merged

BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
client/Makefile.am:
  Auto merged
client/mysqlbinlog.cc:
  Auto merged
configure.in:
  Auto merged
include/my_time.h:
  Auto merged
innobase/fil/fil0fil.c:
  Auto merged
innobase/include/fil0fil.h:
  Auto merged
libmysql/libmysql.c:
  Auto merged
mysql-test/r/func_group.result:
  Auto merged
mysql-test/r/func_str.result:
  Auto merged
mysql-test/r/func_time.result:
  Auto merged
mysql-test/r/union.result:
  Auto merged
mysql-test/t/func_group.test:
  Auto merged
mysql-test/t/func_time.test:
  Auto merged
sql/field.cc:
  Auto merged
sql/ha_ndbcluster.h:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/item_sum.h:
  Auto merged
sql/item_timefunc.cc:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
tests/client_test.c:
  Auto merged

include/my_time.h

@@ -64,14 +64,15 @@ void init_time(void);
 my_time_t 
 my_system_gmt_sec(const MYSQL_TIME *t, long *my_timezone, bool *in_dst_time_gap);
 
-void set_zero_time(MYSQL_TIME *tm);
+void set_zero_time(MYSQL_TIME *tm, enum enum_mysql_timestamp_type time_type);
 
 /*
   Required buffer length for my_time_to_str, my_date_to_str,
   my_datetime_to_str and TIME_to_string functions. Note, that the
   caller is still responsible to check that given TIME structure
   has values in valid ranges, otherwise size of the buffer could
-  be not enough.
+  be not enough. We also rely on the fact that even wrong values
+  sent using binary protocol fit in this buffer.
 */
 #define MAX_DATE_STRING_REP_LENGTH 30