mahesh kumar behera created HIVE-23992:
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             Summary: Support null filter within or clause for Anti Join
                 Key: HIVE-23992
                 URL: https://issues.apache.org/jira/browse/HIVE-23992
             Project: Hive
          Issue Type: Bug
            Reporter: mahesh kumar behera
            Assignee: mahesh kumar behera


The current anti join conversion does not support join condition which is 
always true. The queries like select * from tbl t1 where not exists (select 1 
from t2) is not converted to anti join.



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