1 files changed, 14 insertions, 0 deletions
diff --git a/src/include/postgres.h b/src/include/postgres.h
index a8a206d988b..e72d5fca2b1 100644
--- a/src/include/postgres.h
+++ b/src/include/postgres.h
@@ -484,6 +484,20 @@ typedef Datum *DatumPtr;
 #define ObjectIdGetDatum(X) ((Datum) SET_4_BYTES(X))
 
 /*
+ * DatumGetPgLsn
+ *		Returns PostgreSQL log sequence number of a datum.
+ */
+
+#define DatumGetPgLsn(X) ((XLogRecPtr) GET_8_BYTES(X))
+
+/*
+ * PG_LSNGetDatum
+ *		Returns datum representation for a PostgreSQL log sequence number.
+ */
+
+#define PgLsnGetDatum(X) ((Datum) SET_8_BYTES(X))
+
+/*
  * DatumGetTransactionId
  *		Returns transaction identifier value of a datum.
  */