Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/729#discussion_r102868884
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/statistics/AbstractMergedStatistic.java
---
@@ -0,0 +1,52 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.drill.exec.physical.impl.statistics;
+
+import org.apache.drill.exec.vector.ValueVector;
+
+public abstract class AbstractMergedStatistic extends Statistic implements
MergedStatistic {
+ @Override
+ public String getName() {
+ throw new UnsupportedOperationException("getName() not implemented");
+ }
--- End diff --
The classic way to do this is:
```
public abstract String getName();
```
Or, since this is implementing/extending some other class, just leave the
method unimplemented. This way, the compiler will tell you that you forgot to
implement a required method.
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