SET @save_fpt=@@GLOBAL.innodb_file_per_table;
SET GLOBAL innodb_file_per_table=OFF;
Warnings:
Warning	1287	'@@innodb_file_per_table' is deprecated and will be removed in a future release
create table bug56947(a int not null) engine = innodb;
SET @saved_dbug = @@SESSION.debug_dbug;
SET DEBUG_DBUG='+d,ib_rebuild_cannot_rename';
alter table bug56947 add unique index (a);
ERROR HY000: Got error 11 "xxx" from storage engine InnoDB
check table bug56947;
Table	Op	Msg_type	Msg_text
test.bug56947	check	status	OK
drop table bug56947;
SET GLOBAL innodb_file_per_table=@save_fpt;
Warnings:
Warning	1287	'@@innodb_file_per_table' is deprecated and will be removed in a future release
SET debug_dbug= @saved_dbug;