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已提交事务 ^6srMaljL

未提交事务 ^CakmBn4V

低水位 ^OgrwRI5K

高水位 ^hMHIbDtA

活跃中的事务 99,105,107 ^YhYCiBOu

已提交 100 ^nEFHJvGu

未提交 99,105,107 ^DgV0ba93

在当前活跃列表中 Read View生成时刻,事务还在活跃,还没Commit, 你修改的数据,我当前事务也是看不见 ^hDzNdp3k

不在当前活跃列表中 Read View生成时刻,这个事务已经提交,可见 ^2CnsNN8o

99 ^rNmocsyJ

107 ^bIuvdc8e

  1. 当前事务,自己更新的总是可见
  2. 提交事务可见,未提交事务不可见 ^rMVM7CfG

%%

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