http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillPushLimitToScanRule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillPushLimitToScanRule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillPushLimitToScanRule.java
index 99d51e2..2d33d38 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillPushLimitToScanRule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillPushLimitToScanRule.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.logical;
 
 import com.google.common.collect.ImmutableList;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.java
index 8ef4923..496ac1a 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.logical;
 
 import java.math.BigDecimal;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillRel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillRel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillRel.java
index 9996dfb..2de63ab 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillRel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillRel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillRelFactories.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillRelFactories.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillRelFactories.java
index ce35612..5166dff 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillRelFactories.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillRelFactories.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.logical;
 
 import org.apache.calcite.plan.Contexts;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillScreenRel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillScreenRel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillScreenRel.java
index d26c3b0..aea010b 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillScreenRel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillScreenRel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillViewInfoProvider.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillViewInfoProvider.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillViewInfoProvider.java
index 50e1d8f..e56f85b 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillViewInfoProvider.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillViewInfoProvider.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWindowRel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWindowRel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWindowRel.java
index b49f846..44a1fed 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWindowRel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWindowRel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.logical;
 
 import com.google.common.collect.Lists;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWindowRule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWindowRule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWindowRule.java
index 3c3ac6e..b8eb68e 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWindowRule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWindowRule.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.logical;
 
 import org.apache.calcite.rel.RelNode;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWriterRel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWriterRel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWriterRel.java
index 94de680..06967b8 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWriterRel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillWriterRel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DynamicDrillTable.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DynamicDrillTable.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DynamicDrillTable.java
index a7dad35..e35bff3 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DynamicDrillTable.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DynamicDrillTable.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/EnumerableDrillRule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/EnumerableDrillRule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/EnumerableDrillRule.java
index 87d2493..eabb10a 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/EnumerableDrillRule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/EnumerableDrillRule.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ExprHelper.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ExprHelper.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ExprHelper.java
index 5796839..e1c6f5f 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ExprHelper.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ExprHelper.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ExtendableRelDataType.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ExtendableRelDataType.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ExtendableRelDataType.java
index 5a3526e..f41ad2a 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ExtendableRelDataType.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ExtendableRelDataType.java
@@ -1,10 +1,11 @@
 /*
- * 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
+ * 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
  *

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/RelOptHelper.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/RelOptHelper.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/RelOptHelper.java
index 9c72f21..9a9268e 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/RelOptHelper.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/RelOptHelper.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ScanFieldDeterminer.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ScanFieldDeterminer.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ScanFieldDeterminer.java
index 1178ebd..3be02c8 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ScanFieldDeterminer.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/ScanFieldDeterminer.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/StoragePlugins.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/StoragePlugins.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/StoragePlugins.java
index d8fd11c..d234854 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/StoragePlugins.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/StoragePlugins.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/FindPartitionConditions.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/FindPartitionConditions.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/FindPartitionConditions.java
index 87732c3..957f514 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/FindPartitionConditions.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/FindPartitionConditions.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/ParquetPruneScanRule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/ParquetPruneScanRule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/ParquetPruneScanRule.java
index f5dbb9d..3153b9d 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/ParquetPruneScanRule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/ParquetPruneScanRule.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/RewriteAsBinaryOperators.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/RewriteAsBinaryOperators.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/RewriteAsBinaryOperators.java
index 04ab23e..09da1fa 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/RewriteAsBinaryOperators.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/RewriteAsBinaryOperators.java
@@ -1,20 +1,20 @@
-/**
-  * 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.
-  */
+/*
+ * 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.planner.logical.partition;
 
 import java.util.ArrayList;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/RewriteCombineBinaryOperators.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/RewriteCombineBinaryOperators.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/RewriteCombineBinaryOperators.java
index be818d3..4d74717 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/RewriteCombineBinaryOperators.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/RewriteCombineBinaryOperators.java
@@ -1,20 +1,20 @@
-/**
-  * 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.
-  */
+/*
+ * 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.planner.logical.partition;
 
 import com.google.common.collect.ImmutableList;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/AggPruleBase.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/AggPruleBase.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/AggPruleBase.java
index 6863967..abd5214 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/AggPruleBase.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/AggPruleBase.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import java.util.List;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/BroadcastExchangePrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/BroadcastExchangePrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/BroadcastExchangePrel.java
index 0e87c9b..2c04368 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/BroadcastExchangePrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/BroadcastExchangePrel.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import java.io.IOException;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ComplexToJsonPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ComplexToJsonPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ComplexToJsonPrel.java
index 73817e7..1a96d60 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ComplexToJsonPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ComplexToJsonPrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ConvertCountToDirectScan.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ConvertCountToDirectScan.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ConvertCountToDirectScan.java
index 961816e..62e40a5 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ConvertCountToDirectScan.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ConvertCountToDirectScan.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import java.util.ArrayList;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DirectScanPrule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DirectScanPrule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DirectScanPrule.java
index 5c2fd29..5e64fc6 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DirectScanPrule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DirectScanPrule.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillDistributionTrait.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillDistributionTrait.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillDistributionTrait.java
index c1e241d..d10021c 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillDistributionTrait.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillDistributionTrait.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillDistributionTraitDef.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillDistributionTraitDef.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillDistributionTraitDef.java
index 60f2ebf..94f1b61 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillDistributionTraitDef.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillDistributionTraitDef.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillScanPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillScanPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillScanPrel.java
index ae236c4..0b950d6 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillScanPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/DrillScanPrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ExchangePrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ExchangePrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ExchangePrel.java
index f3f87ba..cf93839 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ExchangePrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ExchangePrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import org.apache.drill.exec.planner.physical.visitor.PrelVisitor;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FilterPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FilterPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FilterPrel.java
index 233adbe..9b7c6bb 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FilterPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FilterPrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import java.io.IOException;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FilterPrule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FilterPrule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FilterPrule.java
index 50b760b..c1ece60 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FilterPrule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FilterPrule.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FlattenPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FlattenPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FlattenPrel.java
index f6a2b7a..4eb1fde 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FlattenPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/FlattenPrel.java
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*
  * 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
@@ -14,7 +14,7 @@
  * 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.planner.physical;
 
 import org.apache.drill.common.expression.LogicalExpression;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/HasDistributionAffinity.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/HasDistributionAffinity.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/HasDistributionAffinity.java
index 42eed19..6c9bd83 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/HasDistributionAffinity.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/HasDistributionAffinity.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -6,9 +6,9 @@
  * 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.

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/HashPrelUtil.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/HashPrelUtil.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/HashPrelUtil.java
index 9c12cc5..9a60e46 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/HashPrelUtil.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/HashPrelUtil.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/JoinPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/JoinPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/JoinPrel.java
index e2f49c9..40ac60e 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/JoinPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/JoinPrel.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import java.util.Iterator;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/JoinPruleBase.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/JoinPruleBase.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/JoinPruleBase.java
index 8b0d69a..751ccb1 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/JoinPruleBase.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/JoinPruleBase.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import java.util.List;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitPrel.java
index 6cfbe2f..baf80d1 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitPrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitPrule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitPrule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitPrule.java
index 4395781..f65c9ad 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitPrule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitPrule.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitUnionExchangeTransposeRule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitUnionExchangeTransposeRule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitUnionExchangeTransposeRule.java
index 25a7ce4..6412357 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitUnionExchangeTransposeRule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/LimitUnionExchangeTransposeRule.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/OrderedMuxExchangePrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/OrderedMuxExchangePrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/OrderedMuxExchangePrel.java
index de9ff25..5672b9f 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/OrderedMuxExchangePrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/OrderedMuxExchangePrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ProducerConsumerPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ProducerConsumerPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ProducerConsumerPrel.java
index 5d5e57a..4d320eb 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ProducerConsumerPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ProducerConsumerPrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ProjectAllowDupPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ProjectAllowDupPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ProjectAllowDupPrel.java
index 3c5c045..8a8e911 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ProjectAllowDupPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ProjectAllowDupPrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import java.io.IOException;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/PushLimitToTopN.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/PushLimitToTopN.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/PushLimitToTopN.java
index cf60612..12f7c3e 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/PushLimitToTopN.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/PushLimitToTopN.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import org.apache.drill.exec.planner.logical.RelOptHelper;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScanPrule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScanPrule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScanPrule.java
index d74edf1..4f66e90 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScanPrule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScanPrule.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScreenPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScreenPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScreenPrel.java
index f2d10d2..047f743 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScreenPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScreenPrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScreenPrule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScreenPrule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScreenPrule.java
index 72e87ad..937c2e5 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScreenPrule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/ScreenPrule.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SelectionVectorRemoverPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SelectionVectorRemoverPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SelectionVectorRemoverPrel.java
index d9dc679..5912619 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SelectionVectorRemoverPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SelectionVectorRemoverPrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SinglePrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SinglePrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SinglePrel.java
index e62d86c..a3190c8 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SinglePrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SinglePrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SortPrule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SortPrule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SortPrule.java
index 4b6d1fb..1f9423c 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SortPrule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/SortPrule.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnionPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnionPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnionPrel.java
index f0440ad..79d5611 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnionPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnionPrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import java.util.Iterator;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnorderedDeMuxExchangePrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnorderedDeMuxExchangePrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnorderedDeMuxExchangePrel.java
index 9f03220..44ba1c7 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnorderedDeMuxExchangePrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnorderedDeMuxExchangePrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import java.io.IOException;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnorderedMuxExchangePrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnorderedMuxExchangePrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnorderedMuxExchangePrel.java
index d08b093..6d11d12 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnorderedMuxExchangePrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/UnorderedMuxExchangePrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import java.io.IOException;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WindowPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WindowPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WindowPrel.java
index bf52366..275dd48 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WindowPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WindowPrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import com.google.common.collect.Lists;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WindowPrule.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WindowPrule.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WindowPrule.java
index 475acec..d41a147 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WindowPrule.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WindowPrule.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical;
 
 import com.google.common.base.Predicate;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WriterPrel.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WriterPrel.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WriterPrel.java
index 513776d..a4f283d 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WriterPrel.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/WriterPrel.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/explain/PrelSequencer.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/explain/PrelSequencer.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/explain/PrelSequencer.java
index afa61e9..88c705a 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/explain/PrelSequencer.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/explain/PrelSequencer.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/BasePrelVisitor.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/BasePrelVisitor.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/BasePrelVisitor.java
index b84b345..02c4709 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/BasePrelVisitor.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/BasePrelVisitor.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/ComplexToJsonPrelVisitor.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/ComplexToJsonPrelVisitor.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/ComplexToJsonPrelVisitor.java
index fc115d9..eb59611 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/ComplexToJsonPrelVisitor.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/ComplexToJsonPrelVisitor.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/FinalColumnReorderer.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/FinalColumnReorderer.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/FinalColumnReorderer.java
index ef738fa..22f812d 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/FinalColumnReorderer.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/FinalColumnReorderer.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/InsertLocalExchangeVisitor.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/InsertLocalExchangeVisitor.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/InsertLocalExchangeVisitor.java
index 3d6e0be..5863f00 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/InsertLocalExchangeVisitor.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/InsertLocalExchangeVisitor.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -7,7 +7,7 @@
  * "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
+ * 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,

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/JoinPrelRenameVisitor.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/JoinPrelRenameVisitor.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/JoinPrelRenameVisitor.java
index 6726f1b..cddac41 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/JoinPrelRenameVisitor.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/JoinPrelRenameVisitor.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical.visitor;
 
 import java.util.List;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/PrelVisitor.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/PrelVisitor.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/PrelVisitor.java
index 0e4d05c..bd81e98 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/PrelVisitor.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/PrelVisitor.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/ProducerConsumerPrelVisitor.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/ProducerConsumerPrelVisitor.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/ProducerConsumerPrelVisitor.java
index 79758f5..b462638 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/ProducerConsumerPrelVisitor.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/ProducerConsumerPrelVisitor.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RelUniqifier.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RelUniqifier.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RelUniqifier.java
index 0bcfba5..334a55c 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RelUniqifier.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RelUniqifier.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RewriteProjectToFlatten.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RewriteProjectToFlatten.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RewriteProjectToFlatten.java
index a5457fe..78bf1c1 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RewriteProjectToFlatten.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RewriteProjectToFlatten.java
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*
  * 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
@@ -14,7 +14,7 @@
  * 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.planner.physical.visitor;
 
 import java.util.ArrayList;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RexVisitorComplexExprSplitter.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RexVisitorComplexExprSplitter.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RexVisitorComplexExprSplitter.java
index 7d4a8e5..c29fe20 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RexVisitorComplexExprSplitter.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/RexVisitorComplexExprSplitter.java
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*
  * 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
@@ -14,7 +14,7 @@
  * 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.planner.physical.visitor;
 
 import java.util.ArrayList;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SelectionVectorPrelVisitor.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SelectionVectorPrelVisitor.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SelectionVectorPrelVisitor.java
index 58e29f0..8282b9b 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SelectionVectorPrelVisitor.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SelectionVectorPrelVisitor.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SplitUpComplexExpressions.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SplitUpComplexExpressions.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SplitUpComplexExpressions.java
index 32241f5..a89d61d 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SplitUpComplexExpressions.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SplitUpComplexExpressions.java
@@ -14,7 +14,7 @@
  * 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.planner.physical.visitor;
 
 import java.util.ArrayList;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.java
index 2ee46f0..6e860cc 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical.visitor;
 
 import java.util.Collections;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SwapHashJoinVisitor.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SwapHashJoinVisitor.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SwapHashJoinVisitor.java
index d84cbb4..d3dd2a8 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SwapHashJoinVisitor.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/SwapHashJoinVisitor.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.physical.visitor;
 
 import com.google.common.collect.Lists;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/TopProjectVisitor.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/TopProjectVisitor.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/TopProjectVisitor.java
index 6b81b70..29a75aa 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/TopProjectVisitor.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/TopProjectVisitor.java
@@ -1,10 +1,11 @@
 /*
- * 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
+ * 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
  *

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/Checker.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/Checker.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/Checker.java
index c130e14..c1bec0f 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/Checker.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/Checker.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillCalciteSqlWrapper.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillCalciteSqlWrapper.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillCalciteSqlWrapper.java
index 8410e67..1fd7b63 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillCalciteSqlWrapper.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillCalciteSqlWrapper.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillExtractConvertlet.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillExtractConvertlet.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillExtractConvertlet.java
index 5a85369..6285756 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillExtractConvertlet.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillExtractConvertlet.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlAggOperator.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlAggOperator.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlAggOperator.java
index 9d7fdce..15d0a2a 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlAggOperator.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlAggOperator.java
@@ -6,9 +6,9 @@
  * 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.

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlAggOperatorWithoutInference.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlAggOperatorWithoutInference.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlAggOperatorWithoutInference.java
index 6e53a56..ca7b5a3 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlAggOperatorWithoutInference.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlAggOperatorWithoutInference.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -6,9 +6,9 @@
  * 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.

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlOperator.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlOperator.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlOperator.java
index a203673..55f9d95 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlOperator.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlOperator.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -6,16 +6,15 @@
  * 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.drill.exec.planner.sql;
 
 import java.util.ArrayList;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlOperatorWithoutInference.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlOperatorWithoutInference.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlOperatorWithoutInference.java
index 52fca5a..1194fd1 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlOperatorWithoutInference.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlOperatorWithoutInference.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -6,9 +6,9 @@
  * 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.

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DynamicReturnType.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DynamicReturnType.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DynamicReturnType.java
index c43a8a2..1720e94 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DynamicReturnType.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DynamicReturnType.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DynamicType.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DynamicType.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DynamicType.java
index 8bd5532..7967ed7 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DynamicType.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DynamicType.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/ExpandingConcurrentMap.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/ExpandingConcurrentMap.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/ExpandingConcurrentMap.java
index 44649b9..9d49596 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/ExpandingConcurrentMap.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/ExpandingConcurrentMap.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/FixedRange.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/FixedRange.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/FixedRange.java
index 1652745..edc4409 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/FixedRange.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/FixedRange.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/QueryInputException.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/QueryInputException.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/QueryInputException.java
index 22727f0..7842e2d 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/QueryInputException.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/QueryInputException.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/AbstractSqlHandler.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/AbstractSqlHandler.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/AbstractSqlHandler.java
index 6ce25a4..9e6180f 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/AbstractSqlHandler.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/AbstractSqlHandler.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/CreateFunctionHandler.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/CreateFunctionHandler.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/CreateFunctionHandler.java
index 526a741..994a4b5 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/CreateFunctionHandler.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/CreateFunctionHandler.java
@@ -6,9 +6,9 @@
  * 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.

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DescribeSchemaHandler.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DescribeSchemaHandler.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DescribeSchemaHandler.java
index b41f880..f97696e 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DescribeSchemaHandler.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DescribeSchemaHandler.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -6,9 +6,9 @@
  * 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.

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DescribeTableHandler.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DescribeTableHandler.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DescribeTableHandler.java
index 4d01424..d96f3e1 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DescribeTableHandler.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DescribeTableHandler.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.drill.exec.planner.sql.handlers;
 
 import static 
org.apache.drill.exec.store.ischema.InfoSchemaConstants.COLS_COL_COLUMN_NAME;

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DropFunctionHandler.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DropFunctionHandler.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DropFunctionHandler.java
index b5d0b23..b222823 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DropFunctionHandler.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DropFunctionHandler.java
@@ -6,9 +6,9 @@
  * 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.

http://git-wip-us.apache.org/repos/asf/drill/blob/62f14690/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/FindHardDistributionScans.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/FindHardDistributionScans.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/FindHardDistributionScans.java
index 7ad72aa..6af8aa4 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/FindHardDistributionScans.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/FindHardDistributionScans.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -6,9 +6,9 @@
  * 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.

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