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Posted to issues-all@impala.apache.org by "Vihang Karajgaonkar (JIRA)" <ji...@apache.org> on 2019/08/08 18:32:00 UTC
[jira] [Created] (IMPALA-8847) Add partition events may contain
empty partition object list
Vihang Karajgaonkar created IMPALA-8847:
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Summary: Add partition events may contain empty partition object list
Key: IMPALA-8847
URL: https://issues.apache.org/jira/browse/IMPALA-8847
Project: IMPALA
Issue Type: Bug
Reporter: Vihang Karajgaonkar
Assignee: Vihang Karajgaonkar
When event polling is ON and when an external application like Hive issues a {{alter table <table> add if not exists partition (<partspec>)}} it is possble that command did not add a partition since it is preexisting. However, metastore still generates a ADD_PARTITION event in such a case with empty list of added partitions. Such events cause a Precondition to fail while processing on the EventsProcessor side and event polling goes into error state.
The fix would be simple. Ignore such events.
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