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由 Maysam Yabandeh 提交于
Summary: Implement the main body of WritePrepared pseudo code. This includes PrepareInternal and CommitInternal, as well as AddCommitted which updates the commit map. It also provides a IsInSnapshot method that could be later called form the read path to decide if a version is in the read snapshot or it should other be skipped. This patch lacks unit tests and does not attempt to offer an efficient implementation. The idea is that to have the API specified so that we can work on related tasks in parallel. Closes https://github.com/facebook/rocksdb/pull/2713 Differential Revision: D5640021 Pulled By: maysamyabandeh fbshipit-source-id: bfa7a05e8d8498811fab714ce4b9c21530514e1c
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