More examples, optimization

examples.js

@@ -817,5 +817,39 @@ GROUP BY pos ORDER BY pos WITH FILL FROM 0 TO 1024*1024`,
 SELECT round(r)::UInt8, round(g)::UInt8, round(b)::UInt8, round(a)::UInt8
 FROM {table:Identifier}
 WHERE in_tile AND aircraft_category IN ('C1', 'C2')
+GROUP BY pos ORDER BY pos WITH FILL FROM 0 TO 1024*1024`,
+
+"All Airlines": `WITH
+ bitShiftLeft(1::UInt64, {z:UInt8}) AS zoom_factor,
+ bitShiftLeft(1::UInt64, 32 - {z:UInt8}) AS tile_size,
+
+ tile_size * {x:UInt16} AS tile_x_begin,
+ tile_size * ({x:UInt16} + 1) AS tile_x_end,
+
+ tile_size * {y:UInt16} AS tile_y_begin,
+ tile_size * ({y:UInt16} + 1) AS tile_y_end,
+
+ mercator_x >= tile_x_begin AND mercator_x < tile_x_end
+ AND mercator_y >= tile_y_begin AND mercator_y < tile_y_end AS in_tile,
+
+ bitShiftRight(mercator_x - tile_x_begin, 32 - 10 - {z:UInt8}) AS x,
+ bitShiftRight(mercator_y - tile_y_begin, 32 - 10 - {z:UInt8}) AS y,
+
+ y * 1024 + x AS pos,
+
+ count() AS total,
+ greatest(100000 DIV zoom_factor, count()) AS max_total,
+ pow(total / max_total, 1/5) AS transparency,
+
+ cityHash64(substring(aircraft_flight, 1, 3)) AS hash,
+
+ transparency * 255 AS a,
+ avg(hash MOD 256) AS r,
+ avg(hash DIV 256 MOD 256) AS g,
+ avg(hash DIV 65536 MOD 256) AS b
+
+SELECT round(r)::UInt8, round(g)::UInt8, round(b)::UInt8, round(a)::UInt8
+FROM {table:Identifier}
+WHERE in_tile AND aircraft_flight != '' -- AND aircraft_category = 'A3'
 GROUP BY pos ORDER BY pos WITH FILL FROM 0 TO 1024*1024`
 };

index.html

@@ -195,6 +195,7 @@
  <span>Balloons</span>
  <span>Ground Vehicles</span>
  <span>Elon Musk</span>
+ <span>All Airlines</span>
  </div>
  <div id="stats"></div>
  <div id="map"></div>

setup.sql

@@ -13,7 +13,7 @@ CREATE TABLE planes_mercator
  t LowCardinality(String),
  dbFlags Int32,
  noRegData Bool,
- ownOp String,
+ ownOp LowCardinality(String),
  year UInt16,
  desc LowCardinality(String),
  lat Float64,
@@ -33,19 +33,24 @@ CREATE TABLE planes_mercator
  aircraft_rc Int64,
  aircraft_sda Int64,
  aircraft_sil Int64,
- aircraft_sil_type String,
+ aircraft_sil_type LowCardinality(String),
  aircraft_spi Int64,
  aircraft_track Float64,
  aircraft_type LowCardinality(String),
  aircraft_version Int64,
- aircraft_category String,
- aircraft_emergency String,
- aircraft_flight String,
+ aircraft_category Enum8(
+ 'A0', 'A1', 'A2', 'A3', 'A4', 'A5', 'A6', 'A7',
+ 'B0', 'B1', 'B2', 'B3', 'B4', 'B5', 'B6', 'B7',
+ 'C0', 'C1', 'C2', 'C3', 'C4', 'C5', 'C6', 'C7',
+ 'D0', 'D1', 'D2', 'D3', 'D4', 'D5', 'D6', 'D7',
+ ''),
+ aircraft_emergency Enum8('', 'none', 'general', 'downed', 'lifeguard', 'minfuel', 'nordo', 'unlawful', 'reserved'),
+ aircraft_flight LowCardinality(String),
  aircraft_squawk String,
  aircraft_baro_rate Int64,
  aircraft_nav_altitude_fms Int64,
  aircraft_nav_altitude_mcp Int64,
- aircraft_nav_modes Array(String),
+ aircraft_nav_modes Array(Enum8('althold', 'approach', 'autopilot', 'lnav', 'tcas', 'vnav')),
  aircraft_nav_qnh Float64,
  aircraft_geom_rate Int64,
  aircraft_ias Int64,