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oceanbase / miniob

MiniOB is a compact database that assists developers in understanding the fundamental workings of a database.
https://oceanbase.github.io/miniob/
Mulan Permissive Software License, Version 2
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持久化代码合并double write buffer后测试 #377

Closed hnwyllmm closed 4 weeks ago

hnwyllmm commented 4 weeks ago

What problem were solved in this pull request?

Problem: 合并double write buffer代码后，一些单元测试无法测试通过

  1. 主要修复了Bplus tree log测试：当一个frame涉及多个动作时，只重做了第一个动作（这个与dwb无关）；
  2. bplus tree 重做没有unpin frame；
  3. double write buffer 导致数据没有完全写入磁盘，而写入到了共享dwb文件中。