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我想知道,因爲訪問時間很短,即使對於複雜的表達式((playcount = "0" OR lastplay < [1 year ago]) AND rating != "1" AND rating != "2" AND filename NOTHAS "Midis & Modules" AND type = "0"
),基本上它的行爲就像從地圖到文件名一樣,對嗎?什麼樣的數據結構被用來獲得如此快速的訪問?媒體庫如何實現WinAmp?