운영 서버에서 DB index 적용 작업 진행

- 01~07 작업 문서를 운영 측정값 기준으로 정리 (문서의 DB 비밀번호 삭제)
- app_highest_record 중복 8,795행 점수 기준 정리, 인덱스 5개 + UNIQUE 키 2개 추가
- 02·04 공통 측정 스크립트와 측정 결과, comparison.txt 추가
- 서버 처리 시간 18~292배 단축, 결과 행 수 동일
- 운영 데이터 백업과 권한(비밀번호 해시) 파일은 커밋에서 제외

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

doc/plan/db/260915-improve-production/result/queries/q1_hour_func.sql

@@ -0,0 +1,6 @@
+SELECT SQL_NO_CACHE PlayerID, BestRecord, RecordDateTime
+FROM best_record
+WHERE MaestroID = @maestro AND AppID = @app
+  AND DATE(RecordDateTime) = @day
+  AND HOUR(RecordDateTime) = @hour
+ORDER BY RecordDateTime, PlayerID;

doc/plan/db/260915-improve-production/result/queries/q2_hour_range.sql

@@ -0,0 +1,6 @@
+SELECT SQL_NO_CACHE PlayerID, BestRecord, RecordDateTime
+FROM best_record
+WHERE MaestroID = @maestro AND AppID = @app
+  AND RecordDateTime >= CAST(@day AS DATETIME) + INTERVAL @hour HOUR
+  AND RecordDateTime <  CAST(@day AS DATETIME) + INTERVAL (@hour + 1) HOUR
+ORDER BY RecordDateTime, PlayerID;

doc/plan/db/260915-improve-production/result/queries/q3_day_func.sql

@@ -0,0 +1,8 @@
+SELECT SQL_NO_CACHE PlayerID, MAX(BestRecord) AS HighScore
+FROM best_record
+WHERE MaestroID = @maestro AND AppID = @app
+  AND YEAR(RecordDateTime) = YEAR(@day)
+  AND MONTH(RecordDateTime) = MONTH(@day)
+  AND DAYOFMONTH(RecordDateTime) = DAYOFMONTH(@day)
+GROUP BY PlayerID
+ORDER BY HighScore DESC, PlayerID;

doc/plan/db/260915-improve-production/result/queries/q4_day_range.sql

@@ -0,0 +1,7 @@
+SELECT SQL_NO_CACHE PlayerID, MAX(BestRecord) AS HighScore
+FROM best_record
+WHERE MaestroID = @maestro AND AppID = @app
+  AND RecordDateTime >= CAST(@day AS DATETIME)
+  AND RecordDateTime <  CAST(@day AS DATETIME) + INTERVAL 1 DAY
+GROUP BY PlayerID
+ORDER BY HighScore DESC, PlayerID;

doc/plan/db/260915-improve-production/result/queries/q5_month_func.sql

@@ -0,0 +1,7 @@
+SELECT SQL_NO_CACHE PlayerID, MAX(BestRecord) AS HighScore
+FROM best_record
+WHERE MaestroID = @maestro AND AppID = @app
+  AND YEAR(RecordDateTime) = YEAR(@day)
+  AND MONTH(RecordDateTime) = MONTH(@day)
+GROUP BY PlayerID
+ORDER BY HighScore DESC, PlayerID;

doc/plan/db/260915-improve-production/result/queries/q6_month_range.sql

@@ -0,0 +1,7 @@
+SELECT SQL_NO_CACHE PlayerID, MAX(BestRecord) AS HighScore
+FROM best_record
+WHERE MaestroID = @maestro AND AppID = @app
+  AND RecordDateTime >= CAST(DATE_FORMAT(@day, '%Y-%m-01') AS DATETIME)
+  AND RecordDateTime <  CAST(DATE_FORMAT(@day, '%Y-%m-01') AS DATETIME) + INTERVAL 1 MONTH
+GROUP BY PlayerID
+ORDER BY HighScore DESC, PlayerID;