sanjibansg commented on code in PR #14758:
URL: https://github.com/apache/arrow/pull/14758#discussion_r1140062709
##########
cpp/src/arrow/util/align_util.h:
##########
@@ -68,19 +68,25 @@ inline BitmapWordAlignParams BitmapWordAlign(const uint8_t*
data, int64_t bit_of
namespace util {
-Result<std::shared_ptr<Array>> EnsureAlignment(const Array& object, int64_t
alignment,
- MemoryPool* memory_pool);
+Result<std::shared_ptr<Buffer>> EnsureAlignment(const std::shared_ptr<Buffer>&
object,
+ int64_t alignment,
+ MemoryPool* memory_pool);
-Result<std::shared_ptr<ChunkedArray>> EnsureAlignment(const ChunkedArray&
object,
- int64_t alignment,
- MemoryPool* memory_pool);
+Result<std::shared_ptr<Array>> EnsureAlignment(const std::shared_ptr<Array>&
object,
+ int64_t alignment,
+ MemoryPool* memory_pool);
-Result<std::shared_ptr<RecordBatch>> EnsureAlignment(const RecordBatch& object,
- int64_t alignment,
- MemoryPool* memory_pool);
+Result<std::shared_ptr<ChunkedArray>> EnsureAlignment(
+ const std::shared_ptr<ChunkedArray>& object, int64_t alignment,
+ MemoryPool* memory_pool);
-Result<std::shared_ptr<Table>> EnsureAlignment(const Table& object, int64_t
alignment,
- MemoryPool* memory_pool);
+Result<std::shared_ptr<RecordBatch>> EnsureAlignment(
+ const std::shared_ptr<RecordBatch>& object, int64_t alignment,
+ MemoryPool* memory_pool);
+
+Result<std::shared_ptr<Table>> EnsureAlignment(const std::shared_ptr<Table>&
object,
Review Comment:
Made the change.
##########
cpp/src/arrow/util/align_util.cc:
##########
@@ -26,56 +26,63 @@ namespace arrow {
namespace util {
-Result<std::shared_ptr<Array>> EnsureAlignment(const Array& object, int64_t
alignment,
+Result<std::shared_ptr<Buffer>> EnsureAlignment(const std::shared_ptr<Buffer>&
object, int64_t alignment,
MemoryPool* memory_pool) {
- std::vector<std::shared_ptr<Buffer>> buffers_ = object.data()->buffers;
+ auto buffer_address = object->address();
+ if ((buffer_address % alignment) != 0) {
+ ARROW_ASSIGN_OR_RAISE(
+ auto new_buffer, AllocateBuffer(object->size(), alignment,
memory_pool));
+ std::memcpy(new_buffer->mutable_data(), object->data(),
object->size());
+ return new_buffer;
+ } else {
+ return object;
+ }
+}
+
+Result<std::shared_ptr<Array>> EnsureAlignment(const std::shared_ptr<Array>&
object, int64_t alignment,
+ MemoryPool* memory_pool) {
+ std::vector<std::shared_ptr<Buffer>> buffers_ = object->data()->buffers;
for (size_t i = 0; i < buffers_.size(); ++i) {
if (buffers_[i]) {
- auto buffer_address = buffers_[i]->address();
- if ((buffer_address % alignment) != 0) {
- ARROW_ASSIGN_OR_RAISE(
- auto new_buffer, AllocateBuffer(buffers_[i]->size(), alignment,
memory_pool));
- std::memcpy(new_buffer->mutable_data(), buffers_[i]->data(),
buffers_[i]->size());
- buffers_[i] = std::move(new_buffer);
+ ARROW_ASSIGN_OR_RAISE(buffers_[i], EnsureAlignment(buffers_[i],
alignment, memory_pool));
}
- }
}
auto new_array_data =
- ArrayData::Make(object.data()->type, object.data()->length,
std::move(buffers_),
- object.data()->GetNullCount(), object.data()->offset);
+ ArrayData::Make(object->data()->type, object->data()->length,
std::move(buffers_),
+ object->data()->GetNullCount(), object->data()->offset);
return MakeArray(new_array_data);
}
-Result<std::shared_ptr<ChunkedArray>> EnsureAlignment(const ChunkedArray&
object,
+Result<std::shared_ptr<ChunkedArray>> EnsureAlignment(const
std::shared_ptr<ChunkedArray>& object,
Review Comment:
Made the change.
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