be/src/runtime/buffered-tuple-stream.inline.h

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
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#ifndef IMPALA_RUNTIME_TUPLE_BUFFERED_STREAM_INLINE_H
#define IMPALA_RUNTIME_TUPLE_BUFFERED_STREAM_INLINE_H

#include "runtime/buffered-tuple-stream.h"

#include "runtime/descriptors.h"
#include "runtime/tuple-row.h"

namespace impala {

inline bool BufferedTupleStream::AddRow(TupleRow* row, Status* status) noexcept {
  DCHECK(!closed_);
  if (LIKELY(DeepCopy(row))) return true;
  return AddRowSlow(row, status);
}

inline uint8_t* BufferedTupleStream::AllocateRow(int fixed_size, int varlen_size,
    uint8_t** varlen_data, Status* status) {
  DCHECK(!closed_);
  DCHECK(!has_nullable_tuple_) << "AllocateRow does not support nullable tuples";
  const int total_size = fixed_size + varlen_size;
  if (UNLIKELY(write_block_ == NULL || write_block_bytes_remaining() < total_size)) {
    bool got_block;
    *status = NewWriteBlockForRow(total_size, &got_block);
    if (!status->ok() || !got_block) return NULL;
  }
  DCHECK(write_block_ != NULL);
  DCHECK(write_block_->is_pinned());
  DCHECK_GE(write_block_bytes_remaining(), total_size);
  ++num_rows_;
  write_block_->AddRow();

  uint8_t* fixed_data = write_ptr_;
  write_ptr_ += fixed_size;
  *varlen_data = write_ptr_;
  write_ptr_ += varlen_size;
  return fixed_data;
}

}

#endif