--source include/have_innodb.inc

CREATE TABLE t1 (a CHAR(8), id INT, PRIMARY KEY (a,id)) COLLATE utf8_nopad_bin
ENGINE=InnoDB ROW_FORMAT=REDUNDANT;

INSERT INTO t1 VALUES ('',1);
ALTER TABLE t1 ROW_FORMAT=DYNAMIC;
INSERT INTO t1 VALUES ('',2);
ALTER TABLE t1 ROW_FORMAT=REDUNDANT;
DROP TABLE t1;