36 lines
1.2 KiB
MySQL
36 lines
1.2 KiB
MySQL
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-- The maximum progress a user has on an achievement across all platforms
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CREATE VIEW MaxProgress
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AS
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SELECT UserID, AchievementID, MAX(Progress) AS Progress
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FROM Progress
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GROUP BY UserID, AchievementID
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GO
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-- List of games and users with the number of completed achievements out of the total achievements the user has completed
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CREATE VIEW GameCompletionByUser
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AS
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SELECT UserID, GameID, SUM(CASE WHEN Progress = Stages THEN 1 ELSE 0 END) AS Completed, COUNT(AchievementID) AS Total
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FROM Achievement
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JOIN MaxProgress ON AchievementID = Achievement.ID
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GROUP BY UserID, GameID
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GO
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-- List of achievements and the percentage of people who have completed it
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CREATE VIEW AchievementCompletion
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AS
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SELECT Achievement.ID, (CASE WHEN COUNT(UserID) = 0 THEN NULL ELSE (SUM(CASE WHEN Progress = Stages THEN 1 ELSE 0 END) * 100 / COUNT(UserID)) END) AS Completion
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FROM Achievement
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LEFT JOIN MaxProgress ON AchievementID = Achievement.ID
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GROUP BY Achievement.ID
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GO
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-- List of achievements and their average quality and difficulty ratings filling with null as necessary
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CREATE VIEW AchievementRatings
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AS
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SELECT Achievement.ID, AVG(Quality) AS Quality, AVG(Difficulty) AS Difficulty
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FROM Achievement
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LEFT JOIN Rating ON AchievementID = Achievement.ID
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GROUP BY Achievement.ID
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GO
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