SET NAMES utf8;
CREATE TABLE ① (
c1 INT PRIMARY KEY, c2 INT DEFAULT 1, ct TEXT, INDEX(c2))
ENGINE = InnoDB;
CREATE TABLE t1ć (c1 INT PRIMARY KEY, c2 INT, INDEX(c2),
CONSTRAINT t1c2 FOREIGN KEY (c2) REFERENCES ①(c2))
ENGINE=InnoDB;
INSERT INTO ① SET c1 = 1;
SET DEBUG = '+d,ib_drop_foreign_error';
ALTER TABLE t1ć DROP FOREIGN KEY t1c2, RENAME TO ②;
ERROR HY000: The table 't1ć' is full
SET DEBUG = '-d,ib_drop_foreign_error';
SET DEBUG = '+d,ib_rename_column_error';
ALTER TABLE ① CHANGE c2 š INT;
ERROR HY000: The table '①' is full
SET DEBUG = '-d,ib_rename_column_error';
SHOW CREATE TABLE t1ć;
Table	Create Table
t1ć	CREATE TABLE `t1ć` (
  `c1` int(11) NOT NULL,
  `c2` int(11) DEFAULT NULL,
  PRIMARY KEY (`c1`),
  KEY `c2` (`c2`),
  CONSTRAINT `t1c2` FOREIGN KEY (`c2`) REFERENCES `①` (`c2`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
DROP TABLE t1ć, ①;