connect  a,localhost,root,,;
connect  b,localhost,root,,;
CREATE TABLE bug47622(
`rule_key` int(11) NOT NULL DEFAULT '0',
`seq` smallint(6) NOT NULL DEFAULT '0',
`action` smallint(6) NOT NULL DEFAULT '0',
`arg_id` smallint(6) DEFAULT NULL,
`else_ind` TINYINT NOT NULL,
KEY IDX_A (`arg_id`)
) ENGINE=InnoDB;
connection a;
ALTER TABLE bug47622 ADD UNIQUE IDX_B (rule_key,else_ind,seq,action,arg_id);
drop index IDX_B on bug47622;
connection b;
create index idx on bug47622(seq, arg_id);
ALTER TABLE bug47622 ADD UNIQUE IDX_X (rule_key,else_ind,seq,action);
drop table bug47622;
CREATE TABLE bug47622 (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`d` varchar(20) DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `b` (`b`)
) ENGINE=InnoDB;
alter table bug47622 add unique index (c), add index (d);
drop table bug47622;