924060929 commented on PR #31792:
URL: https://github.com/apache/doris/pull/31792#issuecomment-1978677999

   > Is there any improved performance data?
   
   this pr mainly contribute for long sql
   
   |test case|analyze time|
   |----|----|
   |tpc-ds(112 queries)| 150ms -> 100ms|
   |A query with lots of case when and arithmetic operation expressions(sql 
char size: 4MB) | 2s600ms -> 770ms|
   |A query with lots of select columns, nested view, union all, left joins| 
36ms -> 20ms|
   


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