/*-------------------------------------------------------------------------
*
* pg_lsn . h
* Declarations for operations on log sequence numbers ( LSNs ) of
* PostgreSQL .
*
*
* Portions Copyright ( c ) 1996 - 2025 , 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 */
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