[jira] [Created] (HAWQ-1757) add comment to vseg_to_splits_map

[Zongtian Hou (Jira)]

Zongtian Hou created HAWQ-1757:
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             Summary: add comment to vseg_to_splits_map
                 Key: HAWQ-1757
                 URL: https://issues.apache.org/jira/browse/HAWQ-1757
             Project: Apache HAWQ
          Issue Type: Improvement
          Components: Planner
            Reporter: Zongtian Hou
            Assignee: Radar Da Lei


key is global host Index, value is list of virtual segment id. this map is key 
to calculate datalocality of virtual segments.



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