Hubert Zhang created HAWQ-239:
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Summary: reduce the call times of GpPolicy to improve performance
on scan empty table
Key: HAWQ-239
URL: https://issues.apache.org/jira/browse/HAWQ-239
Project: Apache HAWQ
Issue Type: Improvement
Components: Core
Reporter: Hubert Zhang
Assignee: Lei Chang
in get_block_locations_and_claculte_table_size(), GpPolicy is called twice for
each relation, we need to reduce it to zero
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