[GitHub] [calcite] vlsi commented on a change in pull request #1605: [CALCITE-3536] Wrong semantics in CoalesceImplementor

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vlsi commented on a change in pull request #1605: [CALCITE-3536] Wrong semantics in CoalesceImplementor
URL: https://github.com/apache/calcite/pull/1605#discussion_r351141099
 
 

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 File path: core/src/test/java/org/apache/calcite/test/enumerable/AbstractEnumerableTest.java
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 @@ -0,0 +1,37 @@
+/*
+ * 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
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.calcite.test.enumerable;
+
+import org.apache.calcite.adapter.java.ReflectiveSchema;
+import org.apache.calcite.config.CalciteConnectionProperty;
+import org.apache.calcite.config.Lex;
+import org.apache.calcite.test.CalciteAssert;
+
+/**
+ * Abstract base class for other tests for enumerable operators.
+ */
+public class AbstractEnumerableTest {
 
 Review comment:
   `Test` naming would confuse test framework (it would try to find test methods here) as well.
   
   Alternative way to avoid inheritance is to use interface, and use `default` method for `tester`.

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