http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/HiveFuncHolderExpr.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/HiveFuncHolderExpr.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/HiveFuncHolderExpr.java
index fd19e3d..3312d91 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/HiveFuncHolderExpr.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/HiveFuncHolderExpr.java
@@ -24,9 +24,7 @@ import org.apache.drill.common.expression.ExpressionPosition;
 import org.apache.drill.common.expression.FunctionHolderExpression;
 import org.apache.drill.common.expression.LogicalExpression;
 import org.apache.drill.common.expression.fn.FuncHolder;
-import org.apache.drill.common.expression.visitors.ExprVisitor;
 import org.apache.drill.common.types.TypeProtos.MajorType;
-
 import org.apache.drill.exec.expr.fn.HiveFuncHolder;
 
 public class HiveFuncHolderExpr extends FunctionHolderExpression implements 
Iterable<LogicalExpression>{
@@ -48,6 +46,7 @@ public class HiveFuncHolderExpr extends 
FunctionHolderExpression implements Iter
     return args.iterator();
   }
 
+  @Override
   public FuncHolder getHolder() {
     return holder;
   }
@@ -67,10 +66,10 @@ public class HiveFuncHolderExpr extends 
FunctionHolderExpression implements Iter
   public boolean isRandom() {
     return holder.isRandom();
   }
-  
+
   @Override
   public HiveFuncHolderExpr copy(List<LogicalExpression> args) {
     return new HiveFuncHolderExpr(this.nameUsed, this.holder, args, 
this.getPosition());
   }
-  
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/fn/HiveFuncHolder.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/fn/HiveFuncHolder.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/fn/HiveFuncHolder.java
index 2bc3576..2861b97 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/fn/HiveFuncHolder.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/fn/HiveFuncHolder.java
@@ -17,15 +17,8 @@
  */
 package org.apache.drill.exec.expr.fn;
 
-import com.sun.codemodel.JBlock;
-import com.sun.codemodel.JCatchBlock;
-import com.sun.codemodel.JClass;
-import com.sun.codemodel.JCodeModel;
-import com.sun.codemodel.JConditional;
-import com.sun.codemodel.JExpr;
-import com.sun.codemodel.JInvocation;
-import com.sun.codemodel.JTryBlock;
-import com.sun.codemodel.JVar;
+import java.util.List;
+
 import org.apache.drill.common.expression.ExpressionPosition;
 import org.apache.drill.common.expression.FunctionHolderExpression;
 import org.apache.drill.common.expression.LogicalExpression;
@@ -38,12 +31,20 @@ import org.apache.drill.exec.expr.HiveFuncHolderExpr;
 import org.apache.drill.exec.expr.TypeHelper;
 import org.apache.drill.exec.expr.fn.impl.hive.DrillDeferredObject;
 import org.apache.drill.exec.expr.fn.impl.hive.ObjectInspectorHelper;
-import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
 import org.apache.hadoop.hive.ql.exec.UDF;
-import org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge;
 import org.apache.hadoop.hive.ql.udf.generic.GenericUDF;
+import org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge;
+import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
 
-import java.util.List;
+import com.sun.codemodel.JBlock;
+import com.sun.codemodel.JCatchBlock;
+import com.sun.codemodel.JClass;
+import com.sun.codemodel.JCodeModel;
+import com.sun.codemodel.JConditional;
+import com.sun.codemodel.JExpr;
+import com.sun.codemodel.JInvocation;
+import com.sun.codemodel.JTryBlock;
+import com.sun.codemodel.JVar;
 
 public class HiveFuncHolder extends AbstractFuncHolder {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(FunctionImplementationRegistry.class);

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/fn/HiveFunctionRegistry.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/fn/HiveFunctionRegistry.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/fn/HiveFunctionRegistry.java
index c4813a7..2643220 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/fn/HiveFunctionRegistry.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/fn/HiveFunctionRegistry.java
@@ -20,7 +20,6 @@ package org.apache.drill.exec.expr.fn;
 import java.util.HashSet;
 import java.util.Set;
 
-import com.google.common.collect.Sets;
 import org.apache.drill.common.config.DrillConfig;
 import org.apache.drill.common.expression.FunctionCall;
 import org.apache.drill.common.types.TypeProtos.MajorType;
@@ -38,6 +37,7 @@ import org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge;
 import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
 
 import com.google.common.collect.ArrayListMultimap;
+import com.google.common.collect.Sets;
 
 public class HiveFunctionRegistry implements PluggableFunctionRegistry{
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(HiveFunctionRegistry.class);
@@ -78,7 +78,7 @@ public class HiveFunctionRegistry implements 
PluggableFunctionRegistry{
     }else{
       names = new String[]{clazz.getName().replace('.', '_')};
     }
-    
+
     UDFType type = clazz.getAnnotation(UDFType.class);
     if (type != null && type.deterministic()) nonDeterministicUDFs.add(clazz);
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveFieldConverter.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveFieldConverter.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveFieldConverter.java
index 5095d90..2c265d0 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveFieldConverter.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveFieldConverter.java
@@ -101,6 +101,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class Binary extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final byte[] value = 
((BinaryObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
       return ((NullableVarBinaryVector) 
outputVV).getMutator().setSafe(outputIndex, value, 0, value.length);
@@ -108,6 +109,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class Boolean extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final boolean value = (boolean) 
((BooleanObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
       return ((NullableBitVector) outputVV).getMutator().setSafe(outputIndex, 
value ? 1 : 0);
@@ -115,6 +117,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class Byte extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final byte value = (byte) 
((ByteObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
       return ((NullableTinyIntVector) 
outputVV).getMutator().setSafe(outputIndex, value);
@@ -122,6 +125,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class Decimal extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final HiveDecimal value = 
((HiveDecimalObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
       final byte[] strBytes = value.toString().getBytes();
@@ -130,6 +134,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class Double extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final double value = (double) 
((DoubleObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
       return ((NullableFloat8Vector) 
outputVV).getMutator().setSafe(outputIndex, value);
@@ -137,6 +142,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class Float extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final float value = (float) 
((FloatObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
       return ((NullableFloat4Vector) 
outputVV).getMutator().setSafe(outputIndex, value);
@@ -144,6 +150,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class Int extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final int value = (int) 
((IntObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
       return ((NullableIntVector) outputVV).getMutator().setSafe(outputIndex, 
value);
@@ -151,6 +158,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class Long extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final long value = (long) 
((LongObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
       return ((NullableBigIntVector) 
outputVV).getMutator().setSafe(outputIndex, value);
@@ -158,6 +166,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class Short extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final short value = (short) 
((ShortObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
       return ((NullableSmallIntVector) 
outputVV).getMutator().setSafe(outputIndex, value);
@@ -165,6 +174,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class String extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final Text value = 
((StringObjectInspector)oi).getPrimitiveWritableObject(hiveFieldValue);
       final byte[] valueBytes = value.getBytes();
@@ -174,6 +184,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class VarChar extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final Text value = 
((HiveVarcharObjectInspector)oi).getPrimitiveWritableObject(hiveFieldValue).getTextValue();
       final byte[] valueBytes = value.getBytes();
@@ -183,6 +194,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class Timestamp extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final java.sql.Timestamp value = 
((TimestampObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
       final DateTime ts = new 
DateTime(value.getTime()).withZoneRetainFields(DateTimeZone.UTC);
@@ -191,6 +203,7 @@ public abstract class HiveFieldConverter {
   }
 
   public static class Date extends HiveFieldConverter {
+    @Override
     public boolean setSafeValue(ObjectInspector oi, Object hiveFieldValue, 
ValueVector outputVV, int outputIndex) {
       final java.sql.Date value = 
((DateObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
       final DateTime date = new 
DateTime(value.getTime()).withZoneRetainFields(DateTimeZone.UTC);

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveRecordReader.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveRecordReader.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveRecordReader.java
index 1f3b3cd..c5831a0 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveRecordReader.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveRecordReader.java
@@ -18,8 +18,8 @@
 package org.apache.drill.exec.store.hive;
 
 import java.io.IOException;
-import java.sql.Timestamp;
 import java.sql.Date;
+import java.sql.Timestamp;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
@@ -38,15 +38,14 @@ import org.apache.drill.exec.ops.OperatorContext;
 import org.apache.drill.exec.physical.impl.OutputMutator;
 import org.apache.drill.exec.record.MaterializedField;
 import org.apache.drill.exec.store.AbstractRecordReader;
-import org.apache.drill.exec.store.RecordReader;
 import org.apache.drill.exec.vector.BigIntVector;
 import org.apache.drill.exec.vector.BitVector;
+import org.apache.drill.exec.vector.DateVector;
 import org.apache.drill.exec.vector.Float4Vector;
 import org.apache.drill.exec.vector.Float8Vector;
 import org.apache.drill.exec.vector.IntVector;
-import org.apache.drill.exec.vector.TimeStampVector;
-import org.apache.drill.exec.vector.DateVector;
 import org.apache.drill.exec.vector.SmallIntVector;
+import org.apache.drill.exec.vector.TimeStampVector;
 import org.apache.drill.exec.vector.TinyIntVector;
 import org.apache.drill.exec.vector.ValueVector;
 import org.apache.drill.exec.vector.VarBinaryVector;
@@ -73,7 +72,6 @@ import org.apache.hadoop.mapred.InputFormat;
 import org.apache.hadoop.mapred.InputSplit;
 import org.apache.hadoop.mapred.JobConf;
 import org.apache.hadoop.mapred.Reporter;
-
 import org.joda.time.DateTime;
 import org.joda.time.DateTimeZone;
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveScan.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveScan.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveScan.java
index ef861d0..d050467 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveScan.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveScan.java
@@ -34,8 +34,8 @@ import org.apache.drill.exec.physical.base.AbstractGroupScan;
 import org.apache.drill.exec.physical.base.GroupScan;
 import org.apache.drill.exec.physical.base.PhysicalOperator;
 import org.apache.drill.exec.physical.base.ScanStats;
-import org.apache.drill.exec.physical.base.SubScan;
 import org.apache.drill.exec.physical.base.ScanStats.GroupScanProperty;
+import org.apache.drill.exec.physical.base.SubScan;
 import org.apache.drill.exec.proto.CoordinationProtos;
 import org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint;
 import org.apache.drill.exec.store.StoragePluginRegistry;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveScanBatchCreator.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveScanBatchCreator.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveScanBatchCreator.java
index 616fae3..a1273c0 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveScanBatchCreator.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveScanBatchCreator.java
@@ -17,7 +17,8 @@
  */
 package org.apache.drill.exec.store.hive;
 
-import com.google.common.collect.Lists;
+import java.util.List;
+
 import org.apache.drill.common.exceptions.ExecutionSetupException;
 import org.apache.drill.exec.ops.FragmentContext;
 import org.apache.drill.exec.physical.impl.BatchCreator;
@@ -26,11 +27,9 @@ import org.apache.drill.exec.record.RecordBatch;
 import org.apache.drill.exec.store.RecordReader;
 import org.apache.hadoop.hive.metastore.api.Partition;
 import org.apache.hadoop.hive.metastore.api.Table;
-import org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe;
 import org.apache.hadoop.mapred.InputSplit;
-import org.apache.hadoop.mapred.TextInputFormat;
 
-import java.util.List;
+import com.google.common.collect.Lists;
 
 public class HiveScanBatchCreator implements BatchCreator<HiveSubScan> {
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveStoragePlugin.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveStoragePlugin.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveStoragePlugin.java
index c0ac4ba..e221707 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveStoragePlugin.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveStoragePlugin.java
@@ -20,7 +20,6 @@ package org.apache.drill.exec.store.hive;
 import java.io.IOException;
 import java.util.List;
 
-import net.hydromatic.optiq.Schema;
 import net.hydromatic.optiq.Schema.TableType;
 import net.hydromatic.optiq.SchemaPlus;
 
@@ -31,7 +30,6 @@ import org.apache.drill.exec.rpc.user.UserSession;
 import org.apache.drill.exec.server.DrillbitContext;
 import org.apache.drill.exec.store.AbstractStoragePlugin;
 import org.apache.drill.exec.store.hive.schema.HiveSchemaFactory;
-import org.apache.hadoop.hive.conf.HiveConf;
 
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveStoragePluginConfig.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveStoragePluginConfig.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveStoragePluginConfig.java
index 55fa304..c01389f 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveStoragePluginConfig.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/HiveStoragePluginConfig.java
@@ -17,16 +17,15 @@
  */
 package org.apache.drill.exec.store.hive;
 
+import java.util.Map;
+
+import org.apache.drill.common.logical.StoragePluginConfigBase;
+
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 
-import org.apache.drill.common.logical.StoragePluginConfigBase;
-import org.apache.hadoop.hive.conf.HiveConf;
-
-import java.util.Map;
-
 @JsonTypeName(HiveStoragePluginConfig.NAME)
 public class HiveStoragePluginConfig extends StoragePluginConfigBase {
   @JsonProperty

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/DrillHiveTable.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/DrillHiveTable.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/DrillHiveTable.java
index 949fa06..41f6e53 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/DrillHiveTable.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/DrillHiveTable.java
@@ -21,7 +21,6 @@ import java.nio.charset.Charset;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.google.common.collect.Lists;
 import org.apache.drill.exec.planner.logical.DrillTable;
 import org.apache.drill.exec.store.hive.HiveReadEntry;
 import org.apache.drill.exec.store.hive.HiveStoragePlugin;
@@ -38,11 +37,13 @@ import org.eigenbase.reltype.RelDataTypeFactory;
 import org.eigenbase.sql.SqlCollation;
 import org.eigenbase.sql.type.SqlTypeName;
 
+import com.google.common.collect.Lists;
+
 public class DrillHiveTable extends DrillTable{
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(DrillHiveTable.class);
-  
+
   protected final Table hiveTable;
-  
+
   public DrillHiveTable(String storageEngineName, HiveStoragePlugin plugin, 
HiveReadEntry readEntry) {
     super(storageEngineName, plugin, readEntry);
     this.hiveTable = new Table(readEntry.getTable());

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/DrillHiveViewTable.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/DrillHiveViewTable.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/DrillHiveViewTable.java
index b575972..52ceccc 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/DrillHiveViewTable.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/DrillHiveViewTable.java
@@ -18,6 +18,7 @@
 package org.apache.drill.exec.store.hive.schema;
 
 import net.hydromatic.optiq.Schema.TableType;
+
 import org.apache.drill.exec.planner.logical.DrillViewInfoProvider;
 import org.apache.drill.exec.store.hive.HiveReadEntry;
 import org.apache.drill.exec.store.hive.HiveStoragePlugin;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/HiveDatabaseSchema.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/HiveDatabaseSchema.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/HiveDatabaseSchema.java
index 0df2374..1d2902b 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/HiveDatabaseSchema.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/HiveDatabaseSchema.java
@@ -22,9 +22,7 @@ import java.util.Set;
 
 import net.hydromatic.optiq.Table;
 
-import org.apache.drill.exec.planner.logical.DrillTable;
 import org.apache.drill.exec.store.AbstractSchema;
-import org.apache.drill.exec.store.dfs.FileSystemConfig;
 import org.apache.drill.exec.store.hive.HiveStoragePluginConfig;
 import org.apache.drill.exec.store.hive.schema.HiveSchemaFactory.HiveSchema;
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/HiveSchemaFactory.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/HiveSchemaFactory.java
 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/HiveSchemaFactory.java
index ef2ac83..6c0d44b 100644
--- 
a/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/HiveSchemaFactory.java
+++ 
b/contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/schema/HiveSchemaFactory.java
@@ -24,14 +24,11 @@ import java.util.Set;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
 
-import com.google.common.collect.ImmutableList;
-
 import net.hydromatic.optiq.Schema;
 import net.hydromatic.optiq.SchemaPlus;
 
 import org.apache.drill.common.exceptions.ExecutionSetupException;
 import org.apache.drill.exec.planner.logical.DrillTable;
-import org.apache.drill.exec.rpc.user.DrillUser;
 import org.apache.drill.exec.rpc.user.UserSession;
 import org.apache.drill.exec.store.AbstractSchema;
 import org.apache.drill.exec.store.SchemaFactory;
@@ -50,6 +47,7 @@ import org.apache.thrift.TException;
 import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
+import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/TestHiveProjectPushDown.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/TestHiveProjectPushDown.java
 
b/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/TestHiveProjectPushDown.java
index a985cae..07ca82f 100644
--- 
a/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/TestHiveProjectPushDown.java
+++ 
b/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/TestHiveProjectPushDown.java
@@ -17,13 +17,13 @@
  */
 package org.apache.drill.exec;
 
+import static org.junit.Assert.assertEquals;
+
 import org.apache.drill.PlanTestBase;
 import org.apache.drill.exec.store.hive.HiveTestDataGenerator;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import static org.junit.Assert.assertEquals;
-
 public class TestHiveProjectPushDown extends PlanTestBase {
 
   @BeforeClass

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/fn/hive/TestHiveUDFs.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/fn/hive/TestHiveUDFs.java
 
b/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/fn/hive/TestHiveUDFs.java
index e8c58d1..24899d4 100644
--- 
a/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/fn/hive/TestHiveUDFs.java
+++ 
b/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/fn/hive/TestHiveUDFs.java
@@ -20,6 +20,8 @@ package org.apache.drill.exec.fn.hive;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
+import java.util.List;
+
 import org.apache.drill.BaseTestQuery;
 import org.apache.drill.exec.record.RecordBatchLoader;
 import org.apache.drill.exec.rpc.user.QueryResultBatch;
@@ -29,14 +31,11 @@ import org.apache.drill.exec.vector.NullableFloat8Vector;
 import org.apache.drill.exec.vector.NullableIntVector;
 import org.apache.drill.exec.vector.NullableVar16CharVector;
 import org.apache.drill.exec.vector.Var16CharVector;
-import org.apache.drill.exec.vector.VarCharVector;
 import org.junit.Test;
 
 import com.google.common.base.Charsets;
 import com.google.common.io.Resources;
 
-import java.util.List;
-
 public class TestHiveUDFs extends BaseTestQuery {
 
   @Test

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/fn/hive/TestSampleHiveUDFs.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/fn/hive/TestSampleHiveUDFs.java
 
b/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/fn/hive/TestSampleHiveUDFs.java
index 8517d20..c6efcad 100644
--- 
a/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/fn/hive/TestSampleHiveUDFs.java
+++ 
b/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/fn/hive/TestSampleHiveUDFs.java
@@ -17,6 +17,10 @@
  */
 package org.apache.drill.exec.fn.hive;
 
+import static org.junit.Assert.assertTrue;
+
+import java.util.List;
+
 import org.apache.drill.BaseTestQuery;
 import org.apache.drill.exec.rpc.user.QueryResultBatch;
 import org.apache.drill.exec.store.hive.HiveTestDataGenerator;
@@ -24,10 +28,6 @@ import org.junit.BeforeClass;
 import org.junit.Ignore;
 import org.junit.Test;
 
-import java.util.List;
-
-import static org.junit.Assert.assertTrue;
-
 public class TestSampleHiveUDFs extends BaseTestQuery {
 
   @BeforeClass

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/store/hive/HiveTestDataGenerator.java
----------------------------------------------------------------------
diff --git 
a/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/store/hive/HiveTestDataGenerator.java
 
b/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/store/hive/HiveTestDataGenerator.java
index 2f500b8..b618a93 100644
--- 
a/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/store/hive/HiveTestDataGenerator.java
+++ 
b/contrib/storage-hive/core/src/test/java/org/apache/drill/exec/store/hive/HiveTestDataGenerator.java
@@ -25,7 +25,6 @@ import java.sql.Date;
 import java.sql.Timestamp;
 import java.util.Map;
 
-import com.google.common.collect.Maps;
 import org.apache.commons.io.FileUtils;
 import org.apache.drill.exec.store.StoragePluginRegistry;
 import org.apache.hadoop.fs.FileSystem;
@@ -35,6 +34,8 @@ import org.apache.hadoop.hive.ql.Driver;
 import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse;
 import org.apache.hadoop.hive.ql.session.SessionState;
 
+import com.google.common.collect.Maps;
+
 public class HiveTestDataGenerator {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(HiveTestDataGenerator.class);
 
@@ -42,7 +43,7 @@ public class HiveTestDataGenerator {
   private Driver hiveDriver = null;
   private static final String DB_DIR = "/tmp/drill_hive_db";
   private static final String WH_DIR = "/tmp/drill_hive_wh";
-  
+
   public static void main(String[] args) throws Exception {
     HiveTestDataGenerator htd = new HiveTestDataGenerator();
     htd.generateTestData();
@@ -73,11 +74,11 @@ public class HiveTestDataGenerator {
   }
 
   public void generateTestData() throws Exception {
-    
+
     // remove data from previous runs.
     cleanDir(DB_DIR);
     cleanDir(WH_DIR);
-    
+
     HiveConf conf = new HiveConf();
 
     conf.set("javax.jdo.option.ConnectionURL", 
String.format("jdbc:derby:;databaseName=%s;create=true", DB_DIR));

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/io/netty/buffer/UnsafeDirectLittleEndian.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/io/netty/buffer/UnsafeDirectLittleEndian.java 
b/exec/java-exec/src/main/java/io/netty/buffer/UnsafeDirectLittleEndian.java
index 86d3b59..2cca5d7 100644
--- a/exec/java-exec/src/main/java/io/netty/buffer/UnsafeDirectLittleEndian.java
+++ b/exec/java-exec/src/main/java/io/netty/buffer/UnsafeDirectLittleEndian.java
@@ -22,8 +22,6 @@ import io.netty.util.internal.PlatformDependent;
 
 import java.nio.ByteOrder;
 
-import org.apache.drill.exec.memory.BufferAllocator;
-
 public final class UnsafeDirectLittleEndian extends WrappedByteBuf {
     private static final boolean NATIVE_ORDER = ByteOrder.nativeOrder() == 
ByteOrder.LITTLE_ENDIAN;
     private final PooledUnsafeDirectByteBuf wrapped;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/cache/DistributedCache.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/cache/DistributedCache.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/cache/DistributedCache.java
index 1c5de85..1e0c985 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/cache/DistributedCache.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/cache/DistributedCache.java
@@ -17,8 +17,6 @@
  */
 package org.apache.drill.exec.cache;
 
-import java.util.Map;
-
 import org.apache.drill.exec.exception.DrillbitStartupException;
 
 import com.google.protobuf.Message;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/cache/DistributedMultiMap.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/cache/DistributedMultiMap.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/cache/DistributedMultiMap.java
index 214a871..301f038 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/cache/DistributedMultiMap.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/cache/DistributedMultiMap.java
@@ -18,7 +18,6 @@
 package org.apache.drill.exec.cache;
 
 import java.util.Collection;
-import java.util.List;
 import java.util.concurrent.Future;
 
 public interface DistributedMultiMap<K, V> {

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/cache/VectorAccessibleSerializable.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/cache/VectorAccessibleSerializable.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/cache/VectorAccessibleSerializable.java
index 83b3d5a..fc9775c 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/cache/VectorAccessibleSerializable.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/cache/VectorAccessibleSerializable.java
@@ -17,7 +17,6 @@
  */
 package org.apache.drill.exec.cache;
 
-import io.netty.buffer.ByteBuf;
 import io.netty.buffer.DrillBuf;
 
 import java.io.IOException;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/JacksonAdvancedExternalizer.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/JacksonAdvancedExternalizer.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/JacksonAdvancedExternalizer.java
index 63a6d62..55633ab 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/JacksonAdvancedExternalizer.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/JacksonAdvancedExternalizer.java
@@ -23,13 +23,10 @@ import java.io.ObjectOutput;
 import java.util.Collections;
 import java.util.Set;
 
-import org.apache.drill.common.util.DataInputInputStream;
 import org.apache.drill.exec.cache.SerializationDefinition;
 import org.infinispan.commons.marshall.AdvancedExternalizer;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.hazelcast.nio.ObjectDataInput;
-import com.hazelcast.nio.ObjectDataOutput;
 
 public class JacksonAdvancedExternalizer<T> implements AdvancedExternalizer<T> 
 {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(JacksonAdvancedExternalizer.class);

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/ProtobufAdvancedExternalizer.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/ProtobufAdvancedExternalizer.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/ProtobufAdvancedExternalizer.java
index df97a01..7b638ee 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/ProtobufAdvancedExternalizer.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/ProtobufAdvancedExternalizer.java
@@ -25,7 +25,6 @@ import java.util.Set;
 
 import org.apache.drill.common.util.DataInputInputStream;
 import org.apache.drill.exec.cache.SerializationDefinition;
-import org.apache.drill.exec.proto.UserBitShared.QueryProfile;
 import org.infinispan.commons.marshall.AdvancedExternalizer;
 
 import com.google.protobuf.Message;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/VAAdvancedExternalizer.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/VAAdvancedExternalizer.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/VAAdvancedExternalizer.java
index 5f54f74..f072628 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/VAAdvancedExternalizer.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/cache/infinispan/VAAdvancedExternalizer.java
@@ -23,7 +23,6 @@ import java.io.ObjectOutput;
 import java.util.Set;
 
 import org.apache.drill.exec.cache.CachedVectorContainer;
-import org.apache.drill.exec.cache.VectorAccessibleSerializable;
 import org.apache.drill.exec.memory.BufferAllocator;
 import org.infinispan.commons.marshall.AdvancedExternalizer;
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/client/DrillClient.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/client/DrillClient.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/client/DrillClient.java
index 2d39b5e..510d637 100644
--- a/exec/java-exec/src/main/java/org/apache/drill/exec/client/DrillClient.java
+++ b/exec/java-exec/src/main/java/org/apache/drill/exec/client/DrillClient.java
@@ -20,7 +20,6 @@ package org.apache.drill.exec.client;
 import static com.google.common.base.Preconditions.checkState;
 import static 
org.apache.drill.exec.proto.UserProtos.QueryResultsMode.STREAM_FULL;
 import static org.apache.drill.exec.proto.UserProtos.RunQuery.newBuilder;
-import io.netty.buffer.ByteBuf;
 import io.netty.buffer.DrillBuf;
 
 import java.io.Closeable;
@@ -48,9 +47,9 @@ import org.apache.drill.exec.proto.helper.QueryIdHelper;
 import org.apache.drill.exec.rpc.BasicClientWithConnection.ServerConnection;
 import org.apache.drill.exec.rpc.ChannelClosedException;
 import org.apache.drill.exec.rpc.DrillRpcFuture;
-import org.apache.drill.exec.rpc.TransportCheck;
 import org.apache.drill.exec.rpc.RpcConnectionHandler;
 import org.apache.drill.exec.rpc.RpcException;
+import org.apache.drill.exec.rpc.TransportCheck;
 import org.apache.drill.exec.rpc.user.ConnectionThrottle;
 import org.apache.drill.exec.rpc.user.QueryResultBatch;
 import org.apache.drill.exec.rpc.user.UserClient;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/client/DumpCat.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/client/DumpCat.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/client/DumpCat.java
index 2d65e91..54a5a3a 100644
--- a/exec/java-exec/src/main/java/org/apache/drill/exec/client/DumpCat.java
+++ b/exec/java-exec/src/main/java/org/apache/drill/exec/client/DumpCat.java
@@ -137,6 +137,7 @@ public class DumpCat {
       this.dataSize += info2.dataSize;
     }
 
+    @Override
     public String toString() {
       String avgRecSizeStr = null;
       if (this.rows>0)

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/compile/ByteCodeLoader.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/ByteCodeLoader.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/ByteCodeLoader.java
index 6488699..704a199 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/ByteCodeLoader.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/ByteCodeLoader.java
@@ -37,6 +37,7 @@ class ByteCodeLoader {
       .expireAfterWrite(10, TimeUnit.MINUTES).build(new 
ClassBytesCacheLoader());
 
   private class ClassBytesCacheLoader extends CacheLoader<String, byte[]> {
+    @Override
     public byte[] load(String path) throws ClassTransformationException, 
IOException {
       URL u = this.getClass().getResource(path);
       if (u == null)

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/compile/ClassBodyBuilder.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/ClassBodyBuilder.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/ClassBodyBuilder.java
index 544020f..34f622e 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/ClassBodyBuilder.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/ClassBodyBuilder.java
@@ -58,14 +58,14 @@ public class ClassBodyBuilder {
   private String[] imports = {};
   private String body;
   private boolean used = false;
-  
+
   public static ClassBodyBuilder newBuilder(){
     return new ClassBodyBuilder();
   }
-  
+
   private ClassBodyBuilder(){
   }
-  
+
   public ClassBodyBuilder setClassName(String className) {
     assertNotCooked();
     this.className = className;
@@ -93,7 +93,7 @@ public class ClassBodyBuilder {
   private void assertNotCooked() {
     assert !used;
   }
-  
+
   public ClassBodyBuilder setImports(String[] imports) {
     assertNotCooked();
     this.imports = imports;
@@ -190,7 +190,7 @@ public class ClassBodyBuilder {
 //   * <p>
 //   * This method does not handle comments and string literals correctly, 
i.e. if a pattern that looks like an IMPORT
 //   * declaration appears within a comment or a string literal, it will be 
taken as an IMPORT declaration.
-//   * 
+//   *
 //   * @param r
 //   *          A {@link Reader} that supports MARK, e.g. a {@link 
BufferedReader}
 //   * @return The parsed imports, e.g. {@code "java.util.*", "static 
java.util.Map.Entry" }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/compile/JDKClassCompiler.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/JDKClassCompiler.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/JDKClassCompiler.java
index e1f52ca..f056489 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/JDKClassCompiler.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/JDKClassCompiler.java
@@ -81,6 +81,7 @@ class JDKClassCompiler extends AbstractClassCompiler {
     }
   }
 
+  @Override
   protected org.slf4j.Logger getLogger() { return logger; }
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/compile/JaninoClassCompiler.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/JaninoClassCompiler.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/JaninoClassCompiler.java
index aa16b83..84bf4b0 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/JaninoClassCompiler.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/JaninoClassCompiler.java
@@ -41,6 +41,7 @@ public class JaninoClassCompiler extends 
AbstractClassCompiler {
     this.compilationClassLoader = new 
ClassLoaderIClassLoader(parentClassLoader);
   }
 
+  @Override
   protected byte[][] getByteCode(final ClassNames className, final String 
sourcecode)
       throws CompileException, IOException, ClassNotFoundException, 
ClassTransformationException {
     StringReader reader = new StringReader(sourcecode);
@@ -56,6 +57,7 @@ public class JaninoClassCompiler extends 
AbstractClassCompiler {
     return byteCodes;
   }
 
+  @Override
   protected org.slf4j.Logger getLogger() { return logger; }
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/compile/MergeAdapter.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/MergeAdapter.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/MergeAdapter.java
index bd68b43..945c94a 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/MergeAdapter.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/MergeAdapter.java
@@ -26,7 +26,6 @@ import java.util.Iterator;
 import java.util.Set;
 
 import org.apache.drill.exec.compile.ClassTransformer.ClassSet;
-import org.apache.drill.exec.compile.bytecode.ValueHolderReplacementVisitor;
 import org.apache.drill.exec.compile.sig.SignatureHolder;
 import org.objectweb.asm.AnnotationVisitor;
 import org.objectweb.asm.ClassReader;
@@ -89,12 +88,14 @@ class MergeAdapter extends ClassVisitor {
     }
   }
 
+  @Override
   public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
     System.out.println("Annotation");
     return super.visitAnnotation(desc, visible);
   }
 
   // visit the class
+  @Override
   public void visit(int version, int access, String name, String signature, 
String superName, String[] interfaces) {
     // use the access and names of the impl class.
     this.name = name;
@@ -136,6 +137,7 @@ class MergeAdapter extends ClassVisitor {
     return mv;
   }
 
+  @Override
   @SuppressWarnings("unchecked")
   public void visitEnd() {
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/compile/QueryClassLoader.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/QueryClassLoader.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/QueryClassLoader.java
index 2dcb52b..398d109 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/QueryClassLoader.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/QueryClassLoader.java
@@ -17,7 +17,13 @@
  */
 package org.apache.drill.exec.compile;
 
-import com.google.common.collect.MapMaker;
+import java.io.IOException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.Arrays;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.atomic.AtomicLong;
+
 import org.apache.drill.common.config.DrillConfig;
 import org.apache.drill.common.exceptions.ExpressionParsingException;
 import org.apache.drill.exec.compile.ClassTransformer.ClassNames;
@@ -30,12 +36,7 @@ import 
org.apache.drill.exec.server.options.TypeValidators.LongValidator;
 import org.apache.drill.exec.server.options.TypeValidators.StringValidator;
 import org.codehaus.commons.compiler.CompileException;
 
-import java.io.IOException;
-import java.net.URL;
-import java.net.URLClassLoader;
-import java.util.Arrays;
-import java.util.concurrent.ConcurrentMap;
-import java.util.concurrent.atomic.AtomicLong;
+import com.google.common.collect.MapMaker;
 
 public class QueryClassLoader extends URLClassLoader {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(QueryClassLoader.class);
@@ -59,7 +60,7 @@ public class QueryClassLoader extends URLClassLoader {
 
   public static final String JAVA_COMPILER_JANINO_MAXSIZE_OPTION = 
"exec.java_compiler_janino_maxsize";
   public static final OptionValidator JAVA_COMPILER_JANINO_MAXSIZE = new 
LongValidator(JAVA_COMPILER_JANINO_MAXSIZE_OPTION, 256*1024);
-  
+
   public static final String JAVA_COMPILER_CONFIG = 
"drill.exec.compile.compiler";
   public static final String JAVA_COMPILER_DEBUG_CONFIG = 
"drill.exec.compile.debug";
   public static final String JAVA_COMPILER_JANINO_MAXSIZE_CONFIG = 
"drill.exec.compile.janino_maxsize";
@@ -67,7 +68,7 @@ public class QueryClassLoader extends URLClassLoader {
   private ClassCompilerSelector compilerSelector;
 
   private AtomicLong index = new AtomicLong(0);
-  
+
   private ConcurrentMap<String, byte[]> customClasses = new 
MapMaker().concurrencyLevel(4).makeMap();
 
   public QueryClassLoader(DrillConfig config, OptionManager sessionOptions) {

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.java
index 8e05602..7b24174 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/bytecode/ReplacingBasicValue.java
@@ -50,6 +50,7 @@ public class ReplacingBasicValue extends BasicValue{
     return index;
   }
 
+  @Override
   public Type getType(){
     return type;
   }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/compile/bytecode/ValueHolderIden.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/bytecode/ValueHolderIden.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/bytecode/ValueHolderIden.java
index 5099fbd..1e10eeb 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/bytecode/ValueHolderIden.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/bytecode/ValueHolderIden.java
@@ -21,10 +21,8 @@ import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.util.List;
 
-import org.objectweb.asm.MethodVisitor;
 import org.objectweb.asm.Opcodes;
 import org.objectweb.asm.Type;
-import org.objectweb.asm.commons.LocalVariablesSorter;
 
 import com.carrotsearch.hppc.ObjectIntOpenHashMap;
 import com.google.common.collect.Lists;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/CodeGeneratorArgument.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/CodeGeneratorArgument.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/CodeGeneratorArgument.java
index eacecfb..ce9f6c9 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/CodeGeneratorArgument.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/CodeGeneratorArgument.java
@@ -19,10 +19,10 @@ package org.apache.drill.exec.compile.sig;
 
 
 public class CodeGeneratorArgument {
-  
+
   private final String name;
   private final Class<?> type;
-  
+
   public CodeGeneratorArgument(String name, Class<?> type) {
     super();
     this.name = name;
@@ -36,5 +36,5 @@ public class CodeGeneratorArgument {
   public Class<?> getType() {
     return type;
   }
-  
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/ConstantExpressionIdentifier.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/ConstantExpressionIdentifier.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/ConstantExpressionIdentifier.java
index c65951d..d98c06b 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/ConstantExpressionIdentifier.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/ConstantExpressionIdentifier.java
@@ -34,18 +34,18 @@ import org.apache.drill.common.expression.SchemaPath;
 import org.apache.drill.common.expression.TypedNullConstant;
 import org.apache.drill.common.expression.ValueExpressions;
 import org.apache.drill.common.expression.ValueExpressions.BooleanExpression;
-import org.apache.drill.common.expression.ValueExpressions.DoubleExpression;
-import org.apache.drill.common.expression.ValueExpressions.LongExpression;
 import org.apache.drill.common.expression.ValueExpressions.DateExpression;
-import 
org.apache.drill.common.expression.ValueExpressions.IntervalYearExpression;
-import 
org.apache.drill.common.expression.ValueExpressions.IntervalDayExpression;
-import org.apache.drill.common.expression.ValueExpressions.TimeStampExpression;
-import org.apache.drill.common.expression.ValueExpressions.TimeExpression;
-import org.apache.drill.common.expression.ValueExpressions.Decimal9Expression;
 import org.apache.drill.common.expression.ValueExpressions.Decimal18Expression;
 import org.apache.drill.common.expression.ValueExpressions.Decimal28Expression;
 import org.apache.drill.common.expression.ValueExpressions.Decimal38Expression;
+import org.apache.drill.common.expression.ValueExpressions.Decimal9Expression;
+import org.apache.drill.common.expression.ValueExpressions.DoubleExpression;
+import 
org.apache.drill.common.expression.ValueExpressions.IntervalDayExpression;
+import 
org.apache.drill.common.expression.ValueExpressions.IntervalYearExpression;
+import org.apache.drill.common.expression.ValueExpressions.LongExpression;
 import org.apache.drill.common.expression.ValueExpressions.QuotedString;
+import org.apache.drill.common.expression.ValueExpressions.TimeExpression;
+import org.apache.drill.common.expression.ValueExpressions.TimeStampExpression;
 import org.apache.drill.common.expression.visitors.ExprVisitor;
 
 import com.google.common.collect.Lists;
@@ -54,7 +54,7 @@ public class ConstantExpressionIdentifier implements 
ExprVisitor<Boolean, Identi
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(ConstantExpressionIdentifier.class);
 
   private ConstantExpressionIdentifier(){}
-  
+
   /**
    * Get a list of expressions that mark boundaries into a constant space.
    * @param e
@@ -63,7 +63,7 @@ public class ConstantExpressionIdentifier implements 
ExprVisitor<Boolean, Identi
   public static Set<LogicalExpression> 
getConstantExpressionSet(LogicalExpression e){
     IdentityHashMap<LogicalExpression, Object> map = new IdentityHashMap<>();
     ConstantExpressionIdentifier visitor = new ConstantExpressionIdentifier();
-    
+
 
     if(e.accept(visitor, map) && map.isEmpty()){
       // if we receive a constant value here but the map is empty, this means 
the entire tree is a constant.
@@ -74,7 +74,7 @@ public class ConstantExpressionIdentifier implements 
ExprVisitor<Boolean, Identi
       // so we don't continue to carry around a map, we let it go here and 
simply return an empty set.
       return Collections.emptySet();
     }else{
-      return map.keySet();  
+      return map.keySet();
     }
   }
 
@@ -89,7 +89,7 @@ public class ConstantExpressionIdentifier implements 
ExprVisitor<Boolean, Identi
         constant = false;
       }
     }
-    
+
     // if one or more clauses isn't constant, this isn't constant.  this also 
isn't a constant if it operates on a set.
     if(!constant || !transmitsConstant){
       for(LogicalExpression c: constants){
@@ -98,7 +98,7 @@ public class ConstantExpressionIdentifier implements 
ExprVisitor<Boolean, Identi
     }
     return constant && transmitsConstant;
   }
-  
+
   @Override
   public Boolean visitFunctionCall(FunctionCall call, 
IdentityHashMap<LogicalExpression, Object> value){
     throw new UnsupportedOperationException("FunctionCall is not expected 
here. "+

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/VVReadBatch.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/VVReadBatch.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/VVReadBatch.java
index 9eb5d53..93616c2 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/VVReadBatch.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/VVReadBatch.java
@@ -22,9 +22,6 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import org.apache.drill.common.types.TypeProtos.DataMode;
-import org.apache.drill.common.types.TypeProtos.MinorType;
-
 /**
  * Marker annotation to determine which fields should be included as 
parameters for the function.
  */

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/VVWriteBatch.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/VVWriteBatch.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/VVWriteBatch.java
index bd362a3..dff92d0 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/VVWriteBatch.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/compile/sig/VVWriteBatch.java
@@ -22,9 +22,6 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import org.apache.drill.common.types.TypeProtos.DataMode;
-import org.apache.drill.common.types.TypeProtos.MinorType;
-
 /**
  * Marker annotation to determine which fields should be included as 
parameters for the function.
  */

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/coord/ClusterCoordinator.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/coord/ClusterCoordinator.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/coord/ClusterCoordinator.java
index f855107..508a5b2 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/coord/ClusterCoordinator.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/coord/ClusterCoordinator.java
@@ -20,7 +20,6 @@ package org.apache.drill.exec.coord;
 import java.io.Closeable;
 import java.util.Collection;
 
-import org.apache.curator.framework.recipes.locks.InterProcessSemaphoreV2;
 import org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint;
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/coord/DrillbitEndpointSerDe.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/coord/DrillbitEndpointSerDe.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/coord/DrillbitEndpointSerDe.java
index 3f5c930..3961b4b 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/coord/DrillbitEndpointSerDe.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/coord/DrillbitEndpointSerDe.java
@@ -32,7 +32,7 @@ import com.fasterxml.jackson.databind.ser.std.StdSerializer;
 
 public class DrillbitEndpointSerDe {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(DrillbitEndpointSerDe.class);
-  
+
   public static class De extends StdDeserializer<DrillbitEndpoint> {
 
     public De() {
@@ -44,11 +44,11 @@ public class DrillbitEndpointSerDe {
         JsonProcessingException {
       return DrillbitEndpoint.parseFrom(jp.getBinaryValue());
     }
-    
-    
+
+
   }
-  
-  
+
+
   public static class Se extends StdSerializer<DrillbitEndpoint> {
 
     public Se() {
@@ -60,6 +60,6 @@ public class DrillbitEndpointSerDe {
         JsonGenerationException {
       jgen.writeBinary(value.toByteArray());
     }
-    
+
   }
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZKClusterCoordinator.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZKClusterCoordinator.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZKClusterCoordinator.java
index 3773833..76ad90b 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZKClusterCoordinator.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZKClusterCoordinator.java
@@ -105,6 +105,7 @@ public class ZKClusterCoordinator extends 
ClusterCoordinator {
     return curator;
   }
 
+  @Override
   public void start(long millisToWait) throws Exception {
     logger.debug("Starting ZKClusterCoordination.");
     discovery.start();

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZKRegistrationHandle.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZKRegistrationHandle.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZKRegistrationHandle.java
index 9cbc03b..f0c465f 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZKRegistrationHandle.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZKRegistrationHandle.java
@@ -17,17 +17,16 @@
  */
 package org.apache.drill.exec.coord.zk;
 
-import org.apache.drill.exec.coord.ClusterCoordinator;
 import org.apache.drill.exec.coord.ClusterCoordinator.RegistrationHandle;
 
 public class ZKRegistrationHandle implements RegistrationHandle {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(ZKRegistrationHandle.class);
-  
+
   public final String id;
 
   public ZKRegistrationHandle(String id) {
     super();
     this.id = id;
   }
-  
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZkDistributedSemaphore.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZkDistributedSemaphore.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZkDistributedSemaphore.java
index 5f951d0..5e63801 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZkDistributedSemaphore.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZkDistributedSemaphore.java
@@ -23,7 +23,6 @@ import org.apache.curator.framework.CuratorFramework;
 import org.apache.curator.framework.recipes.locks.InterProcessSemaphoreV2;
 import org.apache.curator.framework.recipes.locks.Lease;
 import org.apache.drill.exec.coord.DistributedSemaphore;
-import org.apache.drill.exec.coord.DistributedSemaphore.DistributedLease;
 
 public class ZkDistributedSemaphore implements DistributedSemaphore{
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(ZkDistributedSemaphore.class);

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/disk/Spool.java
----------------------------------------------------------------------
diff --git a/exec/java-exec/src/main/java/org/apache/drill/exec/disk/Spool.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/disk/Spool.java
index b8d4d44..7588664 100644
--- a/exec/java-exec/src/main/java/org/apache/drill/exec/disk/Spool.java
+++ b/exec/java-exec/src/main/java/org/apache/drill/exec/disk/Spool.java
@@ -23,7 +23,7 @@ import org.apache.drill.exec.record.RecordBatch;
 
 public interface Spool {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(Spool.class);
-  
+
   public void write(RecordBatch batch) throws IOException;
   public void read(RecordBatch batch) throws IOException;
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/dotdrill/View.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/dotdrill/View.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/dotdrill/View.java
index 8119c29..a1132d7 100644
--- a/exec/java-exec/src/main/java/org/apache/drill/exec/dotdrill/View.java
+++ b/exec/java-exec/src/main/java/org/apache/drill/exec/dotdrill/View.java
@@ -19,7 +19,6 @@ package org.apache.drill.exec.dotdrill;
 
 import java.util.List;
 
-import com.google.common.collect.ImmutableList;
 import org.apache.drill.exec.planner.StarColumnHelper;
 import org.apache.drill.exec.planner.types.RelDataTypeDrillImpl;
 import org.apache.drill.exec.planner.types.RelDataTypeHolder;
@@ -34,6 +33,7 @@ import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonInclude.Include;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonTypeName;
+import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Lists;
 
 @JsonTypeName("view")

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/exception/BitComException.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/exception/BitComException.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/exception/BitComException.java
index 24fb311..6b36bc3 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/exception/BitComException.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/exception/BitComException.java
@@ -41,5 +41,5 @@ public class BitComException extends DrillException{
   public BitComException(Throwable cause) {
     super(cause);
   }
-  
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/exception/ClassTransformationException.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/exception/ClassTransformationException.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/exception/ClassTransformationException.java
index bb5654a..8bf91c4 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/exception/ClassTransformationException.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/exception/ClassTransformationException.java
@@ -42,6 +42,6 @@ public class ClassTransformationException extends 
DrillException{
   public ClassTransformationException(Throwable cause) {
     super(cause);
   }
-  
-  
+
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/exception/DrillbitStartupException.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/exception/DrillbitStartupException.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/exception/DrillbitStartupException.java
index a9ea942..03257ce 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/exception/DrillbitStartupException.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/exception/DrillbitStartupException.java
@@ -41,6 +41,6 @@ public class DrillbitStartupException extends DrillException{
   public DrillbitStartupException(Throwable cause) {
     super(cause);
   }
-  
-  
+
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/exception/SchemaChangeException.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/exception/SchemaChangeException.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/exception/SchemaChangeException.java
index e7403a0..64c469e 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/exception/SchemaChangeException.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/exception/SchemaChangeException.java
@@ -41,7 +41,7 @@ public class SchemaChangeException extends DrillException{
   public SchemaChangeException(Throwable cause) {
     super(cause);
   }
-  
+
   public SchemaChangeException(String message, Object...objects){
     super(String.format(message, objects));
   }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/exception/SetupException.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/exception/SetupException.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/exception/SetupException.java
index e22aac0..e877e75 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/exception/SetupException.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/exception/SetupException.java
@@ -41,6 +41,6 @@ public class SetupException extends DrillException{
   public SetupException(Throwable cause) {
     super(cause);
   }
-  
-  
+
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/expr/DirectExpression.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/DirectExpression.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/DirectExpression.java
index a131763..bbf00c7 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/DirectExpression.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/DirectExpression.java
@@ -22,18 +22,18 @@ import com.sun.codemodel.JFormatter;
 
 public class DirectExpression extends JExpressionImpl{
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(DirectExpression.class);
-  
+
   final String source;
-  
+
   private DirectExpression(final String source) {
     super();
     this.source = source;
   }
-  
+
   public void generate( JFormatter f ) {
     f.p('(').p(source).p(')');
   }
-  
+
   public static DirectExpression direct( final String source ) {
     return new DirectExpression(source);
   }
@@ -62,6 +62,6 @@ public class DirectExpression extends JExpressionImpl{
       return false;
     return true;
   }
-  
-  
+
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/expr/DrillFuncHolderExpr.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/DrillFuncHolderExpr.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/DrillFuncHolderExpr.java
index 785a8a6..d1734d4 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/DrillFuncHolderExpr.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/DrillFuncHolderExpr.java
@@ -66,24 +66,24 @@ public class DrillFuncHolderExpr extends 
FunctionHolderExpression implements Ite
   public boolean argConstantOnly(int i) {
     return holder.isConstant(i);
   }
-  
+
   public boolean isComplexWriterFuncHolder() {
     return holder instanceof DrillComplexWriterFuncHolder;
   }
- 
+
   @Override
-  public int getSelfCost() { 
+  public int getSelfCost() {
     return holder.getCostCategory();
   }
-  
+
   @Override
-  public int getCumulativeCost() { 
+  public int getCumulativeCost() {
     int cost = this.getSelfCost();
-    
+
     for (LogicalExpression arg : this.args) {
       cost += arg.getCumulativeCost();
     }
-    
+
     return cost;
   }
 
@@ -91,6 +91,6 @@ public class DrillFuncHolderExpr extends 
FunctionHolderExpression implements Ite
   public DrillFuncHolderExpr copy(List<LogicalExpression> args) {
     return new DrillFuncHolderExpr(this.nameUsed, this.holder, args, 
this.getPosition());
   }
-  
+
 }
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/expr/EvaluationVisitor.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/EvaluationVisitor.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/EvaluationVisitor.java
index de71eec..1e67158 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/EvaluationVisitor.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/EvaluationVisitor.java
@@ -29,9 +29,9 @@ import 
org.apache.drill.common.expression.FunctionHolderExpression;
 import org.apache.drill.common.expression.IfExpression;
 import org.apache.drill.common.expression.IfExpression.IfCondition;
 import org.apache.drill.common.expression.LogicalExpression;
+import org.apache.drill.common.expression.NullExpression;
 import org.apache.drill.common.expression.PathSegment;
 import org.apache.drill.common.expression.SchemaPath;
-import org.apache.drill.common.expression.NullExpression;
 import org.apache.drill.common.expression.TypedNullConstant;
 import org.apache.drill.common.expression.ValueExpressions.BooleanExpression;
 import org.apache.drill.common.expression.ValueExpressions.DateExpression;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ExpressionTreeMaterializer.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ExpressionTreeMaterializer.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ExpressionTreeMaterializer.java
index d3c2f8e..7b4c3d6 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ExpressionTreeMaterializer.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ExpressionTreeMaterializer.java
@@ -17,17 +17,9 @@
  */
 package org.apache.drill.exec.expr;
 
-import java.lang.reflect.Array;
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-import com.google.common.base.Function;
-import com.google.common.base.Optional;
-import com.google.common.base.Predicate;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.Iterables;
-
 import org.apache.drill.common.expression.BooleanOperator;
 import org.apache.drill.common.expression.CastExpression;
 import org.apache.drill.common.expression.ConvertExpression;
@@ -36,27 +28,26 @@ import 
org.apache.drill.common.expression.ExpressionPosition;
 import org.apache.drill.common.expression.FunctionCall;
 import org.apache.drill.common.expression.FunctionHolderExpression;
 import org.apache.drill.common.expression.IfExpression;
-import org.apache.drill.common.expression.IfExpression.IfCondition;
 import org.apache.drill.common.expression.LogicalExpression;
 import org.apache.drill.common.expression.NullExpression;
 import org.apache.drill.common.expression.SchemaPath;
 import org.apache.drill.common.expression.TypedNullConstant;
 import org.apache.drill.common.expression.ValueExpressions;
 import org.apache.drill.common.expression.ValueExpressions.BooleanExpression;
-import org.apache.drill.common.expression.ValueExpressions.DoubleExpression;
-import org.apache.drill.common.expression.ValueExpressions.FloatExpression;
-import org.apache.drill.common.expression.ValueExpressions.LongExpression;
 import org.apache.drill.common.expression.ValueExpressions.DateExpression;
-import 
org.apache.drill.common.expression.ValueExpressions.IntervalYearExpression;
-import 
org.apache.drill.common.expression.ValueExpressions.IntervalDayExpression;
-import org.apache.drill.common.expression.ValueExpressions.TimeStampExpression;
-import org.apache.drill.common.expression.ValueExpressions.TimeExpression;
-import org.apache.drill.common.expression.ValueExpressions.Decimal9Expression;
 import org.apache.drill.common.expression.ValueExpressions.Decimal18Expression;
 import org.apache.drill.common.expression.ValueExpressions.Decimal28Expression;
 import org.apache.drill.common.expression.ValueExpressions.Decimal38Expression;
+import org.apache.drill.common.expression.ValueExpressions.Decimal9Expression;
+import org.apache.drill.common.expression.ValueExpressions.DoubleExpression;
+import org.apache.drill.common.expression.ValueExpressions.FloatExpression;
 import org.apache.drill.common.expression.ValueExpressions.IntExpression;
+import 
org.apache.drill.common.expression.ValueExpressions.IntervalDayExpression;
+import 
org.apache.drill.common.expression.ValueExpressions.IntervalYearExpression;
+import org.apache.drill.common.expression.ValueExpressions.LongExpression;
 import org.apache.drill.common.expression.ValueExpressions.QuotedString;
+import org.apache.drill.common.expression.ValueExpressions.TimeExpression;
+import org.apache.drill.common.expression.ValueExpressions.TimeStampExpression;
 import org.apache.drill.common.expression.fn.CastFunctions;
 import org.apache.drill.common.expression.visitors.AbstractExprVisitor;
 import org.apache.drill.common.expression.visitors.ConditionalExprOptimizer;
@@ -73,12 +64,15 @@ import org.apache.drill.exec.expr.fn.DrillFuncHolder;
 import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
 import org.apache.drill.exec.record.TypedFieldId;
 import org.apache.drill.exec.record.VectorAccessible;
-import org.apache.drill.exec.resolver.DefaultFunctionResolver;
 import org.apache.drill.exec.resolver.FunctionResolver;
 import org.apache.drill.exec.resolver.FunctionResolverFactory;
+import org.apache.drill.exec.resolver.TypeCastRules;
 
+import com.google.common.base.Optional;
+import com.google.common.base.Predicate;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
-import org.apache.drill.exec.resolver.TypeCastRules;
 
 public class ExpressionTreeMaterializer {
 
@@ -91,14 +85,14 @@ public class ExpressionTreeMaterializer {
     return ExpressionTreeMaterializer.materialize(expr, batch, errorCollector, 
registry, false);
   }
 
-  public static LogicalExpression materialize(LogicalExpression expr, 
VectorAccessible batch, ErrorCollector errorCollector, 
FunctionImplementationRegistry registry, 
+  public static LogicalExpression materialize(LogicalExpression expr, 
VectorAccessible batch, ErrorCollector errorCollector, 
FunctionImplementationRegistry registry,
       boolean allowComplexWriterExpr) {
     LogicalExpression out =  expr.accept(new MaterializeVisitor(batch, 
errorCollector, allowComplexWriterExpr), registry);
-    
+
     if (!errorCollector.hasErrors()) {
       out = out.accept(ConditionalExprOptimizer.INSTANCE, null);
     }
-    
+
     if(out instanceof NullExpression){
       return new TypedNullConstant(Types.optional(MinorType.INT));
     }else{
@@ -110,7 +104,7 @@ public class ExpressionTreeMaterializer {
     private ExpressionValidator validator = new ExpressionValidator();
     private final ErrorCollector errorCollector;
     private final VectorAccessible batch;
-    private final boolean allowComplexWriter; 
+    private final boolean allowComplexWriter;
 
     public MaterializeVisitor(VectorAccessible batch, ErrorCollector 
errorCollector, boolean allowComplexWriter) {
       this.batch = batch;
@@ -145,7 +139,7 @@ public class ExpressionTreeMaterializer {
       }
 
       //replace with a new function call, since its argument could be changed.
-      return new BooleanOperator(op.getName(), args, op.getPosition());      
+      return new BooleanOperator(op.getName(), args, op.getPosition());
     }
 
     private LogicalExpression addCastExpression(LogicalExpression fromExpr, 
MajorType toType, FunctionImplementationRegistry registry) {
@@ -197,7 +191,7 @@ public class ExpressionTreeMaterializer {
       if (matchedFuncHolder instanceof DrillComplexWriterFuncHolder && ! 
allowComplexWriter) {
         errorCollector.addGeneralError(call.getPosition(), "Only 
ProjectRecordBatch could have complex writer function. You are using complex 
writer function " + call.getName() + " in a non-project operation!");
       }
-      
+
       //new arg lists, possible with implicit cast inserted.
       List<LogicalExpression> argsWithCast = Lists.newArrayList();
 
@@ -502,7 +496,7 @@ public class ExpressionTreeMaterializer {
         // if the type still isn't fully bound, leave as cast expression.
         return new CastExpression(input, e.getMajorType(), e.getPosition());
       } else if (newMinor == MinorType.NULL) {
-        // if input is a NULL expression, remove cast expression and return a 
TypedNullConstant directly.  
+        // if input is a NULL expression, remove cast expression and return a 
TypedNullConstant directly.
         return new 
TypedNullConstant(Types.optional(e.getMajorType().getMinorType()));
       } else {
         // if the type is fully bound, convert to functioncall and materialze 
the function.

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/expr/HoldingContainerExpression.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/HoldingContainerExpression.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/HoldingContainerExpression.java
index 45051b9..3e6ad4a 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/HoldingContainerExpression.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/HoldingContainerExpression.java
@@ -25,14 +25,13 @@ import 
org.apache.drill.common.expression.visitors.ExprVisitor;
 import org.apache.drill.common.types.TypeProtos.MajorType;
 import org.apache.drill.exec.expr.ClassGenerator.HoldingContainer;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.google.common.collect.Iterators;
 
 public class HoldingContainerExpression implements LogicalExpression{
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(HoldingContainerExpression.class);
 
   final HoldingContainer container;
-  
+
   public HoldingContainerExpression(HoldingContainer container) {
     this.container = container;
   }
@@ -52,7 +51,7 @@ public class HoldingContainerExpression implements 
LogicalExpression{
     return visitor.visitUnknown(this, value);
   }
 
-  
+
   public HoldingContainer getContainer() {
     return container;
   }
@@ -61,15 +60,15 @@ public class HoldingContainerExpression implements 
LogicalExpression{
   public ExpressionPosition getPosition() {
     return ExpressionPosition.UNKNOWN;
   }
-  
+
   @Override
-  public int getSelfCost() { 
-    return 0;  // TODO 
+  public int getSelfCost() {
+    return 0;  // TODO
   }
-  
+
   @Override
-  public int getCumulativeCost() { 
+  public int getCumulativeCost() {
     return 0; // TODO
   }
-    
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/expr/SingleClassStringWriter.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/SingleClassStringWriter.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/SingleClassStringWriter.java
index f292b5e..a284db1 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/SingleClassStringWriter.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/SingleClassStringWriter.java
@@ -31,13 +31,13 @@ public class SingleClassStringWriter extends CodeWriter{
 
   private boolean used;
   private StringWriter writer = new StringWriter();
-  
+
   @Override
   public OutputStream openBinary(JPackage pkg, String fileName) throws 
IOException {
     throw new UnsupportedOperationException();
   }
 
-  
+
   @Override
   public Writer openSource(JPackage pkg, String fileName) throws IOException {
     Preconditions.checkArgument(!used, "The SingleClassStringWriter can only 
output once src file.");
@@ -52,6 +52,6 @@ public class SingleClassStringWriter extends CodeWriter{
   public StringBuffer getCode(){
     return writer.getBuffer();
   }
-  
-  
+
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ValueVectorReadExpression.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ValueVectorReadExpression.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ValueVectorReadExpression.java
index f8236d9..a5abf3e 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ValueVectorReadExpression.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ValueVectorReadExpression.java
@@ -23,9 +23,7 @@ import org.apache.drill.common.expression.ExpressionPosition;
 import org.apache.drill.common.expression.LogicalExpression;
 import org.apache.drill.common.expression.PathSegment;
 import org.apache.drill.common.expression.visitors.ExprVisitor;
-import org.apache.drill.common.types.TypeProtos.DataMode;
 import org.apache.drill.common.types.TypeProtos.MajorType;
-import org.apache.drill.common.types.Types;
 import org.apache.drill.exec.record.TypedFieldId;
 
 import com.google.common.collect.Iterators;
@@ -78,15 +76,15 @@ public class ValueVectorReadExpression implements 
LogicalExpression{
   public Iterator<LogicalExpression> iterator() {
     return Iterators.emptyIterator();
   }
-  
+
   @Override
-  public int getSelfCost() { 
-    return 0;  // TODO 
+  public int getSelfCost() {
+    return 0;  // TODO
   }
-  
+
   @Override
-  public int getCumulativeCost() { 
+  public int getCumulativeCost() {
     return 0; // TODO
   }
-  
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ValueVectorWriteExpression.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ValueVectorWriteExpression.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ValueVectorWriteExpression.java
index d277057..1fb46e4 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ValueVectorWriteExpression.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/expr/ValueVectorWriteExpression.java
@@ -34,17 +34,17 @@ public class ValueVectorWriteExpression implements 
LogicalExpression {
   private final TypedFieldId fieldId;
   private final LogicalExpression child;
   private final boolean safe;
-  
+
   public ValueVectorWriteExpression(TypedFieldId fieldId, LogicalExpression 
child){
     this(fieldId, child, false);
   }
-  
+
   public ValueVectorWriteExpression(TypedFieldId fieldId, LogicalExpression 
child, boolean safe){
     this.fieldId = fieldId;
     this.child = child;
     this.safe = safe;
   }
-  
+
   public TypedFieldId getFieldId() {
     return fieldId;
   }
@@ -54,7 +54,7 @@ public class ValueVectorWriteExpression implements 
LogicalExpression {
     return Types.NULL;
   }
 
-  
+
   public boolean isSafe() {
     return safe;
   }
@@ -72,21 +72,21 @@ public class ValueVectorWriteExpression implements 
LogicalExpression {
   public LogicalExpression getChild() {
     return child;
   }
-  
+
   @Override
   public Iterator<LogicalExpression> iterator() {
     return Iterators.singletonIterator(child);
   }
 
   @Override
-  public int getSelfCost() { 
-    return 0;  // TODO 
+  public int getSelfCost() {
+    return 0;  // TODO
   }
-  
+
   @Override
-  public int getCumulativeCost() { 
+  public int getCumulativeCost() {
     return 0; // TODO
   }
-  
+
 
 }

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