greenplumn replnodes 源码
greenplumn replnodes 代码
文件路径：/src/include/nodes/replnodes.h
/*-------------------------------------------------------------------------
*
* replnodes.h
* definitions for replication grammar parse nodes
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/nodes/replnodes.h
*
*-------------------------------------------------------------------------
*/
#ifndef REPLNODES_H
#define REPLNODES_H
#include "access/xlogdefs.h"
#include "nodes/pg_list.h"
typedef enum ReplicationKind
{
REPLICATION_KIND_PHYSICAL,
REPLICATION_KIND_LOGICAL
} ReplicationKind;
/* ----------------------
* IDENTIFY_SYSTEM command
* ----------------------
*/
typedef struct IdentifySystemCmd
{
NodeTag type;
} IdentifySystemCmd;
/* ----------------------
* BASE_BACKUP command
* ----------------------
*/
typedef struct BaseBackupCmd
{
NodeTag type;
List *options;
} BaseBackupCmd;
/* ----------------------
* CREATE_REPLICATION_SLOT command
* ----------------------
*/
typedef struct CreateReplicationSlotCmd
{
NodeTag type;
char *slotname;
ReplicationKind kind;
char *plugin;
bool temporary;
List *options;
} CreateReplicationSlotCmd;
/* ----------------------
* DROP_REPLICATION_SLOT command
* ----------------------
*/
typedef struct DropReplicationSlotCmd
{
NodeTag type;
char *slotname;
bool wait;
} DropReplicationSlotCmd;
/* ----------------------
* START_REPLICATION command
* ----------------------
*/
typedef struct StartReplicationCmd
{
NodeTag type;
ReplicationKind kind;
char *slotname;
TimeLineID timeline;
XLogRecPtr startpoint;
List *options;
} StartReplicationCmd;
/* ----------------------
* TIMELINE_HISTORY command
* ----------------------
*/
typedef struct TimeLineHistoryCmd
{
NodeTag type;
TimeLineID timeline;
} TimeLineHistoryCmd;
/* ----------------------
* SQL commands
* ----------------------
*/
typedef struct SQLCmd
{
NodeTag type;
} SQLCmd;
#endif /* REPLNODES_H */
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