Review Request 32944: DRILL-2714: Exchange should be removed if Drill scans a local system table

[Sean Hsuan-Yi Chu]

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https://reviews.apache.org/r/32944/
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Review request for drill and Jinfeng Ni.


Bugs: DRILL-2714
    https://issues.apache.org/jira/browse/DRILL-2714


Repository: drill-git


Description
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For SystemTable, Enforce Width only if the table is distributed (e.g., 
sys.memoy, sys.drillbits, sys.threads)


Diffs
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exec/java-exec/src/main/java/org/apache/drill/exec/store/sys/SystemTableScan.java
 ce029ce 
  exec/java-exec/src/test/java/org/apache/drill/TestStarQueries.java 5447fa6 

Diff: https://reviews.apache.org/r/32944/diff/


Testing
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QA, unit


Thanks,

Sean Hsuan-Yi Chu