Steve Carlin created IMPALA-14815:
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             Summary: Calcite planner: Unneeded filter field in output expr for 
scan node
                 Key: IMPALA-14815
                 URL: https://issues.apache.org/jira/browse/IMPALA-14815
             Project: IMPALA
          Issue Type: Sub-task
            Reporter: Steve Carlin


In stats-extrapolation.test for the query: 

explain select id from alltypes where month in (1, 2, 3);

The row-size for the scan node is 8B for Calcite.  The month field does not 
need to be in the output expressions.

Note, on a preliminary investigation, it seems that the filter field is not in 
the output exprs all the time.



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