Github user sohami commented on a diff in the pull request:
https://github.com/apache/drill/pull/1223#discussion_r182639747
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/mock/MockLateralJoinPOP.java
---
@@ -0,0 +1,72 @@
+/*
+ * 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.drill.exec.store.mock;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import org.apache.drill.exec.physical.EndpointAffinity;
+import org.apache.drill.exec.physical.base.AbstractStore;
+import org.apache.drill.exec.physical.base.PhysicalOperator;
+import org.apache.drill.exec.physical.base.Store;
+import org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint;
+
+import java.util.Collections;
+import java.util.List;
+
+@JsonTypeName("mock-lj")
+public class MockLateralJoinPOP extends AbstractStore {
--- End diff --
Doesn't look like this class is used anywhere.
---
