Sambavi Muthukrishnan created HIVE-3501:
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Summary: Track table and keys used in joins and group bys for
logging
Key: HIVE-3501
URL: https://issues.apache.org/jira/browse/HIVE-3501
Project: Hive
Issue Type: Task
Components: Query Processor
Affects Versions: 0.9.0
Reporter: Sambavi Muthukrishnan
Assignee: Sambavi Muthukrishnan
Priority: Minor
For all operators that could benefit from bucketing, it will be useful to keep
track of and log the table names and key column names in order for the operator
to be converted to the bucketed version. This task is to track this information
for joins and group bys when the keys can be directly mapped back to table
scans and columns on that table. This information will be tracked on the
QueryPlan object so it is available to any pre/post execution hooks for logging.
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