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Posted to dev@kylin.apache.org by "hongbin ma (JIRA)" <ji...@apache.org> on 2017/04/28 06:57:04 UTC

[jira] [Created] (KYLIN-2574) RawQueryLastHacker should group by all possible dimensions

hongbin ma created KYLIN-2574:
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             Summary: RawQueryLastHacker should group by all possible dimensions
                 Key: KYLIN-2574
                 URL: https://issues.apache.org/jira/browse/KYLIN-2574
             Project: Kylin
          Issue Type: Bug
            Reporter: hongbin ma
            Assignee: hongbin ma


currently RawQueryLastHacker make the raw query group by columns existing in query (if (tupleInfo.hasColumn(col))). The approach would fail to leverage limit push down if the existing columns are not a "prefix" of row keys.



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