Shohei Okumiya created HIVE-28818:
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Summary: Partition-Aware Optimization with Iceberg's time travel
Key: HIVE-28818
URL: https://issues.apache.org/jira/browse/HIVE-28818
Project: Hive
Issue Type: Improvement
Components: Iceberg integration
Reporter: Shohei Okumiya
The current implementation is triggered when the "metadata.json" of an Iceberg
table retains exactly one partition spec. We introduced the limitation because
it is not trivial to apply Bucket Map Join when partition specifications have
evolved.
However, the restriction is too strict because the "metadata.json" is top-level
metadata that includes the partition specs of all snapshots. This ticket would
gather partition specs tied to only a related snapshot.
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