diff --git a/configure.in b/configure.in
index 12c31b33d1b..9591b5bbc5a 100644
--- a/configure.in
+++ b/configure.in
@@ -7,7 +7,7 @@ AC_INIT(sql/mysqld.cc)
 AC_CANONICAL_SYSTEM
 # The Docs Makefile.am parses this line!
 # remember to also change ndb version below and update version.c in ndb
-AM_INIT_AUTOMAKE(mysql, 5.0.78)
+AM_INIT_AUTOMAKE(mysql, 5.0.79)
 AM_CONFIG_HEADER([include/config.h:config.h.in])
 
 PROTOCOL_VERSION=10
@@ -23,7 +23,7 @@ NDB_SHARED_LIB_VERSION=$NDB_SHARED_LIB_MAJOR_VERSION:0:0
 # ndb version
 NDB_VERSION_MAJOR=5
 NDB_VERSION_MINOR=0
-NDB_VERSION_BUILD=78
+NDB_VERSION_BUILD=79
 NDB_VERSION_STATUS=""
 
 # Set all version vars based on $VERSION. How do we do this more elegant ?
diff --git a/mysql-test/r/func_sapdb.result b/mysql-test/r/func_sapdb.result
index a06d7004908..3a8515c8831 100644
--- a/mysql-test/r/func_sapdb.result
+++ b/mysql-test/r/func_sapdb.result
@@ -268,3 +268,17 @@ timediff('2008-09-29 20:10:10','2008-09-30 20:10:10')<time('00:00:00')
 SELECT CAST(time('-73:42:12') AS DECIMAL);
 CAST(time('-73:42:12') AS DECIMAL)
 -734212
+SELECT TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1Eq,
+TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1NEq1,
+TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1NEq2,
+TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))=     '00:00:00'  AS 2Eq,
+TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))=     '00:00:00'  AS 2NEq1,
+TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))=     '00:00:00'  AS 2NEq2,
+TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))=TIME(0)          AS 3Eq,
+TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))=TIME(0)          AS 3NEq1,
+TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))=TIME(0)          AS 3NEq2,
+TIME(0) AS Time0, TIME('00:00:00') AS Time00, '00:00:00' AS Literal0000,
+TIMEDIFF(TIME('17:59:00'),TIME('17:00:00')),
+TIMEDIFF(TIME('17:00:00'),TIME('17:59:00'));
+1Eq	1NEq1	1NEq2	2Eq	2NEq1	2NEq2	3Eq	3NEq1	3NEq2	Time0	Time00	Literal0000	TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))	TIMEDIFF(TIME('17:00:00'),TIME('17:59:00'))
+1	0	0	1	0	0	1	0	0	00:00:00	00:00:00	00:00:00	00:59:00	-00:59:00
diff --git a/mysql-test/t/func_sapdb.test b/mysql-test/t/func_sapdb.test
index f37ee0c39f0..1292c475732 100644
--- a/mysql-test/t/func_sapdb.test
+++ b/mysql-test/t/func_sapdb.test
@@ -151,4 +151,22 @@ select timediff('2008-09-29 20:10:10','2008-09-30 20:10:10')<time('00:00:00');
 SELECT CAST(time('-73:42:12') AS DECIMAL);
 
 
+
+#
+# Bug#42525 - TIMEDIFF function
+#
+
+SELECT TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1Eq,
+       TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1NEq1,
+       TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1NEq2,
+       TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))=     '00:00:00'  AS 2Eq,
+       TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))=     '00:00:00'  AS 2NEq1,
+       TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))=     '00:00:00'  AS 2NEq2,
+       TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))=TIME(0)          AS 3Eq,
+       TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))=TIME(0)          AS 3NEq1,
+       TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))=TIME(0)          AS 3NEq2,
+       TIME(0) AS Time0, TIME('00:00:00') AS Time00, '00:00:00' AS Literal0000,
+       TIMEDIFF(TIME('17:59:00'),TIME('17:00:00')),
+       TIMEDIFF(TIME('17:00:00'),TIME('17:59:00'));
+
 # End of 5.0 tests
diff --git a/netware/Makefile.am b/netware/Makefile.am
index 7ad045d433d..0f11ee85eb0 100644
--- a/netware/Makefile.am
+++ b/netware/Makefile.am
@@ -90,7 +90,7 @@ EXTRA_DIST=	$(BUILT_SOURCES) comp_err.def install_test_db.ncf \
 		BUILD/compile-netware-standard BUILD/create-patch \
 		BUILD/cron-build BUILD/crontab BUILD/knetware.imp \
 		BUILD/mwasmnlm BUILD/mwccnlm BUILD/mwenv BUILD/mwldnlm \
-		BUILD/nwbootstrap BUILD/openssl.imp BUILD/save-patch
+		BUILD/nwbuild BUILD/openssl.imp BUILD/save-patch
 
 endif
 
diff --git a/sql/item_timefunc.h b/sql/item_timefunc.h
index 161a77f60b4..2c99d6044af 100644
--- a/sql/item_timefunc.h
+++ b/sql/item_timefunc.h
@@ -398,6 +398,7 @@ public:
   {
     return save_time_in_field(field);
   }
+  longlong val_int() { return val_int_from_decimal(); }
   bool result_as_longlong() { return TRUE; }
 };