godfrey he created FLINK-16881:
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Summary: use Catalog's total size info in planner
Key: FLINK-16881
URL: https://issues.apache.org/jira/browse/FLINK-16881
Project: Flink
Issue Type: New Feature
Components: Table SQL / Planner
Reporter: godfrey he
in some case, {{Catalog}} only contains {{totalSize}} and row count is unknown.
we also can use {{totalSize}} to infer row count, or even use {{totalSize}} to
decide whether the join is broadcast join
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