greenplumn pg_rewind 源码
greenplumn pg_rewind 代码
文件路径：/src/bin/pg_rewind/pg_rewind.h
/*-------------------------------------------------------------------------
*
* pg_rewind.h
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
*-------------------------------------------------------------------------
*/
#ifndef PG_REWIND_H
#define PG_REWIND_H
#include "datapagemap.h"
#include "access/timeline.h"
#include "common/logging.h"
#include "libpq-fe.h"
#include "storage/block.h"
#include "storage/relfilenode.h"
/* Configuration options */
extern char *datadir_target;
extern char *datadir_source;
extern char *connstr_source;
extern bool showprogress;
extern bool dry_run;
extern int WalSegSz;
extern int32 dbid_target;
extern const char *progname;
/* Target history */
extern TimeLineHistoryEntry *targetHistory;
extern int targetNentries;
/* general state */
extern PGconn *conn;
/* Progress counters */
extern uint64 fetch_size;
extern uint64 fetch_done;
/* logging support */
#define pg_fatal(...) do { pg_log_fatal(__VA_ARGS__); exit(1); } while(0)
/* in parsexlog.c */
extern void extractPageMap(const char *datadir, XLogRecPtr startpoint,
int tliIndex, XLogRecPtr endpoint);
extern void findLastCheckpoint(const char *datadir, XLogRecPtr searchptr,
int tliIndex,
XLogRecPtr *lastchkptrec, TimeLineID *lastchkpttli,
XLogRecPtr *lastchkptredo);
extern XLogRecPtr readOneRecord(const char *datadir, XLogRecPtr ptr,
int tliIndex);
/* in pg_rewind.c */
extern void progress_report(bool force);
/* in timeline.c */
extern TimeLineHistoryEntry *rewind_parseTimeLineHistory(char *buffer,
TimeLineID targetTLI,
int *nentries);
#endif /* PG_REWIND_H */
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