nextdreamblue opened a new pull request, #17735:
URL: https://github.com/apache/doris/pull/17735

   # Proposed changes
   
   Issue Number: close #xxx
   
   ## Problem summary
   
   will get String index out of range exception when use error datetime values 
like '2020-02-01'
   before:
   MySQL [test]> select test121.k1 from test121 where k1 != ('9102-12-');
   ERROR 1105 (HY000): errCode = 2, detailMessage = Unexpected exception: 
String index out of range: 8
   
   after:
   MySQL [test]> select test121.k1 from test121 where k1 = '9102-12-';
   ERROR 1105 (HY000): errCode = 2, detailMessage = Incorrect datetime value: 
'9102-12-' in expression: `k1` = '9102-12-'
   
   ## 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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