44fc2f09f5
Co-authored-by: z404289981 <z404289981@163.com> Co-authored-by: XIAO-HOU <372060054@qq.com> Co-authored-by: wudidapaopao <664920313@qq.com>
65 lines
2.0 KiB
C++
65 lines
2.0 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 OB_STORAGE_OB_SSTABLE_ROW_MULTI_GETTER_H_
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#define OB_STORAGE_OB_SSTABLE_ROW_MULTI_GETTER_H_
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#include "storage/blocksstable/ob_micro_block_row_getter.h"
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#include "ob_index_tree_prefetcher.h"
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namespace oceanbase {
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namespace storage {
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class ObSSTableRowMultiGetter : public ObStoreRowIterator
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{
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public:
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ObSSTableRowMultiGetter() :
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ObStoreRowIterator(),
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sstable_(nullptr),
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iter_param_(nullptr),
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access_ctx_(nullptr),
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prefetcher_(),
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macro_block_reader_(nullptr),
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is_opened_(false),
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micro_getter_(nullptr)
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{
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type_ = ObStoreRowIterator::IteratorMultiGet;
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}
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virtual ~ObSSTableRowMultiGetter();
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virtual void reset() override;
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virtual void reuse() override;
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virtual void reclaim() override;
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TO_STRING_KV(K_(is_opened), K_(prefetcher), KP_(macro_block_reader));
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protected:
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int inner_open(
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const ObTableIterParam &access_param,
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ObTableAccessContext &access_ctx,
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ObITable *table,
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const void *query_range) final;
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virtual int inner_get_next_row(const blocksstable::ObDatumRow *&store_row);
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virtual int fetch_row(ObSSTableReadHandle &read_handle, const blocksstable::ObDatumRow *&store_row);
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protected:
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ObSSTable *sstable_;
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const ObTableIterParam *iter_param_;
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ObTableAccessContext *access_ctx_;
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ObIndexTreeMultiPrefetcher prefetcher_;
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ObMacroBlockReader *macro_block_reader_;
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private:
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bool is_opened_;
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blocksstable::ObMicroBlockRowGetter *micro_getter_;
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};
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}
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}
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#endif //OB_STORAGE_OB_SSTABLE_ROW_MULTI_GETTER_H_
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