SET GLOBAL innodb_file_format='Barracuda';
SET GLOBAL innodb_file_per_table=on;
set old_alter_table=0;
CREATE TABLE bug53591(a text charset utf8 not null)
ENGINE=InnoDB KEY_BLOCK_SIZE=1;
ALTER TABLE bug53591 ADD PRIMARY KEY(a(220));
ERROR HY000: Too big row
SHOW WARNINGS;
Level	Code	Message
Error	139	Too big row
Error	1118	Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs
Error	1030	Got error 139 from storage engine
DROP TABLE bug53591;
SET GLOBAL innodb_file_format=Antelope;
SET GLOBAL innodb_file_format_check=Antelope;
SET GLOBAL innodb_file_per_table=0;