http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/pretty_print.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/pretty_print.cc b/cpp/src/arrow/pretty_print.cc
index 93f6ff0..aedad12 100644
--- a/cpp/src/arrow/pretty_print.cc
+++ b/cpp/src/arrow/pretty_print.cc
@@ -42,7 +42,9 @@ class ArrayPrinter {
       const T& array) {
     const auto data = array.raw_values();
     for (int i = 0; i < array.length(); ++i) {
-      if (i > 0) { (*sink_) << ", "; }
+      if (i > 0) {
+        (*sink_) << ", ";
+      }
       if (array.IsNull(i)) {
         (*sink_) << "null";
       } else {
@@ -56,7 +58,9 @@ class ArrayPrinter {
       const T& array) {
     const auto data = array.raw_values();
     for (int i = 0; i < array.length(); ++i) {
-      if (i > 0) { (*sink_) << ", "; }
+      if (i > 0) {
+        (*sink_) << ", ";
+      }
       if (array.IsNull(i)) {
         Write("null");
       } else {
@@ -71,7 +75,9 @@ class ArrayPrinter {
   WriteDataValues(const T& array) {
     int32_t length;
     for (int i = 0; i < array.length(); ++i) {
-      if (i > 0) { (*sink_) << ", "; }
+      if (i > 0) {
+        (*sink_) << ", ";
+      }
       if (array.IsNull(i)) {
         Write("null");
       } else {
@@ -87,7 +93,9 @@ class ArrayPrinter {
   WriteDataValues(const T& array) {
     int32_t length;
     for (int i = 0; i < array.length(); ++i) {
-      if (i > 0) { (*sink_) << ", "; }
+      if (i > 0) {
+        (*sink_) << ", ";
+      }
       if (array.IsNull(i)) {
         Write("null");
       } else {
@@ -102,7 +110,9 @@ class ArrayPrinter {
   WriteDataValues(const T& array) {
     int32_t width = array.byte_width();
     for (int i = 0; i < array.length(); ++i) {
-      if (i > 0) { (*sink_) << ", "; }
+      if (i > 0) {
+        (*sink_) << ", ";
+      }
       if (array.IsNull(i)) {
         Write("null");
       } else {
@@ -116,7 +126,9 @@ class ArrayPrinter {
   inline typename std::enable_if<std::is_base_of<BooleanArray, T>::value, 
void>::type
   WriteDataValues(const T& array) {
     for (int i = 0; i < array.length(); ++i) {
-      if (i > 0) { (*sink_) << ", "; }
+      if (i > 0) {
+        (*sink_) << ", ";
+      }
       if (array.IsNull(i)) {
         Write("null");
       } else {
@@ -138,7 +150,7 @@ class ArrayPrinter {
   typename std::enable_if<std::is_base_of<PrimitiveArray, T>::value ||
                               std::is_base_of<FixedSizeBinaryArray, T>::value 
||
                               std::is_base_of<BinaryArray, T>::value,
-      Status>::type
+                          Status>::type
   Visit(const T& array) {
     OpenArray();
     WriteDataValues(array);
@@ -157,8 +169,8 @@ class ArrayPrinter {
 
     Newline();
     Write("-- value_offsets: ");
-    Int32Array value_offsets(
-        array.length() + 1, array.value_offsets(), nullptr, 0, array.offset());
+    Int32Array value_offsets(array.length() + 1, array.value_offsets(), 
nullptr, 0,
+                             array.offset());
     RETURN_NOT_OK(PrettyPrint(value_offsets, indent_ + 2, sink_));
 
     Newline();
@@ -170,8 +182,8 @@ class ArrayPrinter {
     return Status::OK();
   }
 
-  Status PrintChildren(
-      const std::vector<std::shared_ptr<Array>>& fields, int64_t offset, 
int64_t length) {
+  Status PrintChildren(const std::vector<std::shared_ptr<Array>>& fields, 
int64_t offset,
+                       int64_t length) {
     for (size_t i = 0; i < fields.size(); ++i) {
       Newline();
       std::stringstream ss;
@@ -179,7 +191,9 @@ class ArrayPrinter {
       Write(ss.str());
 
       std::shared_ptr<Array> field = fields[i];
-      if (offset != 0) { field = field->Slice(offset, length); }
+      if (offset != 0) {
+        field = field->Slice(offset, length);
+      }
 
       RETURN_NOT_OK(PrettyPrint(*field, indent_ + 2, sink_));
     }
@@ -207,8 +221,8 @@ class ArrayPrinter {
     if (array.mode() == UnionMode::DENSE) {
       Newline();
       Write("-- value_offsets: ");
-      Int32Array value_offsets(
-          array.length(), array.value_offsets(), nullptr, 0, array.offset());
+      Int32Array value_offsets(array.length(), array.value_offsets(), nullptr, 
0,
+                               array.offset());
       RETURN_NOT_OK(PrettyPrint(value_offsets, indent_ + 2, sink_));
     }
 
@@ -247,8 +261,8 @@ Status ArrayPrinter::WriteValidityBitmap(const Array& 
array) {
   Write("-- is_valid: ");
 
   if (array.null_count() > 0) {
-    BooleanArray is_valid(
-        array.length(), array.null_bitmap(), nullptr, 0, array.offset());
+    BooleanArray is_valid(array.length(), array.null_bitmap(), nullptr, 0,
+                          array.offset());
     return PrettyPrint(is_valid, indent_ + 2, sink_);
   } else {
     Write("all not null");
@@ -256,20 +270,12 @@ Status ArrayPrinter::WriteValidityBitmap(const Array& 
array) {
   }
 }
 
-void ArrayPrinter::OpenArray() {
-  (*sink_) << "[";
-}
-void ArrayPrinter::CloseArray() {
-  (*sink_) << "]";
-}
+void ArrayPrinter::OpenArray() { (*sink_) << "["; }
+void ArrayPrinter::CloseArray() { (*sink_) << "]"; }
 
-void ArrayPrinter::Write(const char* data) {
-  (*sink_) << data;
-}
+void ArrayPrinter::Write(const char* data) { (*sink_) << data; }
 
-void ArrayPrinter::Write(const std::string& data) {
-  (*sink_) << data;
-}
+void ArrayPrinter::Write(const std::string& data) { (*sink_) << data; }
 
 void ArrayPrinter::Newline() {
   (*sink_) << "\n";

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/arrow_to_pandas.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/arrow_to_pandas.cc 
b/cpp/src/arrow/python/arrow_to_pandas.cc
index d40609f..462bdb7 100644
--- a/cpp/src/arrow/python/arrow_to_pandas.cc
+++ b/cpp/src/arrow/python/arrow_to_pandas.cc
@@ -147,8 +147,8 @@ static inline PyArray_Descr* GetSafeNumPyDtype(int type) {
     return PyArray_DescrFromType(type);
   }
 }
-static inline PyObject* NewArray1DFromType(
-    DataType* arrow_type, int type, int64_t length, void* data) {
+static inline PyObject* NewArray1DFromType(DataType* arrow_type, int type, 
int64_t length,
+                                           void* data) {
   npy_intp dims[1] = {length};
 
   PyArray_Descr* descr = GetSafeNumPyDtype(type);
@@ -159,7 +159,8 @@ static inline PyObject* NewArray1DFromType(
 
   set_numpy_metadata(type, arrow_type, descr);
   return PyArray_NewFromDescr(&PyArray_Type, descr, 1, dims, nullptr, data,
-      NPY_ARRAY_OWNDATA | NPY_ARRAY_CARRAY | NPY_ARRAY_WRITEABLE, nullptr);
+                              NPY_ARRAY_OWNDATA | NPY_ARRAY_CARRAY | 
NPY_ARRAY_WRITEABLE,
+                              nullptr);
 }
 
 class PandasBlock {
@@ -188,7 +189,7 @@ class PandasBlock {
 
   virtual Status Allocate() = 0;
   virtual Status Write(const std::shared_ptr<Column>& col, int64_t 
abs_placement,
-      int64_t rel_placement) = 0;
+                       int64_t rel_placement) = 0;
 
   PyObject* block_arr() const { return block_arr_.obj(); }
 
@@ -408,7 +409,9 @@ inline Status ConvertFixedSizeBinary(const ChunkedArray& 
data, PyObject** out_va
 
 inline Status ConvertStruct(const ChunkedArray& data, PyObject** out_values) {
   PyAcquireGIL lock;
-  if (data.num_chunks() <= 0) { return Status::OK(); }
+  if (data.num_chunks() <= 0) {
+    return Status::OK();
+  }
   // ChunkedArray has at least one chunk
   auto arr = static_cast<const StructArray*>(data.chunk(0).get());
   // Use it to cache the struct type and number of fields for all chunks
@@ -467,8 +470,8 @@ inline Status ConvertStruct(const ChunkedArray& data, 
PyObject** out_values) {
 }
 
 template <typename ArrowType>
-inline Status ConvertListsLike(
-    const std::shared_ptr<Column>& col, PyObject** out_values) {
+inline Status ConvertListsLike(const std::shared_ptr<Column>& col,
+                               PyObject** out_values) {
   const ChunkedArray& data = *col->data().get();
   auto list_type = std::static_pointer_cast<ListType>(col->type());
 
@@ -532,8 +535,8 @@ inline void ConvertNumericNullable(const ChunkedArray& 
data, T na_value, T* out_
 }
 
 template <typename InType, typename OutType>
-inline void ConvertNumericNullableCast(
-    const ChunkedArray& data, OutType na_value, OutType* out_values) {
+inline void ConvertNumericNullableCast(const ChunkedArray& data, OutType 
na_value,
+                                       OutType* out_values) {
   for (int c = 0; c < data.num_chunks(); c++) {
     const std::shared_ptr<Array> arr = data.chunk(c);
     auto prim_arr = static_cast<PrimitiveArray*>(arr.get());
@@ -602,8 +605,8 @@ Status ValidateDecimalPrecision(int precision) {
 }
 
 template <typename T>
-Status RawDecimalToString(
-    const uint8_t* bytes, int precision, int scale, std::string* result) {
+Status RawDecimalToString(const uint8_t* bytes, int precision, int scale,
+                          std::string* result) {
   DCHECK_NE(bytes, nullptr);
   DCHECK_NE(result, nullptr);
   RETURN_NOT_OK(ValidateDecimalPrecision<T>(precision));
@@ -613,13 +616,13 @@ Status RawDecimalToString(
   return Status::OK();
 }
 
-template Status RawDecimalToString<int32_t>(
-    const uint8_t*, int, int, std::string* result);
-template Status RawDecimalToString<int64_t>(
-    const uint8_t*, int, int, std::string* result);
+template Status RawDecimalToString<int32_t>(const uint8_t*, int, int,
+                                            std::string* result);
+template Status RawDecimalToString<int64_t>(const uint8_t*, int, int,
+                                            std::string* result);
 
 Status RawDecimalToString(const uint8_t* bytes, int precision, int scale,
-    bool is_negative, std::string* result) {
+                          bool is_negative, std::string* result) {
   DCHECK_NE(bytes, nullptr);
   DCHECK_NE(result, nullptr);
   
RETURN_NOT_OK(ValidateDecimalPrecision<boost::multiprecision::int128_t>(precision));
@@ -684,7 +687,7 @@ class ObjectBlock : public PandasBlock {
   Status Allocate() override { return AllocateNDArray(NPY_OBJECT); }
 
   Status Write(const std::shared_ptr<Column>& col, int64_t abs_placement,
-      int64_t rel_placement) override {
+               int64_t rel_placement) override {
     Type::type type = col->type()->id();
 
     PyObject** out_buffer =
@@ -753,7 +756,7 @@ class IntBlock : public PandasBlock {
   }
 
   Status Write(const std::shared_ptr<Column>& col, int64_t abs_placement,
-      int64_t rel_placement) override {
+               int64_t rel_placement) override {
     Type::type type = col->type()->id();
 
     C_TYPE* out_buffer =
@@ -789,7 +792,7 @@ class Float32Block : public PandasBlock {
   Status Allocate() override { return AllocateNDArray(NPY_FLOAT32); }
 
   Status Write(const std::shared_ptr<Column>& col, int64_t abs_placement,
-      int64_t rel_placement) override {
+               int64_t rel_placement) override {
     Type::type type = col->type()->id();
 
     if (type != Type::FLOAT) {
@@ -813,7 +816,7 @@ class Float64Block : public PandasBlock {
   Status Allocate() override { return AllocateNDArray(NPY_FLOAT64); }
 
   Status Write(const std::shared_ptr<Column>& col, int64_t abs_placement,
-      int64_t rel_placement) override {
+               int64_t rel_placement) override {
     Type::type type = col->type()->id();
 
     double* out_buffer =
@@ -868,7 +871,7 @@ class BoolBlock : public PandasBlock {
   Status Allocate() override { return AllocateNDArray(NPY_BOOL); }
 
   Status Write(const std::shared_ptr<Column>& col, int64_t abs_placement,
-      int64_t rel_placement) override {
+               int64_t rel_placement) override {
     Type::type type = col->type()->id();
 
     if (type != Type::BOOL) {
@@ -903,7 +906,7 @@ class DatetimeBlock : public PandasBlock {
   Status Allocate() override { return AllocateDatetime(2); }
 
   Status Write(const std::shared_ptr<Column>& col, int64_t abs_placement,
-      int64_t rel_placement) override {
+               int64_t rel_placement) override {
     Type::type type = col->type()->id();
 
     int64_t* out_buffer =
@@ -981,14 +984,14 @@ class CategoricalBlock : public PandasBlock {
     constexpr int npy_type = arrow_traits<ARROW_INDEX_TYPE>::npy_type;
 
     if (!(npy_type == NPY_INT8 || npy_type == NPY_INT16 || npy_type == 
NPY_INT32 ||
-            npy_type == NPY_INT64)) {
+          npy_type == NPY_INT64)) {
       return Status::Invalid("Category indices must be signed integers");
     }
     return AllocateNDArray(npy_type, 1);
   }
 
   Status Write(const std::shared_ptr<Column>& col, int64_t abs_placement,
-      int64_t rel_placement) override {
+               int64_t rel_placement) override {
     using T = typename arrow_traits<ARROW_INDEX_TYPE>::T;
 
     T* out_values = reinterpret_cast<T*>(block_data_) + rel_placement * 
num_rows_;
@@ -1036,7 +1039,7 @@ class CategoricalBlock : public PandasBlock {
 };
 
 Status MakeBlock(PandasBlock::type type, int64_t num_rows, int num_columns,
-    std::shared_ptr<PandasBlock>* block) {
+                 std::shared_ptr<PandasBlock>* block) {
 #define BLOCK_CASE(NAME, TYPE)                              \
   case PandasBlock::NAME:                                   \
     *block = std::make_shared<TYPE>(num_rows, num_columns); \
@@ -1066,7 +1069,8 @@ Status MakeBlock(PandasBlock::type type, int64_t 
num_rows, int num_columns,
 }
 
 static inline Status MakeCategoricalBlock(const std::shared_ptr<DataType>& 
type,
-    int64_t num_rows, std::shared_ptr<PandasBlock>* block) {
+                                          int64_t num_rows,
+                                          std::shared_ptr<PandasBlock>* block) 
{
   // All categoricals become a block with a single column
   auto dict_type = static_cast<const DictionaryType*>(type.get());
   switch (dict_type->index_type()->id()) {
@@ -1259,7 +1263,9 @@ class DataFrameBlockCreator {
         block = it->second;
       } else {
         auto it = this->blocks_.find(output_type);
-        if (it == this->blocks_.end()) { return Status::KeyError("No block 
allocated"); }
+        if (it == this->blocks_.end()) {
+          return Status::KeyError("No block allocated");
+        }
         block = it->second;
       }
       return block->Write(col, i, rel_placement);
@@ -1286,7 +1292,9 @@ class DataFrameBlockCreator {
               int column_num;
               while (!error_occurred) {
                 column_num = task_counter.fetch_add(1);
-                if (column_num >= this->table_->num_columns()) { break; }
+                if (column_num >= this->table_->num_columns()) {
+                  break;
+                }
                 Status s = WriteColumn(column_num);
                 if (!s.ok()) {
                   std::lock_guard<std::mutex> lock(error_mtx);
@@ -1301,7 +1309,9 @@ class DataFrameBlockCreator {
         thread.join();
       }
 
-      if (error_occurred) { return error; }
+      if (error_occurred) {
+        return error;
+      }
     }
     return Status::OK();
   }
@@ -1310,7 +1320,9 @@ class DataFrameBlockCreator {
     for (const auto& it : blocks) {
       PyObject* item;
       RETURN_NOT_OK(it.second->GetPyResult(&item));
-      if (PyList_Append(list, item) < 0) { RETURN_IF_PYERROR(); }
+      if (PyList_Append(list, item) < 0) {
+        RETURN_IF_PYERROR();
+      }
 
       // ARROW-1017; PyList_Append increments object refcount
       Py_DECREF(item);
@@ -1432,7 +1444,7 @@ class ArrowDeserializer {
   template <typename Type>
   typename std::enable_if<std::is_base_of<DateType, Type>::value ||
                               std::is_base_of<TimestampType, Type>::value,
-      Status>::type
+                          Status>::type
   Visit(const Type& type) {
     constexpr int TYPE = Type::type_id;
     using traits = arrow_traits<TYPE>;
@@ -1603,22 +1615,22 @@ class ArrowDeserializer {
   PyObject* result_;
 };
 
-Status ConvertArrayToPandas(
-    const std::shared_ptr<Array>& arr, PyObject* py_ref, PyObject** out) {
+Status ConvertArrayToPandas(const std::shared_ptr<Array>& arr, PyObject* 
py_ref,
+                            PyObject** out) {
   static std::string dummy_name = "dummy";
   auto field = std::make_shared<Field>(dummy_name, arr->type());
   auto col = std::make_shared<Column>(field, arr);
   return ConvertColumnToPandas(col, py_ref, out);
 }
 
-Status ConvertColumnToPandas(
-    const std::shared_ptr<Column>& col, PyObject* py_ref, PyObject** out) {
+Status ConvertColumnToPandas(const std::shared_ptr<Column>& col, PyObject* 
py_ref,
+                             PyObject** out) {
   ArrowDeserializer converter(col, py_ref);
   return converter.Convert(out);
 }
 
-Status ConvertTableToPandas(
-    const std::shared_ptr<Table>& table, int nthreads, PyObject** out) {
+Status ConvertTableToPandas(const std::shared_ptr<Table>& table, int nthreads,
+                            PyObject** out) {
   DataFrameBlockCreator helper(table);
   return helper.Convert(nthreads, out);
 }

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/arrow_to_pandas.h
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/arrow_to_pandas.h 
b/cpp/src/arrow/python/arrow_to_pandas.h
index c606dcb..5a99274 100644
--- a/cpp/src/arrow/python/arrow_to_pandas.h
+++ b/cpp/src/arrow/python/arrow_to_pandas.h
@@ -40,12 +40,12 @@ class Table;
 namespace py {
 
 ARROW_EXPORT
-Status ConvertArrayToPandas(
-    const std::shared_ptr<Array>& arr, PyObject* py_ref, PyObject** out);
+Status ConvertArrayToPandas(const std::shared_ptr<Array>& arr, PyObject* 
py_ref,
+                            PyObject** out);
 
 ARROW_EXPORT
-Status ConvertColumnToPandas(
-    const std::shared_ptr<Column>& col, PyObject* py_ref, PyObject** out);
+Status ConvertColumnToPandas(const std::shared_ptr<Column>& col, PyObject* 
py_ref,
+                             PyObject** out);
 
 struct PandasOptions {
   bool strings_to_categorical;
@@ -58,8 +58,8 @@ struct PandasOptions {
 //
 // tuple item: (indices: ndarray[int32], block: ndarray[TYPE, ndim=2])
 ARROW_EXPORT
-Status ConvertTableToPandas(
-    const std::shared_ptr<Table>& table, int nthreads, PyObject** out);
+Status ConvertTableToPandas(const std::shared_ptr<Table>& table, int nthreads,
+                            PyObject** out);
 
 }  // namespace py
 }  // namespace arrow

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/builtin_convert.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/builtin_convert.cc 
b/cpp/src/arrow/python/builtin_convert.cc
index a76b6ba..6eaa37f 100644
--- a/cpp/src/arrow/python/builtin_convert.cc
+++ b/cpp/src/arrow/python/builtin_convert.cc
@@ -44,8 +44,8 @@ static inline bool IsPyInteger(PyObject* obj) {
 #endif
 }
 
-Status InvalidConversion(
-    PyObject* obj, const std::string& expected_types, std::ostream* out) {
+Status InvalidConversion(PyObject* obj, const std::string& expected_types,
+                         std::ostream* out) {
   OwnedRef type(PyObject_Type(obj));
   RETURN_IF_PYERROR();
   DCHECK_NE(type.obj(), nullptr);
@@ -161,7 +161,9 @@ class SeqVisitor {
 
   // co-recursive with VisitElem
   Status Visit(PyObject* obj, int level = 0) {
-    if (level > max_nesting_level_) { max_nesting_level_ = level; }
+    if (level > max_nesting_level_) {
+      max_nesting_level_ = level;
+    }
     // Loop through either a sequence or an iterator.
     if (PySequence_Check(obj)) {
       Py_ssize_t size = PySequence_Size(obj);
@@ -226,7 +228,9 @@ class SeqVisitor {
   int max_observed_level() const {
     int result = 0;
     for (int i = 0; i < MAX_NESTING_LEVELS; ++i) {
-      if (nesting_histogram_[i] > 0) { result = i; }
+      if (nesting_histogram_[i] > 0) {
+        result = i;
+      }
     }
     return result;
   }
@@ -235,7 +239,9 @@ class SeqVisitor {
   int num_nesting_levels() const {
     int result = 0;
     for (int i = 0; i < MAX_NESTING_LEVELS; ++i) {
-      if (nesting_histogram_[i] > 0) { ++result; }
+      if (nesting_histogram_[i] > 0) {
+        ++result;
+      }
     }
     return result;
   }
@@ -300,13 +306,15 @@ Status InferArrowType(PyObject* obj, 
std::shared_ptr<DataType>* out_type) {
   RETURN_NOT_OK(seq_visitor.Validate());
 
   *out_type = seq_visitor.GetType();
-  if (*out_type == nullptr) { return Status::TypeError("Unable to determine 
data type"); }
+  if (*out_type == nullptr) {
+    return Status::TypeError("Unable to determine data type");
+  }
 
   return Status::OK();
 }
 
-Status InferArrowTypeAndSize(
-    PyObject* obj, int64_t* size, std::shared_ptr<DataType>* out_type) {
+Status InferArrowTypeAndSize(PyObject* obj, int64_t* size,
+                             std::shared_ptr<DataType>* out_type) {
   RETURN_NOT_OK(InferArrowSize(obj, size));
 
   // For 0-length sequences, refuse to guess
@@ -372,7 +380,9 @@ class TypedConverterVisitor : public 
TypedConverter<BuilderType> {
         RETURN_NOT_OK(static_cast<Derived*>(this)->AppendItem(ref));
         ++i;
       }
-      if (size != i) { RETURN_NOT_OK(this->typed_builder_->Resize(i)); }
+      if (size != i) {
+        RETURN_NOT_OK(this->typed_builder_->Resize(i));
+      }
     } else {
       return Status::TypeError("Object is not a sequence or iterable");
     }
@@ -487,8 +497,9 @@ class FixedWidthBytesConverter
   inline Status AppendItem(const OwnedRef& item) {
     PyObject* bytes_obj;
     OwnedRef tmp;
-    Py_ssize_t expected_length = 
std::dynamic_pointer_cast<FixedSizeBinaryType>(
-        typed_builder_->type())->byte_width();
+    Py_ssize_t expected_length =
+        std::dynamic_pointer_cast<FixedSizeBinaryType>(typed_builder_->type())
+            ->byte_width();
     if (item.obj() == Py_None) {
       RETURN_NOT_OK(typed_builder_->AppendNull());
       return Status::OK();
@@ -636,7 +647,7 @@ Status ListConverter::Init(ArrayBuilder* builder) {
 }
 
 Status AppendPySequence(PyObject* obj, int64_t size,
-    const std::shared_ptr<DataType>& type, ArrayBuilder* builder) {
+                        const std::shared_ptr<DataType>& type, ArrayBuilder* 
builder) {
   PyDateTime_IMPORT;
   std::shared_ptr<SeqConverter> converter = GetConverter(type);
   if (converter == nullptr) {
@@ -656,7 +667,7 @@ Status ConvertPySequence(PyObject* obj, MemoryPool* pool, 
std::shared_ptr<Array>
 }
 
 Status ConvertPySequence(PyObject* obj, MemoryPool* pool, 
std::shared_ptr<Array>* out,
-    const std::shared_ptr<DataType>& type, int64_t size) {
+                         const std::shared_ptr<DataType>& type, int64_t size) {
   // Handle NA / NullType case
   if (type->id() == Type::NA) {
     out->reset(new NullArray(size));
@@ -671,7 +682,7 @@ Status ConvertPySequence(PyObject* obj, MemoryPool* pool, 
std::shared_ptr<Array>
 }
 
 Status ConvertPySequence(PyObject* obj, MemoryPool* pool, 
std::shared_ptr<Array>* out,
-    const std::shared_ptr<DataType>& type) {
+                         const std::shared_ptr<DataType>& type) {
   int64_t size;
   RETURN_NOT_OK(InferArrowSize(obj, &size));
   return ConvertPySequence(obj, pool, out, type, size);

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/builtin_convert.h
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/builtin_convert.h 
b/cpp/src/arrow/python/builtin_convert.h
index 4f84fbb..cde7a1b 100644
--- a/cpp/src/arrow/python/builtin_convert.h
+++ b/cpp/src/arrow/python/builtin_convert.h
@@ -39,14 +39,15 @@ class Status;
 
 namespace py {
 
-ARROW_EXPORT arrow::Status InferArrowType(
-    PyObject* obj, std::shared_ptr<arrow::DataType>* out_type);
+ARROW_EXPORT arrow::Status InferArrowType(PyObject* obj,
+                                          std::shared_ptr<arrow::DataType>* 
out_type);
 ARROW_EXPORT arrow::Status InferArrowTypeAndSize(
     PyObject* obj, int64_t* size, std::shared_ptr<arrow::DataType>* out_type);
 ARROW_EXPORT arrow::Status InferArrowSize(PyObject* obj, int64_t* size);
 
 ARROW_EXPORT arrow::Status AppendPySequence(PyObject* obj, int64_t size,
-    const std::shared_ptr<arrow::DataType>& type, arrow::ArrayBuilder* 
builder);
+                                            const 
std::shared_ptr<arrow::DataType>& type,
+                                            arrow::ArrayBuilder* builder);
 
 // Type and size inference
 ARROW_EXPORT
@@ -55,19 +56,19 @@ Status ConvertPySequence(PyObject* obj, MemoryPool* pool, 
std::shared_ptr<Array>
 // Size inference
 ARROW_EXPORT
 Status ConvertPySequence(PyObject* obj, MemoryPool* pool, 
std::shared_ptr<Array>* out,
-    const std::shared_ptr<DataType>& type);
+                         const std::shared_ptr<DataType>& type);
 
 // No inference
 ARROW_EXPORT
 Status ConvertPySequence(PyObject* obj, MemoryPool* pool, 
std::shared_ptr<Array>* out,
-    const std::shared_ptr<DataType>& type, int64_t size);
+                         const std::shared_ptr<DataType>& type, int64_t size);
 
 ARROW_EXPORT
-Status InvalidConversion(
-    PyObject* obj, const std::string& expected_type_name, std::ostream* out);
+Status InvalidConversion(PyObject* obj, const std::string& expected_type_name,
+                         std::ostream* out);
 
-ARROW_EXPORT Status CheckPythonBytesAreFixedLength(
-    PyObject* obj, Py_ssize_t expected_length);
+ARROW_EXPORT Status CheckPythonBytesAreFixedLength(PyObject* obj,
+                                                   Py_ssize_t expected_length);
 
 }  // namespace py
 }  // namespace arrow

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/config.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/config.cc b/cpp/src/arrow/python/config.cc
index 3cec7c4..92ca9db 100644
--- a/cpp/src/arrow/python/config.cc
+++ b/cpp/src/arrow/python/config.cc
@@ -16,8 +16,6 @@
 // under the License.
 
 #include "arrow/python/platform.h"
-#include <datetime.h>
-
 #include "arrow/python/config.h"
 
 namespace arrow {

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/helpers.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/helpers.cc b/cpp/src/arrow/python/helpers.cc
index 76ec3a1..164e42e 100644
--- a/cpp/src/arrow/python/helpers.cc
+++ b/cpp/src/arrow/python/helpers.cc
@@ -89,8 +89,8 @@ Status PythonDecimalToString(PyObject* python_decimal, 
std::string* out) {
   return Status::OK();
 }
 
-Status InferDecimalPrecisionAndScale(
-    PyObject* python_decimal, int* precision, int* scale) {
+Status InferDecimalPrecisionAndScale(PyObject* python_decimal, int* precision,
+                                     int* scale) {
   // Call Python's str(decimal_object)
   OwnedRef str_obj(PyObject_Str(python_decimal));
   RETURN_IF_PYERROR();
@@ -102,12 +102,12 @@ Status InferDecimalPrecisionAndScale(
   auto size = str.size;
 
   std::string c_string(bytes, size);
-  return FromString(
-      c_string, static_cast<decimal::Decimal32*>(nullptr), precision, scale);
+  return FromString(c_string, static_cast<decimal::Decimal32*>(nullptr), 
precision,
+                    scale);
 }
 
-Status DecimalFromString(
-    PyObject* decimal_constructor, const std::string& decimal_string, 
PyObject** out) {
+Status DecimalFromString(PyObject* decimal_constructor, const std::string& 
decimal_string,
+                         PyObject** out) {
   DCHECK_NE(decimal_constructor, nullptr);
   DCHECK_NE(out, nullptr);
 
@@ -117,8 +117,8 @@ Status DecimalFromString(
   auto string_bytes = decimal_string.c_str();
   DCHECK_NE(string_bytes, nullptr);
 
-  *out = PyObject_CallFunction(
-      decimal_constructor, const_cast<char*>("s#"), string_bytes, string_size);
+  *out = PyObject_CallFunction(decimal_constructor, const_cast<char*>("s#"), 
string_bytes,
+                               string_size);
   RETURN_IF_PYERROR();
   return Status::OK();
 }

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/helpers.h
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/helpers.h b/cpp/src/arrow/python/helpers.h
index e065669..8b8c667 100644
--- a/cpp/src/arrow/python/helpers.h
+++ b/cpp/src/arrow/python/helpers.h
@@ -36,16 +36,17 @@ class OwnedRef;
 ARROW_EXPORT std::shared_ptr<DataType> GetPrimitiveType(Type::type type);
 
 Status ARROW_EXPORT ImportModule(const std::string& module_name, OwnedRef* 
ref);
-Status ARROW_EXPORT ImportFromModule(
-    const OwnedRef& module, const std::string& module_name, OwnedRef* ref);
+Status ARROW_EXPORT ImportFromModule(const OwnedRef& module,
+                                     const std::string& module_name, OwnedRef* 
ref);
 
 Status ARROW_EXPORT PythonDecimalToString(PyObject* python_decimal, 
std::string* out);
 
-Status ARROW_EXPORT InferDecimalPrecisionAndScale(
-    PyObject* python_decimal, int* precision = nullptr, int* scale = nullptr);
+Status ARROW_EXPORT InferDecimalPrecisionAndScale(PyObject* python_decimal,
+                                                  int* precision = nullptr,
+                                                  int* scale = nullptr);
 
-Status ARROW_EXPORT DecimalFromString(
-    PyObject* decimal_constructor, const std::string& decimal_string, 
PyObject** out);
+Status ARROW_EXPORT DecimalFromString(PyObject* decimal_constructor,
+                                      const std::string& decimal_string, 
PyObject** out);
 
 }  // namespace py
 }  // namespace arrow

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/init.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/init.cc b/cpp/src/arrow/python/init.cc
index db64891..dba293b 100644
--- a/cpp/src/arrow/python/init.cc
+++ b/cpp/src/arrow/python/init.cc
@@ -21,6 +21,4 @@
 #include "arrow/python/init.h"
 #include "arrow/python/numpy_interop.h"
 
-int arrow_init_numpy() {
-  return arrow::py::import_numpy();
-}
+int arrow_init_numpy() { return arrow::py::import_numpy(); }

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/io.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/io.cc b/cpp/src/arrow/python/io.cc
index a719385..4c73fd6 100644
--- a/cpp/src/arrow/python/io.cc
+++ b/cpp/src/arrow/python/io.cc
@@ -33,23 +33,19 @@ namespace py {
 // ----------------------------------------------------------------------
 // Python file
 
-PythonFile::PythonFile(PyObject* file) : file_(file) {
-  Py_INCREF(file_);
-}
+PythonFile::PythonFile(PyObject* file) : file_(file) { Py_INCREF(file_); }
 
-PythonFile::~PythonFile() {
-  Py_DECREF(file_);
-}
+PythonFile::~PythonFile() { Py_DECREF(file_); }
 
 // This is annoying: because C++11 does not allow implicit conversion of string
 // literals to non-const char*, we need to go through some gymnastics to use
 // PyObject_CallMethod without a lot of pain (its arguments are non-const
 // char*)
 template <typename... ArgTypes>
-static inline PyObject* cpp_PyObject_CallMethod(
-    PyObject* obj, const char* method_name, const char* argspec, ArgTypes... 
args) {
-  return PyObject_CallMethod(
-      obj, const_cast<char*>(method_name), const_cast<char*>(argspec), 
args...);
+static inline PyObject* cpp_PyObject_CallMethod(PyObject* obj, const char* 
method_name,
+                                                const char* argspec, 
ArgTypes... args) {
+  return PyObject_CallMethod(obj, const_cast<char*>(method_name),
+                             const_cast<char*>(argspec), args...);
 }
 
 Status PythonFile::Close() {
@@ -103,9 +99,7 @@ Status PythonFile::Tell(int64_t* position) {
 // ----------------------------------------------------------------------
 // Seekable input stream
 
-PyReadableFile::PyReadableFile(PyObject* file) {
-  file_.reset(new PythonFile(file));
-}
+PyReadableFile::PyReadableFile(PyObject* file) { file_.reset(new 
PythonFile(file)); }
 
 PyReadableFile::~PyReadableFile() {}
 
@@ -167,9 +161,7 @@ Status PyReadableFile::GetSize(int64_t* size) {
   return Status::OK();
 }
 
-bool PyReadableFile::supports_zero_copy() const {
-  return false;
-}
+bool PyReadableFile::supports_zero_copy() const { return false; }
 
 // ----------------------------------------------------------------------
 // Output stream

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/numpy_convert.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/numpy_convert.cc 
b/cpp/src/arrow/python/numpy_convert.cc
index c391b5d..95d63b8 100644
--- a/cpp/src/arrow/python/numpy_convert.cc
+++ b/cpp/src/arrow/python/numpy_convert.cc
@@ -38,7 +38,7 @@ namespace py {
 bool is_contiguous(PyObject* array) {
   if (PyArray_Check(array)) {
     return (PyArray_FLAGS(reinterpret_cast<PyArrayObject*>(array)) &
-               (NPY_ARRAY_C_CONTIGUOUS | NPY_ARRAY_F_CONTIGUOUS)) != 0;
+            (NPY_ARRAY_C_CONTIGUOUS | NPY_ARRAY_F_CONTIGUOUS)) != 0;
   } else {
     return false;
   }
@@ -49,8 +49,12 @@ int cast_npy_type_compat(int type_num) {
 // U/LONGLONG to U/INT64 so things work properly.
 
 #if (NPY_INT64 == NPY_LONGLONG) && (NPY_SIZEOF_LONGLONG == 8)
-  if (type_num == NPY_LONGLONG) { type_num = NPY_INT64; }
-  if (type_num == NPY_ULONGLONG) { type_num = NPY_UINT64; }
+  if (type_num == NPY_LONGLONG) {
+    type_num = NPY_INT64;
+  }
+  if (type_num == NPY_ULONGLONG) {
+    type_num = NPY_UINT64;
+  }
 #endif
 
   return type_num;
@@ -66,13 +70,13 @@ NumPyBuffer::NumPyBuffer(PyObject* ao) : Buffer(nullptr, 0) 
{
     size_ = PyArray_SIZE(ndarray) * PyArray_DESCR(ndarray)->elsize;
     capacity_ = size_;
 
-    if (PyArray_FLAGS(ndarray) & NPY_ARRAY_WRITEABLE) { is_mutable_ = true; }
+    if (PyArray_FLAGS(ndarray) & NPY_ARRAY_WRITEABLE) {
+      is_mutable_ = true;
+    }
   }
 }
 
-NumPyBuffer::~NumPyBuffer() {
-  Py_XDECREF(arr_);
-}
+NumPyBuffer::~NumPyBuffer() { Py_XDECREF(arr_); }
 
 #define TO_ARROW_TYPE_CASE(NPY_NAME, FACTORY) \
   case NPY_##NPY_NAME:                        \
@@ -198,7 +202,9 @@ Status NumPyDtypeToArrow(PyObject* dtype, 
std::shared_ptr<DataType>* out) {
 #undef TO_ARROW_TYPE_CASE
 
 Status NdarrayToTensor(MemoryPool* pool, PyObject* ao, 
std::shared_ptr<Tensor>* out) {
-  if (!PyArray_Check(ao)) { return Status::TypeError("Did not pass ndarray 
object"); }
+  if (!PyArray_Check(ao)) {
+    return Status::TypeError("Did not pass ndarray object");
+  }
 
   PyArrayObject* ndarray = reinterpret_cast<PyArrayObject*>(ao);
 
@@ -242,18 +248,27 @@ Status TensorToNdarray(const Tensor& tensor, PyObject* 
base, PyObject** out) {
   }
 
   const void* immutable_data = nullptr;
-  if (tensor.data()) { immutable_data = tensor.data()->data(); }
+  if (tensor.data()) {
+    immutable_data = tensor.data()->data();
+  }
 
   // Remove const =(
   void* mutable_data = const_cast<void*>(immutable_data);
 
   int array_flags = 0;
-  if (tensor.is_row_major()) { array_flags |= NPY_ARRAY_C_CONTIGUOUS; }
-  if (tensor.is_column_major()) { array_flags |= NPY_ARRAY_F_CONTIGUOUS; }
-  if (tensor.is_mutable()) { array_flags |= NPY_ARRAY_WRITEABLE; }
+  if (tensor.is_row_major()) {
+    array_flags |= NPY_ARRAY_C_CONTIGUOUS;
+  }
+  if (tensor.is_column_major()) {
+    array_flags |= NPY_ARRAY_F_CONTIGUOUS;
+  }
+  if (tensor.is_mutable()) {
+    array_flags |= NPY_ARRAY_WRITEABLE;
+  }
 
-  PyObject* result = PyArray_NewFromDescr(&PyArray_Type, dtype, tensor.ndim(),
-      npy_shape.data(), npy_strides.data(), mutable_data, array_flags, 
nullptr);
+  PyObject* result =
+      PyArray_NewFromDescr(&PyArray_Type, dtype, tensor.ndim(), 
npy_shape.data(),
+                           npy_strides.data(), mutable_data, array_flags, 
nullptr);
   RETURN_IF_PYERROR()
 
   if (base != Py_None) {

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/numpy_convert.h
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/numpy_convert.h 
b/cpp/src/arrow/python/numpy_convert.h
index a486646..7b3b3b7 100644
--- a/cpp/src/arrow/python/numpy_convert.h
+++ b/cpp/src/arrow/python/numpy_convert.h
@@ -63,8 +63,8 @@ Status GetTensorType(PyObject* dtype, 
std::shared_ptr<DataType>* out);
 ARROW_EXPORT
 Status GetNumPyType(const DataType& type, int* type_num);
 
-ARROW_EXPORT Status NdarrayToTensor(
-    MemoryPool* pool, PyObject* ao, std::shared_ptr<Tensor>* out);
+ARROW_EXPORT Status NdarrayToTensor(MemoryPool* pool, PyObject* ao,
+                                    std::shared_ptr<Tensor>* out);
 
 ARROW_EXPORT Status TensorToNdarray(const Tensor& tensor, PyObject* base, 
PyObject** out);
 

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/pandas_to_arrow.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/pandas_to_arrow.cc 
b/cpp/src/arrow/python/pandas_to_arrow.cc
index 1368c36..be5634b 100644
--- a/cpp/src/arrow/python/pandas_to_arrow.cc
+++ b/cpp/src/arrow/python/pandas_to_arrow.cc
@@ -75,9 +75,7 @@ static inline bool PyObject_is_string(const PyObject* obj) {
 #endif
 }
 
-static inline bool PyObject_is_float(const PyObject* obj) {
-  return PyFloat_Check(obj);
-}
+static inline bool PyObject_is_float(const PyObject* obj) { return 
PyFloat_Check(obj); }
 
 static inline bool PyObject_is_integer(const PyObject* obj) {
   return (!PyBool_Check(obj)) && PyArray_IsIntegerScalar(obj);
@@ -120,8 +118,8 @@ static int64_t MaskToBitmap(PyArrayObject* mask, int64_t 
length, uint8_t* bitmap
 }
 
 template <int TYPE>
-static int64_t ValuesToValidBytes(
-    const void* data, int64_t length, uint8_t* valid_bytes) {
+static int64_t ValuesToValidBytes(const void* data, int64_t length,
+                                  uint8_t* valid_bytes) {
   typedef npy_traits<TYPE> traits;
   typedef typename traits::value_type T;
 
@@ -163,7 +161,8 @@ constexpr int64_t kBinaryMemoryLimit = 
std::numeric_limits<int32_t>::max();
 /// be length of arr if fully consumed
 /// \param[out] have_bytes true if we encountered any PyBytes object
 static Status AppendObjectStrings(PyArrayObject* arr, PyArrayObject* mask, 
int64_t offset,
-    StringBuilder* builder, int64_t* end_offset, bool* have_bytes) {
+                                  StringBuilder* builder, int64_t* end_offset,
+                                  bool* have_bytes) {
   PyObject* obj;
 
   Ndarray1DIndexer<PyObject*> objects(arr);
@@ -210,8 +209,9 @@ static Status AppendObjectStrings(PyArrayObject* arr, 
PyArrayObject* mask, int64
 }
 
 static Status AppendObjectFixedWidthBytes(PyArrayObject* arr, PyArrayObject* 
mask,
-    int byte_width, int64_t offset, FixedSizeBinaryBuilder* builder,
-    int64_t* end_offset) {
+                                          int byte_width, int64_t offset,
+                                          FixedSizeBinaryBuilder* builder,
+                                          int64_t* end_offset) {
   PyObject* obj;
 
   Ndarray1DIndexer<PyObject*> objects(arr);
@@ -245,8 +245,8 @@ static Status AppendObjectFixedWidthBytes(PyArrayObject* 
arr, PyArrayObject* mas
     }
 
     RETURN_NOT_OK(CheckPythonBytesAreFixedLength(obj, byte_width));
-    if (ARROW_PREDICT_FALSE(
-            builder->value_data_length() + byte_width > kBinaryMemoryLimit)) {
+    if (ARROW_PREDICT_FALSE(builder->value_data_length() + byte_width >
+                            kBinaryMemoryLimit)) {
       break;
     }
     RETURN_NOT_OK(
@@ -263,13 +263,15 @@ static Status AppendObjectFixedWidthBytes(PyArrayObject* 
arr, PyArrayObject* mas
 
 class PandasConverter {
  public:
-  PandasConverter(
-      MemoryPool* pool, PyObject* ao, PyObject* mo, const 
std::shared_ptr<DataType>& type)
+  PandasConverter(MemoryPool* pool, PyObject* ao, PyObject* mo,
+                  const std::shared_ptr<DataType>& type)
       : pool_(pool),
         type_(type),
         arr_(reinterpret_cast<PyArrayObject*>(ao)),
         mask_(nullptr) {
-    if (mo != nullptr && mo != Py_None) { mask_ = 
reinterpret_cast<PyArrayObject*>(mo); }
+    if (mo != nullptr && mo != Py_None) {
+      mask_ = reinterpret_cast<PyArrayObject*>(mo);
+    }
     length_ = static_cast<int64_t>(PyArray_SIZE(arr_));
   }
 
@@ -315,7 +317,9 @@ class PandasConverter {
   Status VisitNative() {
     using traits = arrow_traits<ArrowType::type_id>;
 
-    if (mask_ != nullptr || traits::supports_nulls) { 
RETURN_NOT_OK(InitNullBitmap()); }
+    if (mask_ != nullptr || traits::supports_nulls) {
+      RETURN_NOT_OK(InitNullBitmap());
+    }
 
     std::shared_ptr<Buffer> data;
     RETURN_NOT_OK(ConvertData<ArrowType>(&data));
@@ -337,7 +341,7 @@ class PandasConverter {
   template <typename T>
   typename std::enable_if<std::is_base_of<PrimitiveCType, T>::value ||
                               std::is_same<BooleanType, T>::value,
-      Status>::type
+                          Status>::type
   Visit(const T& type) {
     return VisitNative<T>();
   }
@@ -373,7 +377,9 @@ class PandasConverter {
       return Status::Invalid("only handle 1-dimensional arrays");
     }
 
-    if (type_ == nullptr) { return Status::Invalid("Must pass data type"); }
+    if (type_ == nullptr) {
+      return Status::Invalid("Must pass data type");
+    }
 
     // Visit the type to perform conversion
     return VisitTypeInline(*type_, this);
@@ -385,8 +391,8 @@ class PandasConverter {
   // Conversion logic for various object dtype arrays
 
   template <int ITEM_TYPE, typename ArrowType>
-  Status ConvertTypedLists(
-      const std::shared_ptr<DataType>& type, ListBuilder* builder, PyObject* 
list);
+  Status ConvertTypedLists(const std::shared_ptr<DataType>& type, ListBuilder* 
builder,
+                           PyObject* list);
 
   template <typename ArrowType>
   Status ConvertDates();
@@ -397,8 +403,8 @@ class PandasConverter {
   Status ConvertObjectFixedWidthBytes(const std::shared_ptr<DataType>& type);
   Status ConvertObjectIntegers();
   Status ConvertLists(const std::shared_ptr<DataType>& type);
-  Status ConvertLists(
-      const std::shared_ptr<DataType>& type, ListBuilder* builder, PyObject* 
list);
+  Status ConvertLists(const std::shared_ptr<DataType>& type, ListBuilder* 
builder,
+                      PyObject* list);
   Status ConvertObjects();
   Status ConvertDecimals();
   Status ConvertTimes();
@@ -428,12 +434,14 @@ void CopyStrided(T* input_data, int64_t length, int64_t 
stride, T* output_data)
 }
 
 template <>
-void CopyStrided<PyObject*>(
-    PyObject** input_data, int64_t length, int64_t stride, PyObject** 
output_data) {
+void CopyStrided<PyObject*>(PyObject** input_data, int64_t length, int64_t 
stride,
+                            PyObject** output_data) {
   int64_t j = 0;
   for (int64_t i = 0; i < length; ++i) {
     output_data[i] = input_data[j];
-    if (output_data[i] != nullptr) { Py_INCREF(output_data[i]); }
+    if (output_data[i] != nullptr) {
+      Py_INCREF(output_data[i]);
+    }
     j += stride;
   }
 }
@@ -458,7 +466,7 @@ inline Status 
PandasConverter::ConvertData(std::shared_ptr<Buffer>* data) {
     auto new_buffer = std::make_shared<PoolBuffer>(pool_);
     RETURN_NOT_OK(new_buffer->Resize(sizeof(T) * length_));
     CopyStrided(reinterpret_cast<T*>(PyArray_DATA(arr_)), length_, 
stride_elements,
-        reinterpret_cast<T*>(new_buffer->mutable_data()));
+                reinterpret_cast<T*>(new_buffer->mutable_data()));
     *data = new_buffer;
   } else {
     // Can zero-copy
@@ -479,7 +487,9 @@ inline Status 
PandasConverter::ConvertData<BooleanType>(std::shared_ptr<Buffer>*
 
   memset(bitmap, 0, nbytes);
   for (int i = 0; i < length_; ++i) {
-    if (values[i] > 0) { BitUtil::SetBit(bitmap, i); }
+    if (values[i] > 0) {
+      BitUtil::SetBit(bitmap, i);
+    }
   }
 
   *data = buffer;
@@ -913,8 +923,8 @@ Status LoopPySequence(PyObject* sequence, T func) {
 }
 
 template <int ITEM_TYPE, typename ArrowType>
-inline Status PandasConverter::ConvertTypedLists(
-    const std::shared_ptr<DataType>& type, ListBuilder* builder, PyObject* 
list) {
+inline Status PandasConverter::ConvertTypedLists(const 
std::shared_ptr<DataType>& type,
+                                                 ListBuilder* builder, 
PyObject* list) {
   typedef npy_traits<ITEM_TYPE> traits;
   typedef typename traits::value_type T;
   typedef typename traits::BuilderClass BuilderT;
@@ -1002,8 +1012,8 @@ inline Status 
PandasConverter::ConvertTypedLists<NPY_OBJECT, StringType>(
       RETURN_NOT_OK(CheckFlatNumpyArray(numpy_array, NPY_OBJECT));
 
       int64_t offset = 0;
-      RETURN_NOT_OK(AppendObjectStrings(
-          numpy_array, nullptr, 0, value_builder, &offset, &have_bytes));
+      RETURN_NOT_OK(AppendObjectStrings(numpy_array, nullptr, 0, 
value_builder, &offset,
+                                        &have_bytes));
       if (offset < PyArray_SIZE(numpy_array)) {
         return Status::Invalid("Array cell value exceeded 2GB");
       }
@@ -1032,8 +1042,8 @@ inline Status 
PandasConverter::ConvertTypedLists<NPY_OBJECT, StringType>(
     return ConvertTypedLists<NUMPY_TYPE, ArrowType>(type, builder, list); \
   }
 
-Status PandasConverter::ConvertLists(
-    const std::shared_ptr<DataType>& type, ListBuilder* builder, PyObject* 
list) {
+Status PandasConverter::ConvertLists(const std::shared_ptr<DataType>& type,
+                                     ListBuilder* builder, PyObject* list) {
   switch (type->id()) {
     LIST_CASE(UINT8, NPY_UINT8, UInt8Type)
     LIST_CASE(INT8, NPY_INT8, Int8Type)
@@ -1080,7 +1090,7 @@ Status PandasConverter::ConvertLists(const 
std::shared_ptr<DataType>& type) {
 }
 
 Status PandasToArrow(MemoryPool* pool, PyObject* ao, PyObject* mo,
-    const std::shared_ptr<DataType>& type, std::shared_ptr<Array>* out) {
+                     const std::shared_ptr<DataType>& type, 
std::shared_ptr<Array>* out) {
   PandasConverter converter(pool, ao, mo, type);
   RETURN_NOT_OK(converter.Convert());
   *out = converter.result()[0];
@@ -1088,7 +1098,8 @@ Status PandasToArrow(MemoryPool* pool, PyObject* ao, 
PyObject* mo,
 }
 
 Status PandasObjectsToArrow(MemoryPool* pool, PyObject* ao, PyObject* mo,
-    const std::shared_ptr<DataType>& type, std::shared_ptr<ChunkedArray>* out) 
{
+                            const std::shared_ptr<DataType>& type,
+                            std::shared_ptr<ChunkedArray>* out) {
   PandasConverter converter(pool, ao, mo, type);
   RETURN_NOT_OK(converter.ConvertObjects());
   *out = std::make_shared<ChunkedArray>(converter.result());

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/pandas_to_arrow.h
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/pandas_to_arrow.h 
b/cpp/src/arrow/python/pandas_to_arrow.h
index 8f18624..3e655ba 100644
--- a/cpp/src/arrow/python/pandas_to_arrow.h
+++ b/cpp/src/arrow/python/pandas_to_arrow.h
@@ -38,7 +38,7 @@ namespace py {
 
 ARROW_EXPORT
 Status PandasToArrow(MemoryPool* pool, PyObject* ao, PyObject* mo,
-    const std::shared_ptr<DataType>& type, std::shared_ptr<Array>* out);
+                     const std::shared_ptr<DataType>& type, 
std::shared_ptr<Array>* out);
 
 /// Convert dtype=object arrays. If target data type is not known, pass a type
 /// with nullptr
@@ -50,7 +50,8 @@ Status PandasToArrow(MemoryPool* pool, PyObject* ao, 
PyObject* mo,
 /// \param[out] out a ChunkedArray, to accommodate chunked output
 ARROW_EXPORT
 Status PandasObjectsToArrow(MemoryPool* pool, PyObject* ao, PyObject* mo,
-    const std::shared_ptr<DataType>& type, std::shared_ptr<ChunkedArray>* out);
+                            const std::shared_ptr<DataType>& type,
+                            std::shared_ptr<ChunkedArray>* out);
 
 }  // namespace py
 }  // namespace arrow

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/platform.h
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/platform.h b/cpp/src/arrow/python/platform.h
index a354b38..ae39469 100644
--- a/cpp/src/arrow/python/platform.h
+++ b/cpp/src/arrow/python/platform.h
@@ -23,6 +23,7 @@
 
 #include <iostream>
 #include <Python.h>
+#include <datetime.h>
 
 // Work around C2528 error
 #if _MSC_VER >= 1900

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/pyarrow.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/pyarrow.cc b/cpp/src/arrow/python/pyarrow.cc
index 5d88051..d080cc0 100644
--- a/cpp/src/arrow/python/pyarrow.cc
+++ b/cpp/src/arrow/python/pyarrow.cc
@@ -31,13 +31,9 @@ namespace {
 namespace arrow {
 namespace py {
 
-int import_pyarrow() {
-  return ::import_pyarrow__lib();
-}
+int import_pyarrow() { return ::import_pyarrow__lib(); }
 
-bool is_buffer(PyObject* buffer) {
-  return ::pyarrow_is_buffer(buffer) != 0;
-}
+bool is_buffer(PyObject* buffer) { return ::pyarrow_is_buffer(buffer) != 0; }
 
 Status unwrap_buffer(PyObject* buffer, std::shared_ptr<Buffer>* out) {
   *out = ::pyarrow_unwrap_buffer(buffer);
@@ -52,9 +48,7 @@ PyObject* wrap_buffer(const std::shared_ptr<Buffer>& buffer) {
   return ::pyarrow_wrap_buffer(buffer);
 }
 
-bool is_data_type(PyObject* data_type) {
-  return ::pyarrow_is_data_type(data_type) != 0;
-}
+bool is_data_type(PyObject* data_type) { return 
::pyarrow_is_data_type(data_type) != 0; }
 
 Status unwrap_data_type(PyObject* object, std::shared_ptr<DataType>* out) {
   *out = ::pyarrow_unwrap_data_type(object);
@@ -69,9 +63,7 @@ PyObject* wrap_data_type(const std::shared_ptr<DataType>& 
type) {
   return ::pyarrow_wrap_data_type(type);
 }
 
-bool is_field(PyObject* field) {
-  return ::pyarrow_is_field(field) != 0;
-}
+bool is_field(PyObject* field) { return ::pyarrow_is_field(field) != 0; }
 
 Status unwrap_field(PyObject* field, std::shared_ptr<Field>* out) {
   *out = ::pyarrow_unwrap_field(field);
@@ -86,9 +78,7 @@ PyObject* wrap_field(const std::shared_ptr<Field>& field) {
   return ::pyarrow_wrap_field(field);
 }
 
-bool is_schema(PyObject* schema) {
-  return ::pyarrow_is_schema(schema) != 0;
-}
+bool is_schema(PyObject* schema) { return ::pyarrow_is_schema(schema) != 0; }
 
 Status unwrap_schema(PyObject* schema, std::shared_ptr<Schema>* out) {
   *out = ::pyarrow_unwrap_schema(schema);
@@ -103,9 +93,7 @@ PyObject* wrap_schema(const std::shared_ptr<Schema>& schema) 
{
   return ::pyarrow_wrap_schema(schema);
 }
 
-bool is_array(PyObject* array) {
-  return ::pyarrow_is_array(array) != 0;
-}
+bool is_array(PyObject* array) { return ::pyarrow_is_array(array) != 0; }
 
 Status unwrap_array(PyObject* array, std::shared_ptr<Array>* out) {
   *out = ::pyarrow_unwrap_array(array);
@@ -120,9 +108,7 @@ PyObject* wrap_array(const std::shared_ptr<Array>& array) {
   return ::pyarrow_wrap_array(array);
 }
 
-bool is_tensor(PyObject* tensor) {
-  return ::pyarrow_is_tensor(tensor) != 0;
-}
+bool is_tensor(PyObject* tensor) { return ::pyarrow_is_tensor(tensor) != 0; }
 
 Status unwrap_tensor(PyObject* tensor, std::shared_ptr<Tensor>* out) {
   *out = ::pyarrow_unwrap_tensor(tensor);
@@ -137,9 +123,7 @@ PyObject* wrap_tensor(const std::shared_ptr<Tensor>& 
tensor) {
   return ::pyarrow_wrap_tensor(tensor);
 }
 
-bool is_column(PyObject* column) {
-  return ::pyarrow_is_column(column) != 0;
-}
+bool is_column(PyObject* column) { return ::pyarrow_is_column(column) != 0; }
 
 Status unwrap_column(PyObject* column, std::shared_ptr<Column>* out) {
   *out = ::pyarrow_unwrap_column(column);
@@ -154,9 +138,7 @@ PyObject* wrap_column(const std::shared_ptr<Column>& 
column) {
   return ::pyarrow_wrap_column(column);
 }
 
-bool is_table(PyObject* table) {
-  return ::pyarrow_is_table(table) != 0;
-}
+bool is_table(PyObject* table) { return ::pyarrow_is_table(table) != 0; }
 
 Status unwrap_table(PyObject* table, std::shared_ptr<Table>* out) {
   *out = ::pyarrow_unwrap_table(table);
@@ -171,9 +153,7 @@ PyObject* wrap_table(const std::shared_ptr<Table>& table) {
   return ::pyarrow_wrap_table(table);
 }
 
-bool is_record_batch(PyObject* batch) {
-  return ::pyarrow_is_batch(batch) != 0;
-}
+bool is_record_batch(PyObject* batch) { return ::pyarrow_is_batch(batch) != 0; 
}
 
 Status unwrap_record_batch(PyObject* batch, std::shared_ptr<RecordBatch>* out) 
{
   *out = ::pyarrow_unwrap_batch(batch);

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/pyarrow.h
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/pyarrow.h b/cpp/src/arrow/python/pyarrow.h
index 7278d1c..e637627 100644
--- a/cpp/src/arrow/python/pyarrow.h
+++ b/cpp/src/arrow/python/pyarrow.h
@@ -74,8 +74,8 @@ ARROW_EXPORT Status unwrap_table(PyObject* table, 
std::shared_ptr<Table>* out);
 ARROW_EXPORT PyObject* wrap_table(const std::shared_ptr<Table>& table);
 
 ARROW_EXPORT bool is_record_batch(PyObject* batch);
-ARROW_EXPORT Status unwrap_record_batch(
-    PyObject* batch, std::shared_ptr<RecordBatch>* out);
+ARROW_EXPORT Status unwrap_record_batch(PyObject* batch,
+                                        std::shared_ptr<RecordBatch>* out);
 ARROW_EXPORT PyObject* wrap_record_batch(const std::shared_ptr<RecordBatch>& 
batch);
 
 }  // namespace py

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/python-test.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/python-test.cc 
b/cpp/src/arrow/python/python-test.cc
index c0e555d..b50699d 100644
--- a/cpp/src/arrow/python/python-test.cc
+++ b/cpp/src/arrow/python/python-test.cc
@@ -36,9 +36,7 @@
 namespace arrow {
 namespace py {
 
-TEST(PyBuffer, InvalidInputObject) {
-  PyBuffer buffer(Py_None);
-}
+TEST(PyBuffer, InvalidInputObject) { PyBuffer buffer(Py_None); }
 
 TEST(DecimalTest, TestPythonDecimalToString) {
   PyAcquireGIL lock;
@@ -58,8 +56,8 @@ TEST(DecimalTest, TestPythonDecimalToString) {
 
   auto c_string_size = decimal_string.size();
   ASSERT_GT(c_string_size, 0);
-  OwnedRef pydecimal(PyObject_CallFunction(
-      Decimal.obj(), const_cast<char*>(format), c_string, c_string_size));
+  OwnedRef pydecimal(PyObject_CallFunction(Decimal.obj(), 
const_cast<char*>(format),
+                                           c_string, c_string_size));
   ASSERT_NE(pydecimal.obj(), nullptr);
   ASSERT_EQ(PyErr_Occurred(), nullptr);
 
@@ -88,7 +86,8 @@ TEST(PandasConversionTest, TestObjectBlockWriteFails) {
   auto f3 = field("f3", utf8());
   std::vector<std::shared_ptr<Field>> fields = {f1, f2, f3};
   std::vector<std::shared_ptr<Column>> cols = {std::make_shared<Column>(f1, 
arr),
-      std::make_shared<Column>(f2, arr), std::make_shared<Column>(f3, arr)};
+                                               std::make_shared<Column>(f2, 
arr),
+                                               std::make_shared<Column>(f3, 
arr)};
 
   auto schema = std::make_shared<Schema>(fields);
   auto table = std::make_shared<Table>(schema, cols);

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/python/util/datetime.h
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/python/util/datetime.h 
b/cpp/src/arrow/python/util/datetime.h
index d32421e..de75151 100644
--- a/cpp/src/arrow/python/util/datetime.h
+++ b/cpp/src/arrow/python/util/datetime.h
@@ -18,8 +18,8 @@
 #ifndef PYARROW_UTIL_DATETIME_H
 #define PYARROW_UTIL_DATETIME_H
 
-#include "arrow/python/platform.h"
 #include <datetime.h>
+#include "arrow/python/platform.h"
 
 namespace arrow {
 namespace py {
@@ -31,8 +31,8 @@ static inline int64_t PyTime_to_us(PyObject* pytime) {
           PyDateTime_TIME_GET_MICROSECOND(pytime));
 }
 
-static inline Status PyTime_from_int(
-    int64_t val, const TimeUnit::type unit, PyObject** out) {
+static inline Status PyTime_from_int(int64_t val, const TimeUnit::type unit,
+                                     PyObject** out) {
   int64_t hour = 0, minute = 0, second = 0, microsecond = 0;
   switch (unit) {
     case TimeUnit::NANO:
@@ -65,7 +65,7 @@ static inline Status PyTime_from_int(
       break;
   }
   *out = PyTime_FromTime(static_cast<int32_t>(hour), 
static_cast<int32_t>(minute),
-      static_cast<int32_t>(second), static_cast<int32_t>(microsecond));
+                         static_cast<int32_t>(second), 
static_cast<int32_t>(microsecond));
   return Status::OK();
 }
 

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/status.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/status.cc b/cpp/src/arrow/status.cc
index 9989742..9b509b4 100644
--- a/cpp/src/arrow/status.cc
+++ b/cpp/src/arrow/status.cc
@@ -33,7 +33,9 @@ void Status::CopyFrom(const State* state) {
 }
 
 std::string Status::CodeAsString() const {
-  if (state_ == NULL) { return "OK"; }
+  if (state_ == NULL) {
+    return "OK";
+  }
 
   const char* type;
   switch (code()) {
@@ -70,7 +72,9 @@ std::string Status::CodeAsString() const {
 
 std::string Status::ToString() const {
   std::string result(CodeAsString());
-  if (state_ == NULL) { return result; }
+  if (state_ == NULL) {
+    return result;
+  }
   result += ": ";
   result += state_->msg;
   return result;

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/status.h
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/status.h b/cpp/src/arrow/status.h
index 1bea1fc..a02752f 100644
--- a/cpp/src/arrow/status.h
+++ b/cpp/src/arrow/status.h
@@ -23,10 +23,12 @@
 #include "arrow/util/visibility.h"
 
 // Return the given status if it is not OK.
-#define ARROW_RETURN_NOT_OK(s)                        \
-  do {                                                \
-    ::arrow::Status _s = (s);                         \
-    if (ARROW_PREDICT_FALSE(!_s.ok())) { return _s; } \
+#define ARROW_RETURN_NOT_OK(s)           \
+  do {                                   \
+    ::arrow::Status _s = (s);            \
+    if (ARROW_PREDICT_FALSE(!_s.ok())) { \
+      return _s;                         \
+    }                                    \
   } while (0)
 
 // If 'to_call' returns a bad status, CHECK immediately with a logged message
@@ -43,10 +45,12 @@
 
 namespace arrow {
 
-#define RETURN_NOT_OK(s)                              \
-  do {                                                \
-    Status _s = (s);                                  \
-    if (ARROW_PREDICT_FALSE(!_s.ok())) { return _s; } \
+#define RETURN_NOT_OK(s)                 \
+  do {                                   \
+    Status _s = (s);                     \
+    if (ARROW_PREDICT_FALSE(!_s.ok())) { \
+      return _s;                         \
+    }                                    \
   } while (0)
 
 #define RETURN_NOT_OK_ELSE(s, else_) \
@@ -187,7 +191,9 @@ inline Status::Status(const Status& s)
 inline void Status::operator=(const Status& s) {
   // The following condition catches both aliasing (when this == &s),
   // and the common case where both s and *this are ok.
-  if (state_ != s.state_) { CopyFrom(s.state_); }
+  if (state_ != s.state_) {
+    CopyFrom(s.state_);
+  }
 }
 
 }  // namespace arrow

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/table-test.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/table-test.cc b/cpp/src/arrow/table-test.cc
index e46fdc7..8dba8c0 100644
--- a/cpp/src/arrow/table-test.cc
+++ b/cpp/src/arrow/table-test.cc
@@ -198,11 +198,11 @@ class TestTable : public TestBase {
     schema_ = std::make_shared<Schema>(fields);
 
     arrays_ = {MakePrimitive<Int32Array>(length), 
MakePrimitive<UInt8Array>(length),
-        MakePrimitive<Int16Array>(length)};
+               MakePrimitive<Int16Array>(length)};
 
     columns_ = {std::make_shared<Column>(schema_->field(0), arrays_[0]),
-        std::make_shared<Column>(schema_->field(1), arrays_[1]),
-        std::make_shared<Column>(schema_->field(2), arrays_[2])};
+                std::make_shared<Column>(schema_->field(1), arrays_[1]),
+                std::make_shared<Column>(schema_->field(2), arrays_[2])};
   }
 
  protected:
@@ -412,8 +412,8 @@ TEST_F(TestTable, AddColumn) {
   ASSERT_OK(table.AddColumn(0, columns_[0], &result));
   auto ex_schema = std::shared_ptr<Schema>(new Schema(
       {schema_->field(0), schema_->field(0), schema_->field(1), 
schema_->field(2)}));
-  std::vector<std::shared_ptr<Column>> ex_columns = {
-      table.column(0), table.column(0), table.column(1), table.column(2)};
+  std::vector<std::shared_ptr<Column>> ex_columns = {table.column(0), 
table.column(0),
+                                                     table.column(1), 
table.column(2)};
   ASSERT_TRUE(result->Equals(Table(ex_schema, ex_columns)));
 
   ASSERT_OK(table.AddColumn(1, columns_[0], &result));

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/table.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/table.cc b/cpp/src/arrow/table.cc
index c09628e..a0a2507 100644
--- a/cpp/src/arrow/table.cc
+++ b/cpp/src/arrow/table.cc
@@ -43,8 +43,12 @@ ChunkedArray::ChunkedArray(const ArrayVector& chunks) : 
chunks_(chunks) {
 }
 
 bool ChunkedArray::Equals(const ChunkedArray& other) const {
-  if (length_ != other.length()) { return false; }
-  if (null_count_ != other.null_count()) { return false; }
+  if (length_ != other.length()) {
+    return false;
+  }
+  if (null_count_ != other.null_count()) {
+    return false;
+  }
 
   // Check contents of the underlying arrays. This checks for equality of
   // the underlying data independently of the chunk size.
@@ -57,10 +61,10 @@ bool ChunkedArray::Equals(const ChunkedArray& other) const {
   while (elements_compared < length_) {
     const std::shared_ptr<Array> this_array = chunks_[this_chunk_idx];
     const std::shared_ptr<Array> other_array = other.chunk(other_chunk_idx);
-    int64_t common_length = std::min(
-        this_array->length() - this_start_idx, other_array->length() - 
other_start_idx);
+    int64_t common_length = std::min(this_array->length() - this_start_idx,
+                                     other_array->length() - other_start_idx);
     if (!this_array->RangeEquals(this_start_idx, this_start_idx + 
common_length,
-            other_start_idx, other_array)) {
+                                 other_start_idx, other_array)) {
       return false;
     }
 
@@ -85,8 +89,12 @@ bool ChunkedArray::Equals(const ChunkedArray& other) const {
 }
 
 bool ChunkedArray::Equals(const std::shared_ptr<ChunkedArray>& other) const {
-  if (this == other.get()) { return true; }
-  if (!other) { return false; }
+  if (this == other.get()) {
+    return true;
+  }
+  if (!other) {
+    return false;
+  }
   return Equals(*other.get());
 }
 
@@ -107,18 +115,24 @@ Column::Column(const std::shared_ptr<Field>& field, const 
std::shared_ptr<Array>
 Column::Column(const std::string& name, const std::shared_ptr<Array>& data)
     : Column(::arrow::field(name, data->type()), data) {}
 
-Column::Column(
-    const std::shared_ptr<Field>& field, const std::shared_ptr<ChunkedArray>& 
data)
+Column::Column(const std::shared_ptr<Field>& field,
+               const std::shared_ptr<ChunkedArray>& data)
     : field_(field), data_(data) {}
 
 bool Column::Equals(const Column& other) const {
-  if (!field_->Equals(other.field())) { return false; }
+  if (!field_->Equals(other.field())) {
+    return false;
+  }
   return data_->Equals(other.data());
 }
 
 bool Column::Equals(const std::shared_ptr<Column>& other) const {
-  if (this == other.get()) { return true; }
-  if (!other) { return false; }
+  if (this == other.get()) {
+    return true;
+  }
+  if (!other) {
+    return false;
+  }
 
   return Equals(*other.get());
 }
@@ -141,11 +155,13 @@ Status Column::ValidateData() {
 
 void AssertBatchValid(const RecordBatch& batch) {
   Status s = batch.Validate();
-  if (!s.ok()) { DCHECK(false) << s.ToString(); }
+  if (!s.ok()) {
+    DCHECK(false) << s.ToString();
+  }
 }
 
 RecordBatch::RecordBatch(const std::shared_ptr<Schema>& schema, int64_t 
num_rows,
-    const std::vector<std::shared_ptr<Array>>& columns)
+                         const std::vector<std::shared_ptr<Array>>& columns)
     : schema_(schema), num_rows_(num_rows), columns_(columns.size()) {
   for (size_t i = 0; i < columns.size(); ++i) {
     columns_[i] = columns[i]->data();
@@ -153,7 +169,7 @@ RecordBatch::RecordBatch(const std::shared_ptr<Schema>& 
schema, int64_t num_rows
 }
 
 RecordBatch::RecordBatch(const std::shared_ptr<Schema>& schema, int64_t 
num_rows,
-    std::vector<std::shared_ptr<Array>>&& columns)
+                         std::vector<std::shared_ptr<Array>>&& columns)
     : schema_(schema), num_rows_(num_rows), columns_(columns.size()) {
   for (size_t i = 0; i < columns.size(); ++i) {
     columns_[i] = columns[i]->data();
@@ -161,11 +177,11 @@ RecordBatch::RecordBatch(const std::shared_ptr<Schema>& 
schema, int64_t num_rows
 }
 
 RecordBatch::RecordBatch(const std::shared_ptr<Schema>& schema, int64_t 
num_rows,
-    std::vector<std::shared_ptr<internal::ArrayData>>&& columns)
+                         std::vector<std::shared_ptr<internal::ArrayData>>&& 
columns)
     : schema_(schema), num_rows_(num_rows), columns_(std::move(columns)) {}
 
 RecordBatch::RecordBatch(const std::shared_ptr<Schema>& schema, int64_t 
num_rows,
-    const std::vector<std::shared_ptr<internal::ArrayData>>& columns)
+                         const 
std::vector<std::shared_ptr<internal::ArrayData>>& columns)
     : schema_(schema), num_rows_(num_rows), columns_(columns) {}
 
 std::shared_ptr<Array> RecordBatch::column(int i) const {
@@ -184,7 +200,9 @@ bool RecordBatch::Equals(const RecordBatch& other) const {
   }
 
   for (int i = 0; i < num_columns(); ++i) {
-    if (!column(i)->Equals(other.column(i))) { return false; }
+    if (!column(i)->Equals(other.column(i))) {
+      return false;
+    }
   }
 
   return true;
@@ -196,7 +214,9 @@ bool RecordBatch::ApproxEquals(const RecordBatch& other) 
const {
   }
 
   for (int i = 0; i < num_columns(); ++i) {
-    if (!column(i)->ApproxEquals(other.column(i))) { return false; }
+    if (!column(i)->ApproxEquals(other.column(i))) {
+      return false;
+    }
   }
 
   return true;
@@ -253,7 +273,7 @@ Status RecordBatch::Validate() const {
 // Table methods
 
 Table::Table(const std::shared_ptr<Schema>& schema,
-    const std::vector<std::shared_ptr<Column>>& columns)
+             const std::vector<std::shared_ptr<Column>>& columns)
     : schema_(schema), columns_(columns) {
   if (columns.size() == 0) {
     num_rows_ = 0;
@@ -263,7 +283,7 @@ Table::Table(const std::shared_ptr<Schema>& schema,
 }
 
 Table::Table(const std::shared_ptr<Schema>& schema,
-    const std::vector<std::shared_ptr<Column>>& columns, int64_t num_rows)
+             const std::vector<std::shared_ptr<Column>>& columns, int64_t 
num_rows)
     : schema_(schema), columns_(columns), num_rows_(num_rows) {}
 
 std::shared_ptr<Table> Table::ReplaceSchemaMetadata(
@@ -273,7 +293,7 @@ std::shared_ptr<Table> Table::ReplaceSchemaMetadata(
 }
 
 Status Table::FromRecordBatches(const 
std::vector<std::shared_ptr<RecordBatch>>& batches,
-    std::shared_ptr<Table>* table) {
+                                std::shared_ptr<Table>* table) {
   if (batches.size() == 0) {
     return Status::Invalid("Must pass at least one record batch");
   }
@@ -307,9 +327,11 @@ Status Table::FromRecordBatches(const 
std::vector<std::shared_ptr<RecordBatch>>&
   return Status::OK();
 }
 
-Status ConcatenateTables(
-    const std::vector<std::shared_ptr<Table>>& tables, std::shared_ptr<Table>* 
table) {
-  if (tables.size() == 0) { return Status::Invalid("Must pass at least one 
table"); }
+Status ConcatenateTables(const std::vector<std::shared_ptr<Table>>& tables,
+                         std::shared_ptr<Table>* table) {
+  if (tables.size() == 0) {
+    return Status::Invalid("Must pass at least one table");
+  }
 
   std::shared_ptr<Schema> schema = tables[0]->schema();
 
@@ -343,12 +365,20 @@ Status ConcatenateTables(
 }
 
 bool Table::Equals(const Table& other) const {
-  if (this == &other) { return true; }
-  if (!schema_->Equals(*other.schema())) { return false; }
-  if (static_cast<int64_t>(columns_.size()) != other.num_columns()) { return 
false; }
+  if (this == &other) {
+    return true;
+  }
+  if (!schema_->Equals(*other.schema())) {
+    return false;
+  }
+  if (static_cast<int64_t>(columns_.size()) != other.num_columns()) {
+    return false;
+  }
 
   for (int i = 0; i < static_cast<int>(columns_.size()); i++) {
-    if (!columns_[i]->Equals(other.column(i))) { return false; }
+    if (!columns_[i]->Equals(other.column(i))) {
+      return false;
+    }
   }
   return true;
 }
@@ -361,9 +391,11 @@ Status Table::RemoveColumn(int i, std::shared_ptr<Table>* 
out) const {
   return Status::OK();
 }
 
-Status Table::AddColumn(
-    int i, const std::shared_ptr<Column>& col, std::shared_ptr<Table>* out) 
const {
-  if (i < 0 || i > num_columns() + 1) { return Status::Invalid("Invalid column 
index."); }
+Status Table::AddColumn(int i, const std::shared_ptr<Column>& col,
+                        std::shared_ptr<Table>* out) const {
+  if (i < 0 || i > num_columns() + 1) {
+    return Status::Invalid("Invalid column index.");
+  }
   if (col == nullptr) {
     std::stringstream ss;
     ss << "Column " << i << " was null";
@@ -407,7 +439,8 @@ Status Table::ValidateColumns() const {
 }
 
 Status ARROW_EXPORT MakeTable(const std::shared_ptr<Schema>& schema,
-    const std::vector<std::shared_ptr<Array>>& arrays, std::shared_ptr<Table>* 
table) {
+                              const std::vector<std::shared_ptr<Array>>& 
arrays,
+                              std::shared_ptr<Table>* table) {
   // Make sure the length of the schema corresponds to the length of the vector
   if (schema->num_fields() != static_cast<int>(arrays.size())) {
     std::stringstream ss;

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/table.h
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/table.h b/cpp/src/arrow/table.h
index 7ada0e9..6afd618 100644
--- a/cpp/src/arrow/table.h
+++ b/cpp/src/arrow/table.h
@@ -121,11 +121,11 @@ class ARROW_EXPORT RecordBatch {
   /// num_rows
 
   RecordBatch(const std::shared_ptr<Schema>& schema, int64_t num_rows,
-      const std::vector<std::shared_ptr<Array>>& columns);
+              const std::vector<std::shared_ptr<Array>>& columns);
 
   /// \brief Deprecated move constructor for a vector of Array instances
   RecordBatch(const std::shared_ptr<Schema>& schema, int64_t num_rows,
-      std::vector<std::shared_ptr<Array>>&& columns);
+              std::vector<std::shared_ptr<Array>>&& columns);
 
   /// \brief Construct record batch from vector of internal data structures
   /// \since 0.5.0
@@ -138,12 +138,12 @@ class ARROW_EXPORT RecordBatch {
   /// should be equal to the length of each field
   /// \param columns the data for the batch's columns
   RecordBatch(const std::shared_ptr<Schema>& schema, int64_t num_rows,
-      std::vector<std::shared_ptr<internal::ArrayData>>&& columns);
+              std::vector<std::shared_ptr<internal::ArrayData>>&& columns);
 
   /// \brief Construct record batch by copying vector of array data
   /// \since 0.5.0
   RecordBatch(const std::shared_ptr<Schema>& schema, int64_t num_rows,
-      const std::vector<std::shared_ptr<internal::ArrayData>>& columns);
+              const std::vector<std::shared_ptr<internal::ArrayData>>& 
columns);
 
   bool Equals(const RecordBatch& other) const;
 
@@ -194,14 +194,14 @@ class ARROW_EXPORT Table {
  public:
   // If columns is zero-length, the table's number of rows is zero
   Table(const std::shared_ptr<Schema>& schema,
-      const std::vector<std::shared_ptr<Column>>& columns);
+        const std::vector<std::shared_ptr<Column>>& columns);
 
   // num_rows is a parameter to allow for tables of a particular size not
   // having any materialized columns. Each column should therefore have the
   // same length as num_rows -- you can validate this using
   // Table::ValidateColumns
   Table(const std::shared_ptr<Schema>& schema,
-      const std::vector<std::shared_ptr<Column>>& columns, int64_t num_rows);
+        const std::vector<std::shared_ptr<Column>>& columns, int64_t num_rows);
 
   // Construct table from RecordBatch, but only if all of the batch schemas are
   // equal. Returns Status::Invalid if there is some problem
@@ -221,8 +221,8 @@ class ARROW_EXPORT Table {
   Status RemoveColumn(int i, std::shared_ptr<Table>* out) const;
 
   /// Add column to the table, producing a new Table
-  Status AddColumn(
-      int i, const std::shared_ptr<Column>& column, std::shared_ptr<Table>* 
out) const;
+  Status AddColumn(int i, const std::shared_ptr<Column>& column,
+                   std::shared_ptr<Table>* out) const;
 
   /// \brief Replace schema key-value metadata with new metadata (EXPERIMENTAL)
   /// \since 0.5.0
@@ -252,11 +252,12 @@ class ARROW_EXPORT Table {
 
 // Construct table from multiple input tables. Return Status::Invalid if
 // schemas are not equal
-Status ARROW_EXPORT ConcatenateTables(
-    const std::vector<std::shared_ptr<Table>>& tables, std::shared_ptr<Table>* 
table);
+Status ARROW_EXPORT ConcatenateTables(const 
std::vector<std::shared_ptr<Table>>& tables,
+                                      std::shared_ptr<Table>* table);
 
 Status ARROW_EXPORT MakeTable(const std::shared_ptr<Schema>& schema,
-    const std::vector<std::shared_ptr<Array>>& arrays, std::shared_ptr<Table>* 
table);
+                              const std::vector<std::shared_ptr<Array>>& 
arrays,
+                              std::shared_ptr<Table>* table);
 
 }  // namespace arrow
 

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/tensor.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/tensor.cc b/cpp/src/arrow/tensor.cc
index bcd9d8d..31b1a35 100644
--- a/cpp/src/arrow/tensor.cc
+++ b/cpp/src/arrow/tensor.cc
@@ -35,7 +35,8 @@
 namespace arrow {
 
 static void ComputeRowMajorStrides(const FixedWidthType& type,
-    const std::vector<int64_t>& shape, std::vector<int64_t>* strides) {
+                                   const std::vector<int64_t>& shape,
+                                   std::vector<int64_t>* strides) {
   int64_t remaining = type.bit_width() / 8;
   for (int64_t dimsize : shape) {
     remaining *= dimsize;
@@ -53,7 +54,8 @@ static void ComputeRowMajorStrides(const FixedWidthType& type,
 }
 
 static void ComputeColumnMajorStrides(const FixedWidthType& type,
-    const std::vector<int64_t>& shape, std::vector<int64_t>* strides) {
+                                      const std::vector<int64_t>& shape,
+                                      std::vector<int64_t>* strides) {
   int64_t total = type.bit_width() / 8;
   for (int64_t dimsize : shape) {
     if (dimsize == 0) {
@@ -69,8 +71,8 @@ static void ComputeColumnMajorStrides(const FixedWidthType& 
type,
 
 /// Constructor with strides and dimension names
 Tensor::Tensor(const std::shared_ptr<DataType>& type, const 
std::shared_ptr<Buffer>& data,
-    const std::vector<int64_t>& shape, const std::vector<int64_t>& strides,
-    const std::vector<std::string>& dim_names)
+               const std::vector<int64_t>& shape, const std::vector<int64_t>& 
strides,
+               const std::vector<std::string>& dim_names)
     : type_(type), data_(data), shape_(shape), strides_(strides), 
dim_names_(dim_names) {
   DCHECK(is_tensor_supported(type->id()));
   if (shape.size() > 0 && strides.size() == 0) {
@@ -79,11 +81,11 @@ Tensor::Tensor(const std::shared_ptr<DataType>& type, const 
std::shared_ptr<Buff
 }
 
 Tensor::Tensor(const std::shared_ptr<DataType>& type, const 
std::shared_ptr<Buffer>& data,
-    const std::vector<int64_t>& shape, const std::vector<int64_t>& strides)
+               const std::vector<int64_t>& shape, const std::vector<int64_t>& 
strides)
     : Tensor(type, data, shape, strides, {}) {}
 
 Tensor::Tensor(const std::shared_ptr<DataType>& type, const 
std::shared_ptr<Buffer>& data,
-    const std::vector<int64_t>& shape)
+               const std::vector<int64_t>& shape)
     : Tensor(type, data, shape, {}, {}) {}
 
 const std::string& Tensor::dim_name(int i) const {
@@ -100,9 +102,7 @@ int64_t Tensor::size() const {
   return std::accumulate(shape_.begin(), shape_.end(), 1LL, 
std::multiplies<int64_t>());
 }
 
-bool Tensor::is_contiguous() const {
-  return is_row_major() || is_column_major();
-}
+bool Tensor::is_contiguous() const { return is_row_major() || 
is_column_major(); }
 
 bool Tensor::is_row_major() const {
   std::vector<int64_t> c_strides;
@@ -118,14 +118,14 @@ bool Tensor::is_column_major() const {
   return strides_ == f_strides;
 }
 
-Type::type Tensor::type_id() const {
-  return type_->id();
-}
+Type::type Tensor::type_id() const { return type_->id(); }
 
 bool Tensor::Equals(const Tensor& other) const {
   bool are_equal = false;
   Status error = TensorEquals(*this, other, &are_equal);
-  if (!error.ok()) { DCHECK(false) << "Tensors not comparable: " << 
error.ToString(); }
+  if (!error.ok()) {
+    DCHECK(false) << "Tensors not comparable: " << error.ToString();
+  }
   return are_equal;
 }
 

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/tensor.h
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/tensor.h b/cpp/src/arrow/tensor.h
index 371f591..b074b8c 100644
--- a/cpp/src/arrow/tensor.h
+++ b/cpp/src/arrow/tensor.h
@@ -62,16 +62,16 @@ class ARROW_EXPORT Tensor {
 
   /// Constructor with no dimension names or strides, data assumed to be 
row-major
   Tensor(const std::shared_ptr<DataType>& type, const std::shared_ptr<Buffer>& 
data,
-      const std::vector<int64_t>& shape);
+         const std::vector<int64_t>& shape);
 
   /// Constructor with non-negative strides
   Tensor(const std::shared_ptr<DataType>& type, const std::shared_ptr<Buffer>& 
data,
-      const std::vector<int64_t>& shape, const std::vector<int64_t>& strides);
+         const std::vector<int64_t>& shape, const std::vector<int64_t>& 
strides);
 
   /// Constructor with strides and dimension names
   Tensor(const std::shared_ptr<DataType>& type, const std::shared_ptr<Buffer>& 
data,
-      const std::vector<int64_t>& shape, const std::vector<int64_t>& strides,
-      const std::vector<std::string>& dim_names);
+         const std::vector<int64_t>& shape, const std::vector<int64_t>& 
strides,
+         const std::vector<std::string>& dim_names);
 
   std::shared_ptr<DataType> type() const { return type_; }
   std::shared_ptr<Buffer> data() const { return data_; }

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/test-util.h
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/test-util.h b/cpp/src/arrow/test-util.h
index 2bc6625..1a3376c 100644
--- a/cpp/src/arrow/test-util.h
+++ b/cpp/src/arrow/test-util.h
@@ -39,16 +39,20 @@
 #include "arrow/util/logging.h"
 #include "arrow/util/random.h"
 
-#define ASSERT_RAISES(ENUM, expr)                  \
-  do {                                             \
-    ::arrow::Status s = (expr);                    \
-    if (!s.Is##ENUM()) { FAIL() << s.ToString(); } \
+#define ASSERT_RAISES(ENUM, expr) \
+  do {                            \
+    ::arrow::Status s = (expr);   \
+    if (!s.Is##ENUM()) {          \
+      FAIL() << s.ToString();     \
+    }                             \
   } while (0)
 
-#define ASSERT_OK(expr)                      \
-  do {                                       \
-    ::arrow::Status s = (expr);              \
-    if (!s.ok()) { FAIL() << s.ToString(); } \
+#define ASSERT_OK(expr)         \
+  do {                          \
+    ::arrow::Status s = (expr); \
+    if (!s.ok()) {              \
+      FAIL() << s.ToString();   \
+    }                           \
   } while (0)
 
 #define ASSERT_OK_NO_THROW(expr) ASSERT_NO_THROW(ASSERT_OK(expr))
@@ -59,10 +63,12 @@
     EXPECT_TRUE(s.ok());        \
   } while (0)
 
-#define ABORT_NOT_OK(s)                              \
-  do {                                               \
-    ::arrow::Status _s = (s);                        \
-    if (ARROW_PREDICT_FALSE(!_s.ok())) { exit(-1); } \
+#define ABORT_NOT_OK(s)                  \
+  do {                                   \
+    ::arrow::Status _s = (s);            \
+    if (ARROW_PREDICT_FALSE(!_s.ok())) { \
+      exit(-1);                          \
+    }                                    \
   } while (0);
 
 namespace arrow {
@@ -85,8 +91,8 @@ void randint(int64_t N, T lower, T upper, std::vector<T>* 
out) {
 }
 
 template <typename T>
-void random_real(
-    int64_t n, uint32_t seed, T min_value, T max_value, std::vector<T>* out) {
+void random_real(int64_t n, uint32_t seed, T min_value, T max_value,
+                 std::vector<T>* out) {
   std::mt19937 gen(seed);
   std::uniform_real_distribution<T> d(min_value, max_value);
   for (int64_t i = 0; i < n; ++i) {
@@ -96,13 +102,13 @@ void random_real(
 
 template <typename T>
 std::shared_ptr<Buffer> GetBufferFromVector(const std::vector<T>& values) {
-  return std::make_shared<Buffer>(
-      reinterpret_cast<const uint8_t*>(values.data()), values.size() * 
sizeof(T));
+  return std::make_shared<Buffer>(reinterpret_cast<const 
uint8_t*>(values.data()),
+                                  values.size() * sizeof(T));
 }
 
 template <typename T>
-inline Status CopyBufferFromVector(
-    const std::vector<T>& values, MemoryPool* pool, std::shared_ptr<Buffer>* 
result) {
+inline Status CopyBufferFromVector(const std::vector<T>& values, MemoryPool* 
pool,
+                                   std::shared_ptr<Buffer>* result) {
   int64_t nbytes = static_cast<int>(values.size()) * sizeof(T);
 
   auto buffer = std::make_shared<PoolBuffer>(pool);
@@ -114,8 +120,8 @@ inline Status CopyBufferFromVector(
 }
 
 template <typename T>
-static inline Status GetBitmapFromVector(
-    const std::vector<T>& is_valid, std::shared_ptr<Buffer>* result) {
+static inline Status GetBitmapFromVector(const std::vector<T>& is_valid,
+                                         std::shared_ptr<Buffer>* result) {
   size_t length = is_valid.size();
 
   std::shared_ptr<MutableBuffer> buffer;
@@ -123,7 +129,9 @@ static inline Status GetBitmapFromVector(
 
   uint8_t* bitmap = buffer->mutable_data();
   for (size_t i = 0; i < static_cast<size_t>(length); ++i) {
-    if (is_valid[i]) { BitUtil::SetBit(bitmap, i); }
+    if (is_valid[i]) {
+      BitUtil::SetBit(bitmap, i);
+    }
   }
 
   *result = buffer;
@@ -139,8 +147,8 @@ static inline void random_null_bytes(int64_t n, double 
pct_null, uint8_t* null_b
   }
 }
 
-static inline void random_is_valid(
-    int64_t n, double pct_null, std::vector<bool>* is_valid) {
+static inline void random_is_valid(int64_t n, double pct_null,
+                                   std::vector<bool>* is_valid) {
   Random rng(random_seed());
   for (int64_t i = 0; i < n; ++i) {
     is_valid->push_back(rng.NextDoubleFraction() > pct_null);
@@ -178,24 +186,28 @@ void rand_uniform_int(int64_t n, uint32_t seed, T 
min_value, T max_value, T* out
 static inline int64_t null_count(const std::vector<uint8_t>& valid_bytes) {
   int64_t result = 0;
   for (size_t i = 0; i < valid_bytes.size(); ++i) {
-    if (valid_bytes[i] == 0) { ++result; }
+    if (valid_bytes[i] == 0) {
+      ++result;
+    }
   }
   return result;
 }
 
 Status MakeRandomInt32PoolBuffer(int64_t length, MemoryPool* pool,
-    std::shared_ptr<PoolBuffer>* pool_buffer, uint32_t seed = 0) {
+                                 std::shared_ptr<PoolBuffer>* pool_buffer,
+                                 uint32_t seed = 0) {
   DCHECK(pool);
   auto data = std::make_shared<PoolBuffer>(pool);
   RETURN_NOT_OK(data->Resize(length * sizeof(int32_t)));
   test::rand_uniform_int(length, seed, 0, std::numeric_limits<int32_t>::max(),
-      reinterpret_cast<int32_t*>(data->mutable_data()));
+                         reinterpret_cast<int32_t*>(data->mutable_data()));
   *pool_buffer = data;
   return Status::OK();
 }
 
 Status MakeRandomBytePoolBuffer(int64_t length, MemoryPool* pool,
-    std::shared_ptr<PoolBuffer>* pool_buffer, uint32_t seed = 0) {
+                                std::shared_ptr<PoolBuffer>* pool_buffer,
+                                uint32_t seed = 0) {
   auto bytes = std::make_shared<PoolBuffer>(pool);
   RETURN_NOT_OK(bytes->Resize(length));
   test::random_bytes(length, seed, bytes->mutable_data());
@@ -207,8 +219,8 @@ Status MakeRandomBytePoolBuffer(int64_t length, MemoryPool* 
pool,
 
 template <typename TYPE, typename C_TYPE>
 void ArrayFromVector(const std::shared_ptr<DataType>& type,
-    const std::vector<bool>& is_valid, const std::vector<C_TYPE>& values,
-    std::shared_ptr<Array>* out) {
+                     const std::vector<bool>& is_valid, const 
std::vector<C_TYPE>& values,
+                     std::shared_ptr<Array>* out) {
   MemoryPool* pool = default_memory_pool();
   typename TypeTraits<TYPE>::BuilderType builder(pool, type);
   for (size_t i = 0; i < values.size(); ++i) {
@@ -223,7 +235,7 @@ void ArrayFromVector(const std::shared_ptr<DataType>& type,
 
 template <typename TYPE, typename C_TYPE>
 void ArrayFromVector(const std::vector<bool>& is_valid, const 
std::vector<C_TYPE>& values,
-    std::shared_ptr<Array>* out) {
+                     std::shared_ptr<Array>* out) {
   MemoryPool* pool = default_memory_pool();
   typename TypeTraits<TYPE>::BuilderType builder(pool);
   for (size_t i = 0; i < values.size(); ++i) {
@@ -248,7 +260,7 @@ void ArrayFromVector(const std::vector<C_TYPE>& values, 
std::shared_ptr<Array>*
 
 template <class T, class Builder>
 Status MakeArray(const std::vector<uint8_t>& valid_bytes, const 
std::vector<T>& values,
-    int64_t size, Builder* builder, std::shared_ptr<Array>* out) {
+                 int64_t size, Builder* builder, std::shared_ptr<Array>* out) {
   // Append the first 1000
   for (int64_t i = 0; i < size; ++i) {
     if (valid_bytes[i] > 0) {

http://git-wip-us.apache.org/repos/asf/arrow/blob/07b89bf3/cpp/src/arrow/type-test.cc
----------------------------------------------------------------------
diff --git a/cpp/src/arrow/type-test.cc b/cpp/src/arrow/type-test.cc
index 7f3adef..6b86b4d 100644
--- a/cpp/src/arrow/type-test.cc
+++ b/cpp/src/arrow/type-test.cc
@@ -345,16 +345,16 @@ TEST(TestTimestampType, ToString) {
 }
 
 TEST(TestNestedType, Equals) {
-  auto create_struct = [](
-      std::string inner_name, std::string struct_name) -> shared_ptr<Field> {
+  auto create_struct = [](std::string inner_name,
+                          std::string struct_name) -> shared_ptr<Field> {
     auto f_type = field(inner_name, int32());
     vector<shared_ptr<Field>> fields = {f_type};
     auto s_type = std::make_shared<StructType>(fields);
     return field(struct_name, s_type);
   };
 
-  auto create_union = [](
-      std::string inner_name, std::string union_name) -> shared_ptr<Field> {
+  auto create_union = [](std::string inner_name,
+                         std::string union_name) -> shared_ptr<Field> {
     auto f_type = field(inner_name, int32());
     vector<shared_ptr<Field>> fields = {f_type};
     vector<uint8_t> codes = {Type::INT32};

Reply via email to