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MDEV-21088: Follow-up fix for ROW_FORMAT=REDUNDANT

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For ROW_FORMAT=REDUNDANT, we must reserve fixed-length dummy values
for the CHAR columns in the metadata record. This is because in
MariaDB Server 10.4, btr_cur_instant_init_low() will rely on
dict_index_t::trx_id_offset being accurate for the metadata record.
This commit is contained in:
Marko Mäkelä 2019-11-20 14:02:30 +08:00
parent 89f487f2e2
commit aa3d28ac34
1 changed files with 1 additions and 1 deletions
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2
storage/innobase/handler/handler0alter.cc
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@ -4285,7 +4285,7 @@ innobase_add_instant_try(
break; break;
case MYSQL_TYPE_STRING: case MYSQL_TYPE_STRING:
if (col->mbminlen != col->mbmaxlen if (col->mbminlen != col->mbmaxlen
|| !dict_table_is_comp(user_table)) { && dict_table_is_comp(user_table)) {
goto variable_length; goto variable_length;
} }
/* fall through */ /* fall through */