1 CREATE TABLE bug44032(c CHAR(3) CHARACTER SET UTF8) ROW_FORMAT=REDUNDANT
3 INSERT INTO bug44032 VALUES('abc'),(0xEFBCA4EFBCA4EFBCA4);
4 UPDATE bug44032 SET c='DDD' WHERE c=0xEFBCA4EFBCA4EFBCA4;
5 UPDATE bug44032 SET c=NULL WHERE c='DDD';
6 UPDATE bug44032 SET c='DDD' WHERE c IS NULL;