HeimingZ opened a new pull request, #11459:
URL: https://github.com/apache/iotdb/pull/11459

   Use each bitmaps to genrate null row bitmap, and then use it to skip null 
row.
   Insert:
   <img width="584" alt="截屏2023-11-02 16 52 05" 
src="https://github.com/apache/iotdb/assets/43991780/caa1208e-b103-4fd4-970e-ecb0f15692bf";>
   Delete: 
   <img width="682" alt="截屏2023-11-02 14 32 37" 
src="https://github.com/apache/iotdb/assets/43991780/158cca6d-43c6-47c0-b05d-9b40608d72fc";>
   


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