[kylin] branch master updated: KYLIN-3635 Percentile calculation on Spark engine is wrong

[shaofengshi]

This is an automated email from the ASF dual-hosted git repository.

shaofengshi pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/kylin.git


The following commit(s) were added to refs/heads/master by this push:
     new 5a6ff1d  KYLIN-3635 Percentile calculation on Spark engine is wrong
5a6ff1d is described below

commit 5a6ff1d54f004e2e8c1bcaa09e64bebc036df8ef
Author: shaofengshi <shaofeng...@apache.org>
AuthorDate: Thu Oct 18 19:21:16 2018 +0800

    KYLIN-3635 Percentile calculation on Spark engine is wrong
---
 .../org/apache/kylin/measure/percentile/PercentileMeasureType.java   | 5 +++++
 1 file changed, 5 insertions(+)

diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/percentile/PercentileMeasureType.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/percentile/PercentileMeasureType.java
index 44bd213..60b3282 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/percentile/PercentileMeasureType.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/percentile/PercentileMeasureType.java
@@ -82,6 +82,11 @@ public class PercentileMeasureType extends 
MeasureType<PercentileCounter> {
                 }
                 return counter;
             }
+
+            @Override
+            public void reset() {
+                current = new PercentileCounter(dataType.getPrecision());
+            }
         };
     }