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MDEV-15456 Server crashes upon adding or dropping a partition in ALTER under LOCK TABLE after ER_SAME_NAME_PARTITION

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ALTER TABLE ... ADD PARTITION modifies the open TABLE structure,
and sets table->need_reopen=1 to reset these modifications
in case of an error.

But under LOCK TABLES the table isn't get reopened, despite need_reopen.

Fixed by reopening need_reopen tables under LOCK TABLE.
This commit is contained in:
Sergei Golubchik
2018-04-20 10:10:33 +02:00
parent 86718fda4e
commit bcb36ee21e
12 changed files with 58 additions and 15 deletions
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2
sql/sql_admin.cc
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@ -238,7 +238,7 @@ static int prepare_for_repair(THD *thd, TABLE_LIST *table_list,
if (thd->locked_tables_list.locked_tables())
{
if (thd->locked_tables_list.reopen_tables(thd))
if (thd->locked_tables_list.reopen_tables(thd, false))
goto end;
/* Restore the table in the table list with the new opened table */
table_list->table= pos_in_locked_tables->table;