SET GLOBAL innodb_file_per_table=0;
Warnings:
Warning	1287	'@@innodb_file_per_table' is deprecated and will be removed in a future release
CREATE TABLE t(a INT)ENGINE=InnoDB;
SET GLOBAL innodb_file_per_table=1;
Warnings:
Warning	1287	'@@innodb_file_per_table' is deprecated and will be removed in a future release
CREATE TABLE ibd4(a INT UNIQUE)ENGINE=InnoDB;
CREATE TABLE ibd4f(a INT UNIQUE)ENGINE=InnoDB;
CREATE TABLE ibd5(a INT UNIQUE, b INT UNIQUE)ENGINE=InnoDB;
# Kill the server
DROP TABLE t,ibd4,ibd4f,ibd5;