Make TransactionId use FLOAT8PASSBYVAL.

Alexander Korotkov · Alexander Korotkov · commit cbf5f5fa5efc · 2016-11-14T12:16:16.000+03:00
diff --git a/src/include/catalog/pg_type.h b/src/include/catalog/pg_type.h
@@ -331,7 +331,7 @@ DATA(insert OID = 27 (	tid		   PGNSP PGUID	6 f b U f t \054 0	 0 1010 tidin tido
 DESCR("(block, offset), physical location of tuple");
 #define TIDOID		27
 
-DATA(insert OID = 28 (	xid		   PGNSP PGUID	8 t b U f t \054 0	 0 1011 xidin xidout xidrecv xidsend - - - d p f 0 -1 0 0 _null_ _null_ _null_ ));
+DATA(insert OID = 28 (	xid		   PGNSP PGUID	8 FLOAT8PASSBYVAL b U f t \054 0	 0 1011 xidin xidout xidrecv xidsend - - - d p f 0 -1 0 0 _null_ _null_ _null_ ));
 DESCR("transaction id");
 #define XIDOID 28
 
diff --git a/src/include/postgres.h b/src/include/postgres.h
@@ -519,14 +519,14 @@ typedef Datum *DatumPtr;
  *		Returns transaction identifier value of a datum.
  */
 
-#define DatumGetTransactionId(X) ((TransactionId) (X))
+#define DatumGetTransactionId(X) (DatumGetUInt64(X))
 
 /*
  * TransactionIdGetDatum
  *		Returns datum representation for a transaction identifier.
  */
 
-#define TransactionIdGetDatum(X) ((Datum) (X))
+#define TransactionIdGetDatum(X) (UInt64GetDatum(X))
 
 /*
  * MultiXactIdGetDatum
