Gjallarhorn: Timelapse Mode

tool-gjallarhorn/src/main/resources/queries/player_positions_aggregates.sql

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+WITH
+    unique_player_ids AS (
+        SELECT
+            DISTINCT player
+        FROM heimdall.player_sessions
+    ),
+    player_names AS (
+        SELECT
+               player,
+               (
+                   SELECT name
+                   FROM heimdall.player_sessions
+                   WHERE player = unique_player_ids.player
+                   ORDER BY "end" DESC
+                   LIMIT 1
+               ) AS name
+        FROM unique_player_ids
+    ),
+    unique_world_ids AS (
+      SELECT
+        DISTINCT to_world AS world
+        FROM heimdall.world_changes
+    ),
+    world_names AS (
+        SELECT
+            world,
+               (
+                   SELECT to_world_name
+                   FROM heimdall.world_changes
+                   WHERE world = heimdall.world_changes.to_world
+                   ORDER BY time DESC
+                   LIMIT 1
+                ) AS name
+        FROM unique_world_ids
+    ),
+    player_calculated_positions AS (
+        SELECT
+               player,
+               world,
+               AVG(x) AS avg_x,
+               AVG(y) AS avg_y,
+               AVG(z) AS avg_z,
+               MAX(x) AS max_x,
+               MAX(y) AS max_y,
+               MAX(z) AS max_z,
+               MIN(x) AS min_x,
+               MIN(y) AS min_y,
+               MIN(z) AS min_z,
+               COUNT(*) AS count,
+               MODE() WITHIN GROUP (ORDER BY x) AS mode_x,
+               MODE() WITHIN GROUP (ORDER BY y) AS mode_y,
+               MODE() WITHIN GROUP (ORDER BY z) AS mode_z
+        FROM heimdall.player_positions
+        GROUP BY player, world
+    )
+SELECT
+       player_names.name AS player_name,
+       world_names.name AS world_name,
+       player_calculated_positions.*
+FROM player_calculated_positions
+JOIN player_names
+    ON player_names.player = player_calculated_positions.player
+JOIN world_names
+    ON world_names.world = player_calculated_positions.world