MySQL如何实现RR隔离级别下的防幻读--关键点间隙锁与MVCC.drawio

<mxfile host="app.diagrams.net" modified="2024-06-18T09:41:52.466Z" agent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0" etag="vnkB7UKun9mCmwc7Ndxu" border="50" scale="3" compressed="false" locked="false" version="24.5.5" type="github">
  <diagram name="Blank" id="YmL12bMKpDGza6XwsDPr">
    <mxGraphModel dx="906" dy="613" grid="0" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="0" pageScale="1" pageWidth="827" pageHeight="1169" background="none" math="1" shadow="0">
      <root>
        <mxCell id="X5NqExCQtvZxIxQ7pmgY-0" />
        <mxCell id="1" parent="X5NqExCQtvZxIxQ7pmgY-0" />
      </root>
    </mxGraphModel>
  </diagram>
</mxfile>