jisangs
03eea2098e
- 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>
48 lines
1.5 KiB
Plaintext
48 lines
1.5 KiB
Plaintext
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DELETE AHR FROM app_highest_record AHR
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JOIN (
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SELECT AppHighestRecordID FROM (
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SELECT AppHighestRecordID,
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ROW_NUMBER() OVER (
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PARTITION BY MaestroID, PlayerID, AppID
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ORDER BY CASE WHEN AppID = 105 THEN HighestRecord ELSE -HighestRecord END,
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AppHighestRecordID DESC
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) AS rn
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FROM app_highest_record
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) ranked
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WHERE rn > 1
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) dup ON dup.AppHighestRecordID = AHR.AppHighestRecordID
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Query OK, 8795 rows affected (0.942 sec)
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SELECT 'app_highest_record' AS table_name,
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COUNT(*) AS total_rows,
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COUNT(DISTINCT MaestroID, PlayerID, AppID) AS unique_combos
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FROM app_highest_record
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+--------------------+------------+---------------+
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| table_name | total_rows | unique_combos |
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+--------------------+------------+---------------+
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| app_highest_record | 220648 | 220648 |
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+--------------------+------------+---------------+
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1 row in set (0.190 sec)
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SELECT 'typing_exam_highest_record' AS table_name,
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COUNT(*) AS total_rows,
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COUNT(DISTINCT MaestroID, PlayerID, WritingID) AS unique_combos
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FROM typing_exam_highest_record
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--------------
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+----------------------------+------------+---------------+
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| table_name | total_rows | unique_combos |
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+----------------------------+------------+---------------+
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| typing_exam_highest_record | 20413 | 20413 |
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+----------------------------+------------+---------------+
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1 row in set (0.024 sec)
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Bye
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