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| author | Oleksandr Byelkin <sanja@mariadb.com> | 2019-01-16 13:16:41 +0100 |
|---|---|---|
| committer | Oleksandr Byelkin <sanja@mariadb.com> | 2019-01-16 13:52:07 +0100 |
| commit | a59d600cbafd34e230da321b4a16339f5cf6976d (patch) | |
| tree | 33548c057f0645ce30f200ec1c4d271b159e2cee /sql/sql_table.cc | |
| parent | dc42b3c4d9546153e2f0049393e3771e21551679 (diff) | |
| download | mariadb-git-bb-5.5-MDEV-17085.tar.gz | |
MDEV-17085: CHECKSUM TABLE EXTENDED does not work correctlybb-5.5-MDEV-17085
The problem was in calculating of the mask to clear unused null bits in case of using full byte.
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(); |