diff options
Diffstat (limited to 'sql/filesort.cc')
| -rw-r--r-- | sql/filesort.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sql/filesort.cc b/sql/filesort.cc index ad16c16db3e..2ac05ef0496 100644 --- a/sql/filesort.cc +++ b/sql/filesort.cc @@ -461,7 +461,10 @@ 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; } |