weizhengte opened a new pull request, #18971:
URL: https://github.com/apache/doris/pull/18971

   # Proposed changes
   
   This pr mainly optimizes the following items:
   - the collection of statistics: clear up invalid historical statistics 
before collecting them, so as not to affect the final table statistics.
   - the incremental collection of statistics: in the case of incremental 
collection, only the corresponding partition statistics need to be collected.
   
   TODO: Supports incremental collection of materialized view statistics.
   
   Issue Number: close #xxx
   
   ## Problem summary
   
   Describe your changes.
   
   ## Checklist(Required)
   
   * [ ] Does it affect the original behavior
   * [ ] Has unit tests been added
   * [ ] Has document been added or modified
   * [ ] Does it need to update dependencies
   * [ ] Is this PR support rollback (If NO, please explain WHY)
   
   ## Further comments
   
   If this is a relatively large or complex change, kick off the discussion at 
[[email protected]](mailto:[email protected]) by explaining why you 
chose the solution you did and what alternatives you considered, etc...
   
   


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