lsm_table_engine.h

/* Copyright (c) 2021 Xie Meiyi(xiemeiyi@hust.edu.cn) and OceanBase and/or its affiliates. All rights reserved.
miniob is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:
         http://license.coscl.org.cn/MulanPSL2
THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details. */
 
#pragma once
 
#include "storage/table/table_engine.h"
#include "storage/index/index.h"
#include "storage/record/record_manager.h"
#include "storage/db/db.h"
#include "oblsm/include/ob_lsm.h"
using namespace oceanbase;
 
class LsmTableEngine : public TableEngine
{
public:
  LsmTableEngine(TableMeta *table_meta, Db *db, Table *table)
      : TableEngine(table_meta), db_(db), table_(table), lsm_(db->lsm())
  {}
  ~LsmTableEngine() override = default;
 
  RC insert_record(Record &record) override;
  RC delete_record(const Record &record) override { return RC::UNIMPLEMENTED; }
  RC insert_record_with_trx(Record &record, Trx *trx) override { return RC::UNIMPLEMENTED; }
  RC delete_record_with_trx(const Record &record, Trx *trx) override { return RC::UNIMPLEMENTED; }
  RC update_record_with_trx(const Record &old_record, const Record &new_record, Trx *trx) override
  {
    return RC::UNIMPLEMENTED;
  }
  RC get_record(const RID &rid, Record &record) override { return RC::UNIMPLEMENTED; }
 
  RC create_index(Trx *trx, const FieldMeta *field_meta, const char *index_name) override { return RC::UNIMPLEMENTED; }
  RC get_record_scanner(RecordScanner *&scanner, Trx *trx, ReadWriteMode mode) override;
  RC get_chunk_scanner(ChunkFileScanner &scanner, Trx *trx, ReadWriteMode mode) override { return RC::UNIMPLEMENTED; }
  RC visit_record(const RID &rid, function<bool(Record &)> visitor) override { return RC::UNIMPLEMENTED; }
  // TODO:
  RC     sync() override { return RC::SUCCESS; }
  Index *find_index(const char *index_name) const override { return nullptr; }
  Index *find_index_by_field(const char *field_name) const override { return nullptr; }
  RC     open() override;
  RC     init() override { return RC::UNIMPLEMENTED; }
 
private:
  Db              *db_;
  Table           *table_;
  ObLsm           *lsm_;
  atomic<uint64_t> inc_id_{0};
};