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Diffstat (limited to '')
-rw-r--r-- | src/include/utils/pg_lsn.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/include/utils/pg_lsn.h b/src/include/utils/pg_lsn.h new file mode 100644 index 0000000..7b708f1 --- /dev/null +++ b/src/include/utils/pg_lsn.h @@ -0,0 +1,29 @@ +/*------------------------------------------------------------------------- + * + * pg_lsn.h + * Declarations for operations on log sequence numbers (LSNs) of + * PostgreSQL. + * + * + * Portions Copyright (c) 1996-2022, 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" + +#define DatumGetLSN(X) ((XLogRecPtr) DatumGetInt64(X)) +#define LSNGetDatum(X) (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 */ |