merge with 4.0

BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
BUILD/SETUP.sh:
  Auto merged
BUILD/compile-pentium-debug:
  Auto merged
BitKeeper/triggers/post-commit:
  Auto merged
configure.in:
  Auto merged
Docs/manual.texi:
  Auto merged
client/mysql.cc:
  Auto merged
client/mysqldump.c:
  Auto merged
client/mysqltest.c:
  Auto merged
extra/mysql_install.c:
  Auto merged
extra/resolve_stack_dump.c:
  Auto merged
extra/resolveip.c:
  Auto merged
include/my_sys.h:
  Auto merged
include/mysqld_error.h:
  Auto merged
isam/pack_isam.c:
  Auto merged
libmysql/Makefile.shared:
  Auto merged
libmysql/libmysql.c:
  Auto merged
myisam/ft_dump.c:
  Auto merged
myisam/ft_test1.c:
  Auto merged
myisam/ftdefs.h:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/mi_test1.c:
  Auto merged
myisam/mi_write.c:
  Auto merged
myisam/myisamchk.c:
  Auto merged
myisam/myisampack.c:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/select_found.result:
  Auto merged
mysql-test/t/select_found.test:
  Auto merged
mysys/charset.c:
  Auto merged
mysys/default.c:
  Auto merged
mysys/hash.c:
  Auto merged
sql/field.cc:
  Auto merged
sql/gen_lex_hash.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/hostname.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/item_strfunc.cc:
  Auto merged
sql/item_timefunc.h:
  Auto merged
sql/lex.h:
  Auto merged
sql/log.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/repl_failsafe.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_db.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_string.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_union.cc:
  Auto merged
sql/share/czech/errmsg.txt:
  Auto merged
sql/share/danish/errmsg.txt:
  Auto merged
sql/share/dutch/errmsg.txt:
  Auto merged
sql/share/english/errmsg.txt:
  Auto merged
sql/share/estonian/errmsg.txt:
  Auto merged
sql/share/german/errmsg.txt:
  Auto merged
sql/share/greek/errmsg.txt:
  Auto merged
sql/share/hungarian/errmsg.txt:
  Auto merged
sql/share/italian/errmsg.txt:
  Auto merged
sql/share/japanese/errmsg.txt:
  Auto merged
sql/share/korean/errmsg.txt:
  Auto merged
sql/share/norwegian-ny/errmsg.txt:
  Auto merged
sql/share/norwegian/errmsg.txt:
  Auto merged
sql/sql_update.cc:
  Auto merged
sql/structs.h:
  Auto merged
sql/share/polish/errmsg.txt:
  Auto merged
sql/share/portuguese/errmsg.txt:
  Auto merged
sql/share/romanian/errmsg.txt:
  Auto merged
sql/share/russian/errmsg.txt:
  Auto merged
sql/share/slovak/errmsg.txt:
  Auto merged
sql/share/spanish/errmsg.txt:
  Auto merged
sql/share/swedish/errmsg.txt:
  Auto merged
sql/share/ukrainian/errmsg.txt:
  Auto merged
strings/Makefile.am:
  Auto merged
strings/ctype-ujis.c:
  Auto merged
tools/mysqlmanager.c:
  Auto merged

1 files changed, 1 insertions, 1 deletions

diff --git a/sql/item_timefunc.h b/sql/item_timefunc.h
index 9ff2734f460..53beb78e1d4 100644
--- a/sql/item_timefunc.h
+++ b/sql/item_timefunc.h
@@ -47,7 +47,7 @@ public:
   Item_func_to_days(Item *a) :Item_int_func(a) {}
   longlong val_int();
   const char *func_name() const { return "to_days"; }
-  void fix_length_and_dec() { decimals=0; max_length=6; }
+  void fix_length_and_dec() { decimals=0; max_length=6; maybe_null=1; }
 };