[+] DB migration for ranking optimization

src/main/resources/db/migration/mariadb/V1000_19__optimization.sql

@@ -0,0 +1,49 @@
+-- Create views to unify some aspects of the user data and playlog tables
+
+DROP VIEW IF EXISTS maimai2_user_playlog_view;
+CREATE VIEW maimai2_user_playlog_view AS
+SELECT
+    *,
+    IF((tap_miss + tap_good + tap_great = 0) AND
+       (hold_miss + hold_good + hold_great = 0) AND
+       (slide_miss + slide_good + slide_great = 0) AND
+       (touch_miss + touch_good + touch_great = 0) AND
+       (break_miss + break_good + break_great = 0), 1, 0) AS is_all_perfect,
+    IF(max_combo = total_combo, 1, 0) AS is_full_combo
+FROM maimai2_user_playlog;
+
+DROP VIEW IF EXISTS maimai2_user_data_view;
+CREATE VIEW maimai2_user_data_view AS
+SELECT * FROM maimai2_user_detail;
+
+DROP VIEW IF EXISTS chusan_user_playlog_view;
+CREATE VIEW chusan_user_playlog_view AS
+SELECT
+    *,
+    score as achievement,
+    is_all_justice as is_all_perfect
+FROM chusan_user_playlog;
+
+DROP VIEW IF EXISTS chusan_user_data_view;
+CREATE VIEW chusan_user_data_view AS
+SELECT *, card_id as aime_card_id FROM chusan_user_data;
+
+DROP VIEW IF EXISTS ongeki_user_playlog_view;
+CREATE VIEW ongeki_user_playlog_view AS
+SELECT
+    *,
+    tech_score as achievement,
+    is_all_break as is_all_perfect
+FROM ongeki_user_playlog;
+
+DROP VIEW IF EXISTS ongeki_user_data_view;
+CREATE VIEW ongeki_user_data_view AS
+SELECT * FROM ongeki_user_data;
+
+DROP VIEW IF EXISTS wacca_user_playlog_view;
+CREATE VIEW wacca_user_playlog_view AS
+SELECT * FROM wacca_user_playlog;
+
+DROP VIEW IF EXISTS wacca_user_data_view;
+CREATE VIEW wacca_user_data_view AS
+SELECT * FROM wacca_user;