From ca5fe35d8c4b70cdf2279951c7ab3cd411fa38ab Mon Sep 17 00:00:00 2001
From: 151250176 <151250176@smail.nju.edu.cn>
Date: Wed, 28 Aug 2019 14:49:26 +0800
Subject: [PATCH] add license

---
 .../org/apache/iotdb/tsfile/qp/Executor.java  | 18 +++++++++
 .../iotdb/tsfile/qp/QueryProcessor.java       | 18 +++++++++
 .../iotdb/tsfile/qp/common/BasicOperator.java | 38 ++++++++++++++-----
 .../tsfile/qp/common/FilterOperator.java      | 18 +++++++++
 .../iotdb/tsfile/qp/common/Operator.java      | 18 +++++++++
 .../iotdb/tsfile/qp/common/SQLConstant.java   | 18 +++++++++
 .../iotdb/tsfile/qp/common/SingleQuery.java   | 18 +++++++++
 .../iotdb/tsfile/qp/common/TSQueryPlan.java   | 18 +++++++++
 .../qp/exception/BasicOperatorException.java  | 18 +++++++++
 .../qp/exception/DNFOptimizeException.java    | 18 +++++++++
 .../exception/LogicalOptimizeException.java   | 18 +++++++++
 .../qp/exception/MergeFilterException.java    | 18 +++++++++
 .../qp/exception/QueryOperatorException.java  | 18 +++++++++
 .../qp/exception/QueryProcessorException.java | 18 +++++++++
 .../qp/exception/RemoveNotException.java      | 18 +++++++++
 .../qp/optimizer/DNFFilterOptimizer.java      | 18 +++++++++
 .../tsfile/qp/optimizer/IFilterOptimizer.java | 18 +++++++++
 .../optimizer/MergeSingleFilterOptimizer.java | 18 +++++++++
 .../qp/optimizer/PhysicalOptimizer.java       | 18 +++++++++
 .../qp/optimizer/RemoveNotOptimizer.java      | 18 +++++++++
 20 files changed, 370 insertions(+), 10 deletions(-)

diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/Executor.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/Executor.java
index 3f20623ead..cafdc22bb4 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/Executor.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/Executor.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp;
 
 import org.apache.iotdb.tsfile.read.ReadOnlyTsFile;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/QueryProcessor.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/QueryProcessor.java
index 5ad0063f64..1d5eb26b0c 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/QueryProcessor.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/QueryProcessor.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp;
 
 import org.apache.iotdb.tsfile.read.TsFileSequenceReader;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/BasicOperator.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/BasicOperator.java
index 2c0f9fad47..f95dded28c 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/BasicOperator.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/BasicOperator.java
@@ -1,7 +1,25 @@
+/**
+ * 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.iotdb.tsfile.qp.common;
 
 
-import  org.apache.iotdb.tsfile.qp.exception.BasicOperatorException;
+import org.apache.iotdb.tsfile.qp.exception.BasicOperatorException;
 
 /**
  * basic operators include < > >= <= !=.
@@ -13,14 +31,6 @@ public class BasicOperator extends FilterOperator {
     private String seriesPath;
     private String seriesValue;
 
-    public String getSeriesPath() {
-        return seriesPath;
-    }
-
-    public String getSeriesValue() {
-        return seriesValue;
-    }
-
     public BasicOperator(int tokenIntType, String path, String value) {
         super(tokenIntType);
         this.seriesPath = this.singlePath = path;
@@ -29,6 +39,14 @@ public class BasicOperator extends FilterOperator {
         this.isSingle = true;
     }
 
+    public String getSeriesPath() {
+        return seriesPath;
+    }
+
+    public String getSeriesValue() {
+        return seriesValue;
+    }
+
     public void setReversedTokenIntType() throws BasicOperatorException {
         int intType = SQLConstant.reverseWords.get(tokenIntType);
         setTokenIntType(intType);
@@ -44,7 +62,7 @@ public class BasicOperator extends FilterOperator {
     public BasicOperator clone() {
         BasicOperator ret;
         ret = new BasicOperator(this.tokenIntType, seriesPath, seriesValue);
-        ret.tokenSymbol=tokenSymbol;
+        ret.tokenSymbol = tokenSymbol;
         ret.isLeaf = isLeaf;
         ret.isSingle = isSingle;
         return ret;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/FilterOperator.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/FilterOperator.java
index 5f52e57985..a16d81cfe4 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/FilterOperator.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/FilterOperator.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.common;
 
 import org.apache.iotdb.tsfile.utils.StringContainer;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/Operator.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/Operator.java
index 4775d55dc6..4253a304f6 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/Operator.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/Operator.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.common;
 
 /**
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SQLConstant.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SQLConstant.java
index 683e909382..4ee0e470e0 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SQLConstant.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SQLConstant.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.common;
 
 import java.util.HashMap;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SingleQuery.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SingleQuery.java
index 8aaba1d4a9..595a557858 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SingleQuery.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SingleQuery.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.common;
 
 
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/TSQueryPlan.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/TSQueryPlan.java
index 36cd2a8901..055e2656c9 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/TSQueryPlan.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/TSQueryPlan.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.common;
 
 import java.util.ArrayList;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/BasicOperatorException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/BasicOperatorException.java
index 7e54f5d984..e5ba02fa8a 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/BasicOperatorException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/BasicOperatorException.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.exception;
 
 
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/DNFOptimizeException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/DNFOptimizeException.java
index b3e252cd2d..dbe2091dae 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/DNFOptimizeException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/DNFOptimizeException.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.exception;
 
 
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/LogicalOptimizeException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/LogicalOptimizeException.java
index 4e1faa99cc..8a43d5de93 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/LogicalOptimizeException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/LogicalOptimizeException.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.exception;
 
 /**
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/MergeFilterException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/MergeFilterException.java
index d0b4627b85..79c0b6512b 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/MergeFilterException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/MergeFilterException.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.exception;
 
 
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryOperatorException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryOperatorException.java
index 707d64adc8..08a8559d83 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryOperatorException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryOperatorException.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.exception;
 
 public class QueryOperatorException extends LogicalOptimizeException {
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryProcessorException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryProcessorException.java
index 0490b720be..89d4c75a6b 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryProcessorException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryProcessorException.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.exception;
 
 /**
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/RemoveNotException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/RemoveNotException.java
index 0b13ce1b76..4196b6d76e 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/RemoveNotException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/RemoveNotException.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.exception;
 
 
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/DNFFilterOptimizer.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/DNFFilterOptimizer.java
index abb93494c9..a270cd501a 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/DNFFilterOptimizer.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/DNFFilterOptimizer.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.optimizer;
 
 import org.apache.iotdb.tsfile.qp.common.FilterOperator;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/IFilterOptimizer.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/IFilterOptimizer.java
index 72598d26c7..74f6689fd4 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/IFilterOptimizer.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/IFilterOptimizer.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.optimizer;
 
 import org.apache.iotdb.tsfile.qp.common.FilterOperator;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/MergeSingleFilterOptimizer.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/MergeSingleFilterOptimizer.java
index 1a67769063..641f6ad392 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/MergeSingleFilterOptimizer.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/MergeSingleFilterOptimizer.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.optimizer;
 
 import org.apache.iotdb.tsfile.qp.common.FilterOperator;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/PhysicalOptimizer.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/PhysicalOptimizer.java
index c83af36921..68b64e496e 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/PhysicalOptimizer.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/PhysicalOptimizer.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.optimizer;
 
 import org.apache.iotdb.tsfile.qp.common.*;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/RemoveNotOptimizer.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/RemoveNotOptimizer.java
index 51b19ee247..f76c06a591 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/RemoveNotOptimizer.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/RemoveNotOptimizer.java
@@ -1,3 +1,21 @@
+/**
+ * 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.iotdb.tsfile.qp.optimizer;
 
 
-- 
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