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[bugfix]fix getAvgSizePerGranularity logic in DerivativeDataSourceManager(materializedview) (#8929)

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* fix getAvgSizePerGranularity in DerivativeDataSourceManager

* revert

* redo
This commit is contained in:
Fangyuan Deng 2019-12-13 09:27:02 +08:00 committed by Jihoon Son
parent 9236dd9467
commit 41f30e53a6
1 changed files with 1 additions and 1 deletions
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extensions-contrib/materialized-view-selection/src/main/java/org/apache/druid/query/materializedview/DerivativeDataSourceManager.java
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@ -246,7 +246,7 @@ public class DerivativeDataSourceManager
return null; return null;
} }
) )
.first(); .list();
return intervals.isEmpty() ? 0L : totalSize / intervals.size(); return intervals.isEmpty() ? 0L : totalSize / intervals.size();
} }
} }