566e920620
Co-authored-by: wangt1xiuyi <13547954130@163.com> Co-authored-by: yangqise7en <877793735@qq.com> Co-authored-by: Zach41 <zach_41@163.com>
95 lines
3.1 KiB
C++
95 lines
3.1 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 "access/ob_table_access_param.h"
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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 "storage/ob_i_store.h"
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#include "storage/access/ob_dml_param.h"
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#include "blocksstable/ob_datum_rowkey.h"
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namespace oceanbase
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{
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namespace storage
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{
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class ObTablet;
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class ObValueRowIterator : public common::ObNewRowIterator
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{
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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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class ObSingleMerge;
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class ObSingleRowGetter
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{
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typedef common::ObFixedArray<int32_t, common::ObIAllocator> Projector;
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public:
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ObSingleRowGetter(common::ObIAllocator &allocator, ObTablet &tablet);
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~ObSingleRowGetter();
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int init_dml_access_ctx(
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ObStoreCtx &store_ctx,
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const ObDMLBaseParam &dml_param,
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bool skip_read_lob = false);
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int init_dml_access_param(
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ObRelativeTable &data_table,
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const ObDMLBaseParam &dml_param,
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const common::ObIArray<uint64_t> &out_col_ids,
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const bool skip_read_lob = false);
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ObTableAccessParam &get_access_param() { return access_param_; }
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ObTableAccessContext &get_access_ctx() { return access_ctx_; }
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void set_relative_table(ObRelativeTable *relative_table) { relative_table_ = relative_table; }
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int open(const blocksstable::ObDatumRowkey &rowkey, bool use_fuse_row_cache = false);
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int get_next_row(common::ObNewRow *&row);
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private:
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int create_table_param();
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private:
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ObTablet *tablet_;
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ObSingleMerge *single_merge_;
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ObStoreCtx *store_ctx_;
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Projector output_projector_;
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ObTableAccessParam access_param_;
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ObTableAccessContext access_ctx_;
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ObGetTableParam get_table_param_;
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ObRelativeTable *relative_table_;
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share::schema::ObTableParam *table_param_;
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common::ObIAllocator &allocator_;
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blocksstable::ObNewRowBuilder new_row_builder_;
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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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