diff options
Diffstat (limited to 'sql/unireg.cc')
| -rw-r--r-- | sql/unireg.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sql/unireg.cc b/sql/unireg.cc index 123079291c2..eda17d8f4a9 100644 --- a/sql/unireg.cc +++ b/sql/unireg.cc @@ -759,8 +759,11 @@ static bool make_empty_rec(THD *thd, File file,enum db_type table_type, } DBUG_ASSERT(data_offset == ((null_count + 7) / 8)); - /* Fill not used startpos */ - if (null_count) + /* + We need to set the unused bits to 1. If the number of bits is a multiple + of 8 there are no unused bits. + */ + if (null_count & 7) *(null_pos + null_count / 8)|= ~(((uchar) 1 << (null_count & 7)) - 1); error=(int) my_write(file,(byte*) buff, (uint) reclength,MYF_RW); |