2026年初，一项沉睡了20年的数据库技术专利悄然到期，给开源社区带来了前所未有的机遇。这项名为Orasort的算法，曾是Oracle数据库的“秘密武器”，让其性能暴涨5倍。数据库专家Mark Callaghan将其誉为“解决相似数据排序痛点的钥匙”。如今，随着专利壁垒的崩溃，MySQL、PostgreSQL等开源数据库即将合法使用这项“神级算法”，数据处理效率或将迎来重大的变革。

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近日，一篇文章披露，Oracle 公司一项关于高速排序方法的 专利已经到期，这意味着开源数据库可以自由使用这一算法。该排序算法的发明者 Mark Callaghan 指出，这种诞生于 20 ...