53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef OCEANBASE_STORAGE_OB_VALUE_ROW_ITERATOR_
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#define OCEANBASE_STORAGE_OB_VALUE_ROW_ITERATOR_
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#include "lib/allocator/page_arena.h"
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#include "lib/hash/ob_placement_hashmap.h"
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#include "lib/container/ob_se_array.h"
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#include "lib/allocator/page_arena.h"
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#include "common/row/ob_row_iterator.h"
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#include "common/rowkey/ob_rowkey.h"
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#include "storage/ob_i_store.h"
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namespace oceanbase {
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namespace storage {
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class ObValueRowIterator : public common::ObNewRowIterator {
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static const int64_t DEFAULT_ROW_NUM = 2;
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typedef common::ObSEArray<common::ObNewRow, DEFAULT_ROW_NUM> RowArray;
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public:
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ObValueRowIterator();
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virtual ~ObValueRowIterator();
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virtual int init(bool unique);
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virtual int get_next_row(common::ObNewRow*& row);
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virtual int get_next_rows(common::ObNewRow*& rows, int64_t& row_count);
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virtual int add_row(common::ObNewRow& row);
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virtual void reset();
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private:
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bool is_inited_;
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bool unique_;
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common::ObArenaAllocator allocator_;
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RowArray rows_;
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int64_t cur_idx_;
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private:
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DISALLOW_COPY_AND_ASSIGN(ObValueRowIterator);
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};
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} // end namespace storage
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} // end namespace oceanbase
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#endif // OCEANBASE_STORAGE_OB_VALUE_ROW_ITERATOR_
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