* ----------------
*/
-DATA(insert OID = 100 ( default PGNSP PGUID d -1 "" "" 0 ));
+DATA(insert OID = 100 ( default PGNSP PGUID d -1 "" "" _null_ ));
DESCR("database's default collation");
#define DEFAULT_COLLATION_OID 100
-DATA(insert OID = 950 ( C PGNSP PGUID c -1 "C" "C" 0 ));
+DATA(insert OID = 950 ( C PGNSP PGUID c -1 "C" "C" _null_ ));
DESCR("standard C collation");
#define C_COLLATION_OID 950
-DATA(insert OID = 951 ( POSIX PGNSP PGUID c -1 "POSIX" "POSIX" 0 ));
+DATA(insert OID = 951 ( POSIX PGNSP PGUID c -1 "POSIX" "POSIX" _null_ ));
DESCR("standard POSIX collation");
#define POSIX_COLLATION_OID 951