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https://issues.apache.org/jira/browse/DRILL-4232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17681182#comment-17681182
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ASF GitHub Bot commented on DRILL-4232:
---------------------------------------
Leon-WTF commented on code in PR #2599:
URL: https://github.com/apache/drill/pull/2599#discussion_r1088599209
##########
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/setop/HashSetOpProbeTemplate.java:
##########
@@ -0,0 +1,354 @@
+/*
+ * 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.physical.impl.setop;
+
+import org.apache.calcite.sql.SqlKind;
+import org.apache.drill.exec.exception.SchemaChangeException;
+import org.apache.drill.exec.physical.impl.common.HashPartition;
+import org.apache.drill.exec.physical.impl.join.HashJoinHelper;
+import org.apache.drill.exec.record.BatchSchema;
+import org.apache.drill.exec.record.RecordBatch;
+import org.apache.drill.exec.record.RecordBatch.IterOutcome;
+import org.apache.drill.exec.record.VectorContainer;
+import org.apache.drill.exec.record.VectorWrapper;
+import org.apache.drill.exec.vector.IntVector;
+import org.apache.drill.exec.vector.ValueVector;
+
+import java.util.ArrayList;
+
+import static org.apache.drill.exec.record.JoinBatchMemoryManager.LEFT_INDEX;
+
+public class HashSetOpProbeTemplate implements HashSetOpProbe {
Review Comment:
It's more like HashJoinProbeTemplate, I have refactored it.
> Support for EXCEPT set operator
> -------------------------------
>
> Key: DRILL-4232
> URL: https://issues.apache.org/jira/browse/DRILL-4232
> Project: Apache Drill
> Issue Type: New Feature
> Components: Query Planning & Optimization
> Reporter: Victoria Markman
> Assignee: Tengfei Wang
> Priority: Major
>
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