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Posted to dev@kylin.apache.org by "hongbin ma (JIRA)" <ji...@apache.org> on 2017/05/09 08:30:04 UTC

[jira] [Created] (KYLIN-2597) Deal with trivial expression in filters like x = 1 + 2

hongbin ma created KYLIN-2597:
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             Summary: Deal with trivial expression in filters like x = 1 + 2
                 Key: KYLIN-2597
                 URL: https://issues.apache.org/jira/browse/KYLIN-2597
             Project: Kylin
          Issue Type: Improvement
            Reporter: hongbin ma
            Assignee: hongbin ma


BI tools will generate trivial expression in filters, e.g "x = 1 + 2". Such expressions will cause kylin to conceive it as "non-evaluateble", which in turn blocks other things like limit push down, or having to choose cuboid with more dimensions, etc.



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