config root man

--source include/have_innodb.inc

#
# Bug#12661768 UPDATE IGNORE CRASHES SERVER IF TABLE IS INNODB AND IT IS
# PARENT FOR OTHER ONE
#

SET SESSION foreign_key_checks=0;

# only interested that the "UPDATE IGNORE" at the end does not crash the server

-- disable_query_log
-- disable_result_log

SET NAMES utf8;

-- let $t1_name = bug12661768_1ä1111111111111111111111111111111111111111111111111
# We would also like to test with a name like #mysql50#bug12661768_2ä (the
# expected result is that it should appear as #mysql50#bug12661768_2ä in the
# error message, but due to a bug it is reported as bug12661768_2ä. See
# Bug#11758916 51180: EXPLAIN_FILENAME CANNOT EXPLAIN #SQL TEMPORARY FILE NAMES
-- let $t2_name = bug12661768_2ä2222222222222222222222222222222222222222222
-- let $fk_name = ab_on_2_fkfkfäfkffkfkfkfkfkfkfkfkfkfkfkfkfkfkfkfkfkfkfkfkfkfkfk
-- let $key_str = 'bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb'

eval DROP TABLE IF EXISTS `$t2_name`, `$t1_name`;

eval CREATE TABLE `$t1_name` (
	a INT,
	b VARCHAR(512),
	PRIMARY KEY (a, b)
) ENGINE=INNODB;

eval CREATE TABLE `$t2_name` (
	id INT,
	a INT,
	b VARCHAR(512),
	PRIMARY KEY (id),
	UNIQUE KEY `$fk_name` (a, b),
	FOREIGN KEY (a, b) REFERENCES `$t1_name` (a, b)
	ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=INNODB;

eval INSERT INTO `$t1_name` VALUES (1, $key_str);
eval INSERT INTO `$t2_name` VALUES (100, 1, $key_str), (101, 3, $key_str);

SET SESSION foreign_key_checks=1;

-- enable_result_log

-- error ER_FOREIGN_DUPLICATE_KEY_WITH_CHILD_INFO
eval UPDATE IGNORE `$t1_name` SET a = 3;

eval DROP TABLE `$t2_name`, `$t1_name`;