columnar_scan_batch.h

// Licensed to the Apache Software Foundation (ASF) under one
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// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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// software distributed under the License is distributed on an
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#ifndef KUDU_CLIENT_COLUMNAR_SCAN_BATCH_H
#define KUDU_CLIENT_COLUMNAR_SCAN_BATCH_H
 
#ifdef KUDU_HEADERS_NO_STUBS
#include "kudu/gutil/macros.h"
#else
#include "kudu/client/stubs.h"
#endif
 
#include "kudu/util/kudu_export.h"
#include "kudu/util/status.h"
 
namespace kudu {
class Slice;
 
namespace client {

class KUDU_EXPORT KuduColumnarScanBatch {
 public:
  KuduColumnarScanBatch();
  ~KuduColumnarScanBatch();

  int NumRows() const;

  Status GetFixedLengthColumn(int idx, Slice* data) const;

  Status GetVariableLengthColumn(int idx, Slice* offsets, Slice* data) const;

  Status GetNonNullBitmapForColumn(int idx, Slice* data) const;
 
 private:
  class KUDU_NO_EXPORT Data;
 
  friend class KuduScanner;
 
  Data* data_;
  DISALLOW_COPY_AND_ASSIGN(KuduColumnarScanBatch);
};
 
 
} // namespace client
} // namespace kudu
 
#endif