Files
openGauss-server/src/include/replication/parallel_decode.h
2023-12-13 15:39:36 +08:00

69 lines
2.4 KiB
C

/*
* Copyright (c) 2020 Huawei Technologies Co.,Ltd.
*
* 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.
* ---------------------------------------------------------------------------------------
*
* IDENTIFICATION
* src/include/replication/parallel_decode.h
*
* ---------------------------------------------------------------------------------------
*/
#ifndef PARALLELDECODE_H
#define PARALLELDECODE_H
#include "postgres.h"
#include "knl/knl_variable.h"
#include "access/heapam.h"
#include "access/transam.h"
#include "access/xact.h"
#include "access/xlog_internal.h"
#include "access/xlogreader.h"
#include "storage/standby.h"
#include "utils/memutils.h"
#include "utils/relfilenodemap.h"
#include "replication/decode.h"
#include "replication/logical.h"
#include "replication/reorderbuffer.h"
#include "replication/snapbuild.h"
#include "replication/parallel_reorderbuffer.h"
#include "catalog/pg_control.h"
typedef enum {
NOT_DECODE_THREAD,
DECODE_THREAD_EXIT_NORMAL,
DECODE_THREAD_EXIT_ABNORMAL,
} DECODEExitStatus;
extern logicalLog* ParallelDecodeChange(ParallelReorderBufferChange* change, ParallelLogicalDecodingContext* ctx,
ParallelDecodeWorker *worker);
extern void parallel_decode_change_to_json(Relation relation, ParallelReorderBufferChange* change,
logicalLog *logChange, ParallelLogicalDecodingContext* ctx, int slotId);
extern void parallel_decode_change_to_text(Relation relation, ParallelReorderBufferChange* change,
logicalLog *logChange, ParallelLogicalDecodingContext* ctx, int slotId);
extern void parallel_decode_change_to_bin(Relation relation, ParallelReorderBufferChange* change,
logicalLog *logChange, ParallelLogicalDecodingContext* ctx, int slotId);
extern int GetDecodeParallelism(int slotId);
extern ParallelReorderBufferTXN *ParallelReorderBufferGetOldestTXN(ParallelReorderBuffer *rb);
extern logicalLog* GetLogicalLog(ParallelDecodeWorker *worker);
Snapshot GetLocalSnapshot(MemoryContext ctx);
#endif