DRILL-7463: Apache license is not added to the generated classes
closes #1916
diff --git a/contrib/storage-hive/core/src/main/codegen/includes/license.ftl b/contrib/storage-hive/core/src/main/codegen/includes/license.ftl
index 9faaa72..cae33a4 100644
--- a/contrib/storage-hive/core/src/main/codegen/includes/license.ftl
+++ b/contrib/storage-hive/core/src/main/codegen/includes/license.ftl
@@ -17,3 +17,20 @@
limitations under the License.
-->
+/*
+ * 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.
+ */
diff --git a/exec/java-exec/src/main/codegen/includes/license.ftl b/exec/java-exec/src/main/codegen/includes/license.ftl
index 9faaa72..cae33a4 100644
--- a/exec/java-exec/src/main/codegen/includes/license.ftl
+++ b/exec/java-exec/src/main/codegen/includes/license.ftl
@@ -17,3 +17,20 @@
limitations under the License.
-->
+/*
+ * 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.
+ */
diff --git a/exec/vector/src/main/codegen/includes/license.ftl b/exec/vector/src/main/codegen/includes/license.ftl
index 9faaa72..cae33a4 100644
--- a/exec/vector/src/main/codegen/includes/license.ftl
+++ b/exec/vector/src/main/codegen/includes/license.ftl
@@ -17,3 +17,20 @@
limitations under the License.
-->
+/*
+ * 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.
+ */
