diff options
Diffstat (limited to 'src/backend/utils/adt/pg_lsn.c')
| -rw-r--r-- | src/backend/utils/adt/pg_lsn.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/backend/utils/adt/pg_lsn.c b/src/backend/utils/adt/pg_lsn.c index 4c329a8d8fe..b4c6c2309cf 100644 --- a/src/backend/utils/adt/pg_lsn.c +++ b/src/backend/utils/adt/pg_lsn.c @@ -171,6 +171,24 @@ pg_lsn_ge(PG_FUNCTION_ARGS) PG_RETURN_BOOL(lsn1 >= lsn2); } +Datum +pg_lsn_larger(PG_FUNCTION_ARGS) +{ + XLogRecPtr lsn1 = PG_GETARG_LSN(0); + XLogRecPtr lsn2 = PG_GETARG_LSN(1); + + PG_RETURN_LSN((lsn1 > lsn2) ? lsn1 : lsn2); +} + +Datum +pg_lsn_smaller(PG_FUNCTION_ARGS) +{ + XLogRecPtr lsn1 = PG_GETARG_LSN(0); + XLogRecPtr lsn2 = PG_GETARG_LSN(1); + + PG_RETURN_LSN((lsn1 < lsn2) ? lsn1 : lsn2); +} + /* btree index opclass support */ Datum pg_lsn_cmp(PG_FUNCTION_ARGS) |