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/*-------------------------------------------------------------------------
*
* pg_lsn.h
* Declarations for operations on log sequence numbers (LSNs) of
* PostgreSQL.
*
*
* Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/utils/pg_lsn.h
*
*-------------------------------------------------------------------------
*/
#ifndef PG_LSN_H
#define PG_LSN_H
#include "access/xlogdefs.h"
#include "fmgr.h"
static inline XLogRecPtr
DatumGetLSN(Datum X)
{
return (XLogRecPtr) DatumGetInt64(X);
}
static inline Datum
LSNGetDatum(XLogRecPtr X)
{
return Int64GetDatum((int64) X);
}
#define PG_GETARG_LSN(n) DatumGetLSN(PG_GETARG_DATUM(n))
#define PG_RETURN_LSN(x) return LSNGetDatum(x)
extern XLogRecPtr pg_lsn_in_internal(const char *str, bool *have_error);
#endif /* PG_LSN_H */