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Add a pg_lsn data type, to represent an LSN.

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Robert Haas and Michael Paquier
This commit is contained in:
Robert Haas
2014-02-19 08:35:23 -05:00
parent a222f7fda6
commit 7d03a83f4d
14 changed files with 391 additions and 3 deletions
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34
src/include/utils/pg_lsn.h Normal file
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/*-------------------------------------------------------------------------
*
* pg_lsn.h
* Declarations for operations on log sequence numbers (LSNs) of
* PostgreSQL.
*
*
* Portions Copyright (c) 1996-2014, 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 "fmgr.h"
extern Datum pg_lsn_in(PG_FUNCTION_ARGS);
extern Datum pg_lsn_out(PG_FUNCTION_ARGS);
extern Datum pg_lsn_recv(PG_FUNCTION_ARGS);
extern Datum pg_lsn_send(PG_FUNCTION_ARGS);
extern Datum pg_lsn_eq(PG_FUNCTION_ARGS);
extern Datum pg_lsn_ne(PG_FUNCTION_ARGS);
extern Datum pg_lsn_lt(PG_FUNCTION_ARGS);
extern Datum pg_lsn_gt(PG_FUNCTION_ARGS);
extern Datum pg_lsn_le(PG_FUNCTION_ARGS);
extern Datum pg_lsn_ge(PG_FUNCTION_ARGS);
extern Datum pg_lsn_mi(PG_FUNCTION_ARGS);
#endif /* PG_LSN_H */