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UDP API DEV: Difference between revisions
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That's odd. How come AOM supports different hash-methods? (I know this may not be asked here) And shouldn't the md5sum be unique, too? I mean uniqueness IS the reason for using hash... Well I guess we can handle everything through ed2k though. [[User:Ainawing|Ainawing]] 15:49, 9 July 2007 (GMT+1) | That's odd. How come AOM supports different hash-methods? (I know this may not be asked here) And shouldn't the md5sum be unique, too? I mean uniqueness IS the reason for using hash... Well I guess we can handle everything through ed2k though. [[User:Ainawing|Ainawing]] 15:49, 9 July 2007 (GMT+1) | ||
: Well, the hashes are likely to be unique. However, this is not enforced by AniDB. Whether two distinct files really have the same hash or whether it is just an input error (i.e. wrong c&p) of the submitting user, the result is the same. You're trying to do a lookup for which you expect exactly one result or nothing at all and you end up with multiple results. And yes, most clients do support other hashing methods and also submit such data to anidb. However, internally they are all based on ed2k hashes AFAIK. [[User:Exp|Exp]] 08:52, 10 July 2007 (UTC) | : Well, the hashes are likely to be unique. However, this is not enforced by AniDB. Whether two distinct files really have the same hash or whether it is just an input error (i.e. wrong c&p) of the submitting user, the result is the same. You're trying to do a lookup for which you expect exactly one result or nothing at all and you end up with multiple results. And yes, most clients do support other hashing methods and also submit such data to anidb. However, internally they are all based on ed2k hashes AFAIK. [[User:Exp|Exp]] 08:52, 10 July 2007 (UTC) | ||
:: The real question is: Should we enforce uniqueness? It's not really a problem to implement and shouldn't lead to any problems. We have reports on uniqueness and there are atm 2x2 files with equal md5, which obviously is wrong (if you look at them). Constraints would just mean that DerIdiot doesn't have to go around and fix such entries from time to time. On the other hand, supporting md5 lookup for clients is hardly important and it'll only have a negative impact on performance (although probably unnoticeable). --[[User:Epoximator|Epoximator]] 12:02, 10 July 2007 (UTC) | |||
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