46 lines
1.4 KiB
C++
46 lines
1.4 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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#include "ob_sstable_row_lock_checker.h"
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using namespace oceanbase::common;
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using namespace oceanbase::blocksstable;
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namespace oceanbase {
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namespace storage {
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ObSSTableRowLockChecker::ObSSTableRowLockChecker() : store_row_(), lock_state_()
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{}
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ObSSTableRowLockChecker::~ObSSTableRowLockChecker()
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{}
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void ObSSTableRowLockChecker::set_row_snapshot(ObStoreRow& row)
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{
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if (row.snapshot_version_ == INT64_MAX) {
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row.snapshot_version_ = sstable_->get_meta().max_merged_trans_version_;
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}
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}
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int ObSSTableRowLockChecker::fetch_row(ObSSTableReadHandle& read_handle, const ObStoreRow*& store_row)
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{
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int ret = OB_SUCCESS;
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int64_t trans_version = 0;
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if (OB_SUCC(check_row_locked(read_handle, lock_state_))) {
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store_row_.snapshot_version_ = lock_state_.trans_version_;
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store_row = &store_row_;
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}
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return ret;
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}
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} // namespace storage
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} // namespace oceanbase
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