0c08e764e0
Offering: openGaussDev More detail: 修复闪回功能未适配GSC导致DDL数据无法丢弃问题 # Conflicts: # src/gausskernel/storage/tcap/tcap_truncate.cpp Match-id-e09ce9c267ac9ae227186b0e7cbc9377b1cfb06a
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
/*
|
|
* Copyright (c) Huawei Technologies Co., Ltd. 2020-2020. All rights reserved.
|
|
*
|
|
* openGauss 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.
|
|
* ---------------------------------------------------------------------------------------
|
|
*
|
|
* knl_localpartdefcache.h
|
|
*
|
|
*
|
|
*
|
|
* IDENTIFICATION
|
|
* src/include/utils/knl_localpartdefcache.h
|
|
*
|
|
* ---------------------------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef KNL_LOCALPARTDEFCACHE_H
|
|
#define KNL_LOCALPARTDEFCACHE_H
|
|
|
|
#include "utils/knl_localbasedefcache.h"
|
|
#include "utils/knl_globalpartdefcache.h"
|
|
#include "utils/relcache.h"
|
|
|
|
class LocalPartDefCache : public LocalBaseDefCache {
|
|
public:
|
|
LocalPartDefCache();
|
|
|
|
void ResetInitFlag()
|
|
{
|
|
m_bucket_list.ResetContent();
|
|
invalid_entries.ResetInitFlag();
|
|
m_global_partdefcache = NULL;
|
|
PartCacheNeedEOXActWork = false;
|
|
m_is_inited = false;
|
|
m_db_id = InvalidOid;
|
|
}
|
|
|
|
void Init();
|
|
void CreateDefBucket()
|
|
{
|
|
LocalBaseDefCache::CreateDefBucket(LOCAL_INIT_PARTCACHE_SIZE);
|
|
}
|
|
Partition SearchPartition(Oid part_id);
|
|
Partition SearchPartitionFromLocal(Oid part_id);
|
|
template <bool insert_into_local>
|
|
Partition SearchPartitionFromGlobalCopy(Oid part_id);
|
|
|
|
void InsertPartitionIntoLocal(Partition part);
|
|
void RemovePartition(Partition part);
|
|
|
|
void InvalidateGlobalPartition(Oid db_oid, Oid part_oid, bool is_commit);
|
|
void InvalidateAll();
|
|
void AtEOXact_PartitionCache(bool isCommit);
|
|
void AtEOSubXact_PartitionCache(bool isCommit, SubTransactionId mySubid, SubTransactionId parentSubid);
|
|
Partition PartitionIdGetPartition(Oid part_oid, StorageType storage_type);
|
|
|
|
public:
|
|
bool PartCacheNeedEOXActWork;
|
|
|
|
private:
|
|
void InsertPartitionIntoGlobal(Partition part, uint32 hash_value);
|
|
void CreateLocalPartEntry(Partition part, Index hash_index);
|
|
void CopyLocalPartition(Partition dest, Partition src);
|
|
Partition RemovePartitionByOid(Oid part_id, Index hash_index);
|
|
LocalPartitionEntry *FindPartitionFromLocal(Oid part_id);
|
|
GlobalPartDefCache *m_global_partdefcache;
|
|
bool m_is_inited;
|
|
};
|
|
|
|
#endif |