percona-toolkit/t/pt-duplicate-key-checker/samples/issue_1192.txt

# ########################################################################
# issue_1192.issue_1192                                                   
# ########################################################################

# a is a duplicate of PRIMARY
# Key definitions:
#   KEY `a` (`a`),
#   PRIMARY KEY (`a`),
# Column types:
#	  `a` int(11) not null default '0'
# To remove this duplicate index, execute:
ALTER TABLE `issue_1192`.`issue_1192` DROP INDEX `a`;