61, "longitude": -122.37, "latitude2": 35.21, "longitude2": -80.94, "flight_count": 49 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 39.87, "longitude2": -75.24, "flight_count": 44 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 40.49, "longitude2": -80.23, "flight_count": 40 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 39.17, "longitude2": -76.66, "flight_count": 24 } ], "jfk_segment_map": [] }, { "carrier": "AA", "flight_count": 34577, "ord_segment_map": [ { "latitude": 41.97, "longitude": -87.9, "latitude2": 32.89, "longitude2": -97.03, "flight_count": 462 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.77, "longitude2": -73.87, "flight_count": 374 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 32.73, "longitude2": -117.18, "flight_count": 213 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 47.44, "longitude2": -122.3, "flight_count": 202 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 42.36, "longitude2": -71, "flight_count": 179 }, { "latitude": 41.97, "longitude": -87.9, "latitude2": 40.69, "longitude2": -74.16, "flight_count": 176 }, { 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-111.97, "flight_count": 12 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 30.19, "longitude2": -97.66, "flight_count": 10 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 34.2, "longitude2": -118.35, "flight_count": 10 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 25.79, "longitude2": -80.29, "flight_count": 7 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 61.17, "longitude2": -149.99, "flight_count": 6 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 40.63, "longitude2": -73.77, "flight_count": 6 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 44.12, "longitude2": -123.21, "flight_count": 4 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 36.58, "longitude2": -121.84, "flight_count": 3 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 42.37, "longitude2": -122.87, "flight_count": 1 }, { "latitude": 37.61, "longitude": -122.37, "latitude2": 21.31, "longitude2": -157.92, "flight_count": 1 } ], "jfk_segment_map": [ { "latitude": 40.63, "longitude": -73.77, "latitude2": 47.44, "longitude2": -122.3, "flight_count": 15 }, { "latitude": 40.63, "longitude": -73.77, "latitude2": 37.61, "longitude2": -122.37, "flight_count": 6 }, { "latitude": 40.63, "longitude": -73.77, "latitude2": 42.36, "longitude2": -71, "flight_count": 6 }, { "latitude": 40.63, "longitude": -73.77, "latitude2": 33.94, "longitude2": -118.4, "flight_count": 3 }, { "latitude": 40.63, "longitude": -73.77, "latitude2": 18.43, "longitude2": -66, "flight_count": 2 }, { "latitude": 40.63, "longitude": -73.77, "latitude2": 41.97, "longitude2": -87.9, "flight_count": 1 } ] } ]
WITH __stage0 AS ( SELECT group_set, base."carrier" as "carrier__0", CASE WHEN group_set=0 THEN COUNT(1) END as "flight_count__0", CASE WHEN group_set=1 THEN orig_0."latitude" END as "latitude__1", CASE WHEN group_set=1 THEN orig_0."longitude" END as "longitude__1", CASE WHEN group_set=1 THEN dest_0."latitude" END as "latitude2__1", CASE WHEN group_set=1 THEN dest_0."longitude" END as "longitude2__1", CASE WHEN group_set=1 THEN COUNT(1) END as "flight_count__1", CASE WHEN group_set=2 THEN orig_0."latitude" END as "latitude__2", CASE WHEN group_set=2 THEN orig_0."longitude" END as "longitude__2", CASE WHEN group_set=2 THEN dest_0."latitude" END as "latitude2__2", CASE WHEN group_set=2 THEN dest_0."longitude" END as "longitude2__2", CASE WHEN group_set=2 THEN COUNT(1) END as "flight_count__2", CASE WHEN group_set=3 THEN orig_0."latitude" END as "latitude__3", CASE WHEN group_set=3 THEN orig_0."longitude" END as "longitude__3", CASE WHEN group_set=3 THEN dest_0."latitude" END as "latitude2__3", CASE WHEN group_set=3 THEN dest_0."longitude" END as "longitude2__3", CASE WHEN group_set=3 THEN COUNT(1) END as "flight_count__3" FROM '../data/flights.parquet' as base LEFT JOIN '../data/airports.parquet' AS dest_0 ON base."destination"=dest_0."code" LEFT JOIN '../data/airports.parquet' AS orig_0 ON base."origin"=orig_0."code" CROSS JOIN (SELECT UNNEST(GENERATE_SERIES(0,3,1)) as group_set ) as group_set WHERE ((group_set NOT IN (1) OR (group_set IN (1) AND base."origin"='ORD'))) AND ((group_set NOT IN (2) OR (group_set IN (2) AND base."origin"='SFO'))) AND ((group_set NOT IN (3) OR (group_set IN (3) AND base."origin"='JFK'))) GROUP BY 1,2,4,5,6,7,9,10,11,12,14,15,16,17 ) SELECT "carrier__0" as "carrier", MAX(CASE WHEN group_set=0 THEN "flight_count__0" END) as "flight_count", COALESCE(LIST({ "latitude": "latitude__1", "longitude": "longitude__1", "latitude2": "latitude2__1", "longitude2": "longitude2__1", "flight_count": "flight_count__1"} ORDER BY "flight_count__1" desc NULLS LAST) FILTER (WHERE group_set=1),[]) as "ord_segment_map", COALESCE(LIST({ "latitude": "latitude__2", "longitude": "longitude__2", "latitude2": "latitude2__2", "longitude2": "longitude2__2", "flight_count": "flight_count__2"} ORDER BY "flight_count__2" desc NULLS LAST) FILTER (WHERE group_set=2),[]) as "sfo_segment_map", COALESCE(LIST({ "latitude": "latitude__3", "longitude": "longitude__3", "latitude2": "latitude2__3", "longitude2": "longitude2__3", "flight_count": "flight_count__3"} ORDER BY "flight_count__3" desc NULLS LAST) FILTER (WHERE group_set=3),[]) as "jfk_segment_map" FROM __stage0 GROUP BY 1 ORDER BY 2 desc NULLS LAST