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The following commit(s) were added to refs/heads/master by this push:
     new f52beecbde Add input location for TimeJoinNode (#5585)
f52beecbde is described below

commit f52beecbde687f4cd1d8b56cbd73b4be6eeee507
Author: Jackie Tien <[email protected]>
AuthorDate: Tue Apr 19 17:16:40 2022 +0800

    Add input location for TimeJoinNode (#5585)
---
 .../db/mpp/sql/planner/plan/InputLocation.java     | 39 +++++++++++++++
 .../db/mpp/sql/planner/plan/OutputColumn.java      | 55 ++++++++++++++++++++++
 .../planner/plan/node/process/TimeJoinNode.java    | 10 ++++
 3 files changed, 104 insertions(+)

diff --git 
a/server/src/main/java/org/apache/iotdb/db/mpp/sql/planner/plan/InputLocation.java
 
b/server/src/main/java/org/apache/iotdb/db/mpp/sql/planner/plan/InputLocation.java
new file mode 100644
index 0000000000..705d8cbace
--- /dev/null
+++ 
b/server/src/main/java/org/apache/iotdb/db/mpp/sql/planner/plan/InputLocation.java
@@ -0,0 +1,39 @@
+/*
+ * 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.iotdb.db.mpp.sql.planner.plan;
+
+public class InputLocation {
+  // which input tsblock
+  private final int tsBlockIndex;
+  // which value column of that tsblock
+  private final int valueColumnIndex;
+
+  public InputLocation(int tsBlockIndex, int valueColumnIndex) {
+    this.tsBlockIndex = tsBlockIndex;
+    this.valueColumnIndex = valueColumnIndex;
+  }
+
+  public int getTsBlockIndex() {
+    return tsBlockIndex;
+  }
+
+  public int getValueColumnIndex() {
+    return valueColumnIndex;
+  }
+}
diff --git 
a/server/src/main/java/org/apache/iotdb/db/mpp/sql/planner/plan/OutputColumn.java
 
b/server/src/main/java/org/apache/iotdb/db/mpp/sql/planner/plan/OutputColumn.java
new file mode 100644
index 0000000000..2596619166
--- /dev/null
+++ 
b/server/src/main/java/org/apache/iotdb/db/mpp/sql/planner/plan/OutputColumn.java
@@ -0,0 +1,55 @@
+/*
+ * 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.iotdb.db.mpp.sql.planner.plan;
+
+import com.google.common.collect.ImmutableList;
+
+import java.util.List;
+
+public class OutputColumn {
+
+  // indicate this output column should use which value column of which input 
TsBlock
+  // if overlapped is false, the order in sourceLocations should be in 
ascending timestamp order
+  private final List<InputLocation> sourceLocations;
+
+  // if overlapped is true, it means that sourceLocations.size() > 1 and input 
locations in
+  // sourceLocations are overlapped
+  // it will only happen when we do the load balance and more than one 
DataRegion is assigned to one
+  // time partition
+  private final boolean overlapped;
+
+  /** used for case that this OutputColumn only has one input column */
+  public OutputColumn(InputLocation inputLocation) {
+    this.sourceLocations = ImmutableList.of(inputLocation);
+    this.overlapped = false;
+  }
+
+  public OutputColumn(List<InputLocation> sourceLocations, boolean overlapped) 
{
+    this.sourceLocations = sourceLocations;
+    this.overlapped = overlapped;
+  }
+
+  public List<InputLocation> getSourceLocations() {
+    return sourceLocations;
+  }
+
+  public boolean isOverlapped() {
+    return overlapped;
+  }
+}
diff --git 
a/server/src/main/java/org/apache/iotdb/db/mpp/sql/planner/plan/node/process/TimeJoinNode.java
 
b/server/src/main/java/org/apache/iotdb/db/mpp/sql/planner/plan/node/process/TimeJoinNode.java
index fdda60a311..c4bf1ead41 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/mpp/sql/planner/plan/node/process/TimeJoinNode.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/mpp/sql/planner/plan/node/process/TimeJoinNode.java
@@ -21,6 +21,7 @@ package org.apache.iotdb.db.mpp.sql.planner.plan.node.process;
 import org.apache.iotdb.commons.utils.TestOnly;
 import org.apache.iotdb.db.mpp.common.header.ColumnHeader;
 import org.apache.iotdb.db.mpp.sql.planner.plan.IOutputPlanNode;
+import org.apache.iotdb.db.mpp.sql.planner.plan.OutputColumn;
 import org.apache.iotdb.db.mpp.sql.planner.plan.node.PlanNode;
 import org.apache.iotdb.db.mpp.sql.planner.plan.node.PlanNodeId;
 import org.apache.iotdb.db.mpp.sql.planner.plan.node.PlanNodeType;
@@ -58,6 +59,11 @@ public class TimeJoinNode extends ProcessNode implements 
IOutputPlanNode {
 
   private List<ColumnHeader> columnHeaders = new ArrayList<>();
 
+  // indicate each output column should use which value column of which input 
TsBlock and the
+  // overlapped situation
+  // size of outputColumns must be equal to the size of columnHeaders
+  private List<OutputColumn> outputColumns = new ArrayList<>();
+
   public TimeJoinNode(PlanNodeId id, OrderBy mergeOrder) {
     super(id);
     this.mergeOrder = mergeOrder;
@@ -125,6 +131,10 @@ public class TimeJoinNode extends ProcessNode implements 
IOutputPlanNode {
     }
   }
 
+  public List<OutputColumn> getOutputColumns() {
+    return outputColumns;
+  }
+
   public static TimeJoinNode deserialize(ByteBuffer byteBuffer) {
     OrderBy orderBy = OrderBy.values()[ReadWriteIOUtils.readInt(byteBuffer)];
     FilterNullPolicy filterNullPolicy =

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