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https://issues.apache.org/jira/browse/HAWQ-239?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hubert Zhang reassigned HAWQ-239:
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Assignee: Hubert Zhang (was: Lei Chang)
> 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: Hubert Zhang
>
> 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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