2024-01-26 16:59:03 +08:00
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# Snapshot Read - Memtables and SSTs
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2024-01-28 14:08:08 +08:00
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During the refactor, you might need to change the signature of some functions from `&self` to `self: &Arc<Self>` as necessary.
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2024-01-28 15:17:53 +08:00
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2024-01-28 16:01:40 +08:00
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## Task 1: MemTable, Write-Ahead Log, and Read Path
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2024-01-28 15:17:53 +08:00
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2024-01-28 16:01:40 +08:00
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Memtable store timestamp, change to scan, encode ts in wal
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## Task 2: Write Path
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assign mvcc object, take write lock, increase ts by 1
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## Task 3: MVCC Compaction
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keep all versions
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## Task 4: LSM Iterator
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return the latest version
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