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Posted to dev@kylin.apache.org by "Roger Shi (JIRA)" <ji...@apache.org> on 2017/06/06 10:27:18 UTC
[jira] [Created] (KYLIN-2657) Cube merge TopN dictionary not found,
cause NPE
Roger Shi created KYLIN-2657:
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Summary: Cube merge TopN dictionary not found, cause NPE
Key: KYLIN-2657
URL: https://issues.apache.org/jira/browse/KYLIN-2657
Project: Kylin
Issue Type: Bug
Reporter: Roger Shi
Assignee: Roger Shi
One TopN measure with two group-by columns, and both of them are in fact table. If one cardinality is high and the other is low, merging Cube may fail for NPE (dict not found).
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