diff options
Diffstat (limited to 'sql/sql_table.cc')
| -rw-r--r-- | sql/sql_table.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sql/sql_table.cc b/sql/sql_table.cc index 1b83b513c2d..d3448c167c4 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -7844,7 +7844,10 @@ bool mysql_checksum_table(THD *thd, TABLE_LIST *tables, { /* calculating table's checksum */ ha_checksum crc= 0; - uchar null_mask=256 - (1 << t->s->last_null_bit_pos); + DBUG_ASSERT(t->s->last_null_bit_pos < 8); + uchar null_mask= (t->s->last_null_bit_pos ? + (256 - (1 << t->s->last_null_bit_pos)): + 0); t->use_all_columns(); |