innodb_bug47622.test

# This is the test for bug 47622. There could be index
# metadata sequence mismatch between MySQL and Innodb
# after creating index through FIC interfaces.
# We resolve the problem by sync the index sequence
# up when opening the table.

--source include/have_innodb.inc

connect (a,localhost,root,,);
connect (b,localhost,root,,);

# Create a table with a non-unique index
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;

# A subsequent creating unique index should not trigger
# any error message. Unique index would be ranked ahead
# of regular index.
ALTER TABLE bug47622 ADD UNIQUE IDX_B (rule_key,else_ind,seq,action,arg_id);

drop index IDX_B on bug47622;

# In another connection, create additional set of normal
# index and unique index. Again, unique index would be ranked
# ahead of regular index.
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 a table with one Primary key and a non-unique key
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;

# Add two index with one unique and one non-unique.
# Index sequence is "PRIMARY", "c", "b" and "d"
alter table bug47622 add unique index (c), add index (d);

drop table bug47622;