Split mode stats to its own table

youmubot-db-sql/migrations/20240724031746_move_osu_mode_data_to_own_tables.sql

@@ -0,0 +1,60 @@
+-- Add migration script here
+
+CREATE TABLE osu_user_mode_stats (
+  user_id INT NOT NULL REFERENCES osu_users (user_id),
+  mode INT NOT NULL,
+  pp REAL NOT NULL DEFAULT 0,
+  map_length REAL NOT NULL DEFAULT 0,
+  map_age INT NOT NULL DEFAULT 0,
+  last_update INT NOT NULL,
+  PRIMARY KEY (user_id, mode),
+  CHECK (mode >= 0 AND mode < 4)
+) STRICT;
+
+-- Try to move data to new table
+
+INSERT INTO osu_user_mode_stats (user_id, mode, pp, map_length, last_update)
+  SELECT 
+    u.user_id,
+    0 as mode,
+    u.pp_std as pp,
+    u.std_weighted_map_length as map_length,
+    unixepoch(u.last_update) as last_update
+  FROM osu_users u
+  WHERE u.pp_std IS NOT NULL AND u.std_weighted_map_length IS NOT NULL;
+
+INSERT INTO osu_user_mode_stats (user_id, mode, pp, last_update)
+  SELECT 
+    u.user_id,
+    1 as mode,
+    u.pp_taiko as pp,
+    unixepoch(u.last_update) as last_update
+  FROM osu_users u
+  WHERE u.pp_taiko IS NOT NULL;
+
+INSERT INTO osu_user_mode_stats (user_id, mode, pp, last_update)
+  SELECT 
+    u.user_id,
+    2 as mode,
+    u.pp_catch as pp,
+    unixepoch(u.last_update) as last_update
+  FROM osu_users u
+  WHERE u.pp_catch IS NOT NULL;
+
+INSERT INTO osu_user_mode_stats (user_id, mode, pp, last_update)
+  SELECT 
+    u.user_id,
+    3 as mode,
+    u.pp_mania as pp,
+    unixepoch(u.last_update) as last_update
+  FROM osu_users u
+  WHERE u.pp_mania IS NOT NULL;
+
+-- Clean up old table
+
+ALTER TABLE osu_users DROP COLUMN last_update;
+ALTER TABLE osu_users DROP COLUMN pp_std;
+ALTER TABLE osu_users DROP COLUMN pp_taiko;
+ALTER TABLE osu_users DROP COLUMN pp_catch;
+ALTER TABLE osu_users DROP COLUMN pp_mania;
+ALTER TABLE osu_users DROP COLUMN std_weighted_map_length;