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nic pushed a commit to branch 3.0.x
in repository https://gitbox.apache.org/repos/asf/kylin.git

commit ceefc82a01a0051792cf00d53364f92f6a25eab6
Author: nichunen <[email protected]>
AuthorDate: Thu Jan 16 18:09:29 2020 +0800

    Fix equals method does not inspect argument type
---
 .../main/java/org/apache/kylin/metadata/model/TableExtDesc.java    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git 
a/core-metadata/src/main/java/org/apache/kylin/metadata/model/TableExtDesc.java 
b/core-metadata/src/main/java/org/apache/kylin/metadata/model/TableExtDesc.java
index 0890e42..7e9e8d0 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/metadata/model/TableExtDesc.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/metadata/model/TableExtDesc.java
@@ -228,7 +228,12 @@ public class TableExtDesc extends RootPersistentEntity {
     public boolean equals(Object o) {
         if (this == o)
             return true;
-        return false;
+        if (o == null || getClass() != o.getClass())
+            return false;
+
+        TableExtDesc tableExtDesc = (TableExtDesc) o;
+
+        return getResourcePath().equals(tableExtDesc.getResourcePath());
     }
 
     @Override

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