Jason Dere created HIVE-19138:
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Summary: Results cache: allow queries waiting on pending cache
entries to check cache again if pending query fails
Key: HIVE-19138
URL: https://issues.apache.org/jira/browse/HIVE-19138
Project: Hive
Issue Type: Sub-task
Reporter: Jason Dere
Assignee: Jason Dere
HIVE-18846 allows the results cache to refer to currently executing queries so
that another query can wait for these results to become ready in the results
cache. If the pending query fails then Hive will automatically skip the cache
and do the full query compilation. Make a fix here so that if the pending query
fails, Hive will still try to check the cache again in case the cache has
another cached/pending result that can be used to answer the query.
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