Fix some problems on 32-bit systems.

Alexander Korotkov · Alexander Korotkov · commit 562777635df4 · 2016-11-14T13:57:08.000+03:00
diff --git a/src/backend/bootstrap/bootstrap.c b/src/backend/bootstrap/bootstrap.c
@@ -124,7 +124,7 @@ static const struct typinfo TypInfo[] = {
 	F_OIDIN, F_OIDOUT},
 	{"tid", TIDOID, 0, 6, false, 's', 'p', InvalidOid,
 	F_TIDIN, F_TIDOUT},
-	{"xid", XIDOID, 0, 8, true, 'd', 'p', InvalidOid,
+	{"xid", XIDOID, 0, 8, FLOAT8PASSBYVAL, 'd', 'p', InvalidOid,
 	F_XIDIN, F_XIDOUT},
 	{"cid", CIDOID, 0, 4, true, 'i', 'p', InvalidOid,
 	F_CIDIN, F_CIDOUT},
diff --git a/src/include/postgres.h b/src/include/postgres.h
@@ -533,7 +533,7 @@ typedef Datum *DatumPtr;
  *		Returns datum representation for a multixact identifier.
  */
 
-#define MultiXactIdGetDatum(X) ((Datum) (X))
+#define MultiXactIdGetDatum(X) (UInt64GetDatum(X))
 
 /*
  * DatumGetCommandId
