Merge with 4.0 to get fix for MIN/MAX

BitKeeper/etc/ignore:
  added support-files/MacOSX/Info.plist
Makefile.am:
  Auto merged
include/my_global.h:
  Auto merged
mysql-test/r/distinct.result:
  Auto merged
mysql-test/r/innodb.result:
  Auto merged
mysql-test/r/join.result:
  Auto merged
mysql-test/t/innodb.test:
  Auto merged
mysql-test/t/order_by.test:
  Auto merged
mysql-test/t/show_check.test:
  Auto merged
sql/filesort.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/lex.h:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/opt_range.h:
  Auto merged
sql/slave.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
configure.in:
  Use local version
mysql-test/r/func_group.result:
  merge
mysql-test/r/order_by.result:
  merge
mysql-test/r/show_check.result:
  merge
mysql-test/t/func_group.test:
  merge
mysql-test/t/join.test:
  merge
sql/mysql_priv.h:
  Use local version
sql/sql_yacc.yy:
  merge
sql/table.cc:
  USe local

1 files changed, 4 insertions, 1 deletions

diff --git a/sql/filesort.cc b/sql/filesort.cc
index 27c4b962515..8bf9c648e82 100644
--- a/sql/filesort.cc
+++ b/sql/filesort.cc
@@ -450,7 +450,10 @@ static void make_sortkey(register SORTPARAM *param,
       {
 	if (field->is_null())
 	{
-	  bzero((char*) to,sort_field->length+1);
+	  if (sort_field->reverse)
+	    bfill(to,sort_field->length+1,(char) 255);
+	  else
+	    bzero((char*) to,sort_field->length+1);
 	  to+= sort_field->length+1;
 	  continue;
 	}