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Posted to dev@hive.apache.org by "Abhay (Jira)" <ji...@apache.org> on 2022/07/23 01:01:00 UTC

[jira] [Created] (HIVE-26426) Handle StringIndexOutOfBoundsException in canCBOHandleAst() method.

Abhay created HIVE-26426:
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             Summary: Handle StringIndexOutOfBoundsException in canCBOHandleAst() method.
                 Key: HIVE-26426
                 URL: https://issues.apache.org/jira/browse/HIVE-26426
             Project: Hive
          Issue Type: Bug
          Components: HiveServer2
            Reporter: Abhay
            Assignee: Abhay


The call to canHandleQbForCbo() can result in an StringIndexOutOfBoundsException. The assumption in the code is that the msg can only be null and we handle that but the msg can also be an empty string if the *verbose* is set to false. This can happen if INFO Logging is not enabled. We need to handle that case.

https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java#L913



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