[jira] [Created] (KYLIN-2625) not null filter clause should be evaluable in storage

[hongbin ma (JIRA)]

hongbin ma created KYLIN-2625:
---------------------------------

             Summary: not null filter clause should be evaluable in storage
                 Key: KYLIN-2625
                 URL: https://issues.apache.org/jira/browse/KYLIN-2625
             Project: Kylin
          Issue Type: Bug
            Reporter: hongbin ma
            Assignee: hongbin ma


currently, limit push down is not enabled for queries like 

{code:sql}
select * from (
select * from test_kylin_fact
  where lstg_format_name is not null
  ) limit 20
 
{code}

because "not null" is treated as un-evaluateable.



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