KYLIN-3165 fix cannot auto merge bug

Signed-off-by: shaofengshi <shaofeng...@apache.org>


Project: http://git-wip-us.apache.org/repos/asf/kylin/repo
Commit: http://git-wip-us.apache.org/repos/asf/kylin/commit/c3d17452
Tree: http://git-wip-us.apache.org/repos/asf/kylin/tree/c3d17452
Diff: http://git-wip-us.apache.org/repos/asf/kylin/diff/c3d17452

Branch: refs/heads/KYLIN-2881-review
Commit: c3d17452a841892d426275fb7ee2f8857ae61914
Parents: a6189a6
Author: yanghao3 <yangh...@xiaomi.com>
Authored: Tue Jan 16 11:20:28 2018 +0800
Committer: shaofengshi <shaofeng...@apache.org>
Committed: Wed Jan 17 18:25:20 2018 +0800

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 core-cube/src/main/java/org/apache/kylin/cube/CubeManager.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/kylin/blob/c3d17452/core-cube/src/main/java/org/apache/kylin/cube/CubeManager.java
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diff --git a/core-cube/src/main/java/org/apache/kylin/cube/CubeManager.java 
b/core-cube/src/main/java/org/apache/kylin/cube/CubeManager.java
index 1fbbbe6..df1d95e 100755
--- a/core-cube/src/main/java/org/apache/kylin/cube/CubeManager.java
+++ b/core-cube/src/main/java/org/apache/kylin/cube/CubeManager.java
@@ -683,8 +683,10 @@ public class CubeManager implements IRealizationProvider {
                 tsRange = null;
                 Preconditions.checkArgument(segRange != null);
             } else {
+                if(tsRange == null) {
+                    tsRange = new TSRange((Long)segRange.start.v, 
(Long)segRange.end.v);
+                }
                 segRange = null;
-                Preconditions.checkArgument(tsRange != null);
             }
 
             CubeSegment newSegment = newSegment(cubeCopy, tsRange, segRange);

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