Zhihua Deng created HIVE-29416:
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Summary: Optimise the extrapolation for min/max in direct sql
aggrStatsUseDB
Key: HIVE-29416
URL: https://issues.apache.org/jira/browse/HIVE-29416
Project: Hive
Issue Type: Improvement
Components: Standalone Metastore
Reporter: Zhihua Deng
Follow the discussion on HIVE-29203, due to PART_NAME is missing in the
partialStatsRows, aggrStatsUseDB tries to find out which partition the min/max
maps to per each column, the same min/max query is executed two times, and
fetches all the matching rows from the database, leaving some room for
optimization.
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