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MDEV-15970 Crash when doing truncate on locked sequence

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Problem was that we used table->s->db_type() for accessing
handlerton of opened file instead of table->file->ht

Other bug fixed:
- Ensure that we set error if reopen_tables() fails
  (This was the cause of assert)
This commit is contained in:
Michael Widenius
2018-05-11 14:14:33 +03:00
parent be6ae0bb6b
commit 1cb4caa66d
3 changed files with 22 additions and 3 deletions
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7
sql/sql_truncate.cc
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@ -302,7 +302,7 @@ bool Sql_cmd_truncate_table::lock_table(THD *thd, TABLE_LIST *table_ref,
table_ref->table_name.str, FALSE)))
DBUG_RETURN(TRUE);
*hton_can_recreate= ha_check_storage_engine_flag(table->s->db_type(),
*hton_can_recreate= ha_check_storage_engine_flag(table->file->ht,
HTON_CAN_RECREATE);
table_ref->mdl_request.ticket= table->mdl_ticket;
}
@ -428,7 +428,10 @@ bool Sql_cmd_truncate_table::truncate_table(THD *thd, TABLE_LIST *table_ref)
error= dd_recreate_table(thd, table_ref->db.str, table_ref->table_name.str);
if (thd->locked_tables_mode && thd->locked_tables_list.reopen_tables(thd, false))
thd->locked_tables_list.unlink_all_closed_tables(thd, NULL, 0);
{
thd->locked_tables_list.unlink_all_closed_tables(thd, NULL, 0);
error=1;
}
/* No need to binlog a failed truncate-by-recreate. */
binlog_stmt= !error;