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重新绘制二级封锁协议图和 ReadView 图：二级封锁协议中 T2 读取后释放 S 锁（unlock-s）；ReadView 图按正文的三条可见性规则画出事务 ID 的三个区间。

Closes #1176

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CyC2018

2026-10-25 18:51:59 +08:00

parent 385df45164

commit 22bcc60b06

5 changed files with 129 additions and 2 deletions

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notes/pics/lock-protocol-2.png

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