1 files changed, 22 insertions, 0 deletions
diff --git a/src/include/utils/xid8.h b/src/include/utils/xid8.h
new file mode 100644
index 0000000..288e62d
--- /dev/null
+++ b/src/include/utils/xid8.h
@@ -0,0 +1,22 @@
+/*-------------------------------------------------------------------------
+ *
+ * xid8.h
+ *	  Header file for the "xid8" ADT.
+ *
+ * Copyright (c) 2020, PostgreSQL Global Development Group
+ *
+ * src/include/utils/xid8.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef XID8_H
+#define XID8_H
+
+#include "access/transam.h"
+
+#define DatumGetFullTransactionId(X) (FullTransactionIdFromU64(DatumGetUInt64(X)))
+#define FullTransactionIdGetDatum(X) (UInt64GetDatum(U64FromFullTransactionId(X)))
+#define PG_GETARG_FULLTRANSACTIONID(X) DatumGetFullTransactionId(PG_GETARG_DATUM(X))
+#define PG_RETURN_FULLTRANSACTIONID(X) return FullTransactionIdGetDatum(X)
+
+#endif							/* XID8_H */