morningman opened a new issue #5609:
URL: https://github.com/apache/incubator-doris/issues/5609


   **Describe the bug**
   BE crash with error:
   
   
![image](https://user-images.githubusercontent.com/2899462/113886831-8fc79180-97f3-11eb-894e-17a464c71f05.png)
   
   **To Reproduce**
   
   Hard to reproduce.
   The direct reason is because the read parameters passed by the BE side does 
not contain columns
   related to the deletion conditions, which results in the corresponding 
column iterator being null when
   preparing to filter the data according to the deletion conditions.
   
   The root cause is that the FE side does not correctly set the 
`isPreAggregate` attribute during query planning,
   which causes the BE side to skip the delete condition column by mistake.
   
    - Version [0.14.7]
   
   


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