Coerce type of NULL pointer return to suppress gcc compiler warnings.

diff --git a/src/backend/access/common/heaptuple.c b/src/backend/access/common/heaptuple.c
index 78f92190a2f522e4130078585a963e89345cf2a6..f124e564673cbacf5e14197b72fa3a6ea8657b6e 100644 (file)
--- a/src/backend/access/common/heaptuple.c
+++ b/src/backend/access/common/heaptuple.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *   $Header: /cvsroot/pgsql/src/backend/access/common/heaptuple.c,v 1.26 1997/09/18 20:19:36 momjian Exp $
+ *   $Header: /cvsroot/pgsql/src/backend/access/common/heaptuple.c,v 1.27 1997/09/24 17:44:24 thomas Exp $
  *
  * NOTES
  *   The old interface functions have been converted to macros
@@ -424,7 +424,7 @@ heap_getsysattr(HeapTuple tup, Buffer b, int attnum)
        default:
            elog(WARN, "heap_getsysattr: undefined attnum %d", attnum);
    }
-   return (NULL);
+   return ((Datum) NULL);
 }
 
 /* ----------------
@@ -517,7 +517,7 @@ fastgetattr(HeapTuple tup,
        {
            if (isnull)
                *isnull = true;
-           return NULL;
+           return (Datum) NULL;
        }
 
        /* ----------------

diff --git a/src/backend/executor/spi.c b/src/backend/executor/spi.c
index 12a511be27e5565f46e7dde285ac6b55594c7b1c..6a3d1485158fabe0aedd9077a2bc74a7efb69ed4 100644 (file)
--- a/src/backend/executor/spi.c
+++ b/src/backend/executor/spi.c
@@ -437,7 +437,7 @@ SPI_getbinval(HeapTuple tuple, TupleDesc tupdesc, int fnumber, bool * isnull)
    *isnull = true;
    SPI_result = 0;
    if (tuple->t_natts < fnumber || fnumber <= 0)
-       return (NULL);
+       return ((Datum) NULL);
 
    val = heap_getattr(tuple, InvalidBuffer, fnumber, tupdesc, isnull);