config root man

SET NAMES utf8;
CREATE TABLE ① (
c1 INT PRIMARY KEY, c2 INT DEFAULT 1, ct TEXT, INDEX(c2))
ENGINE = InnoDB;
CREATE TABLE t1ć (c1 INT PRIMARY KEY, c2 INT, INDEX(c2),
CONSTRAINT t1c2 FOREIGN KEY (c2) REFERENCES ①(c2))
ENGINE=InnoDB;
INSERT INTO ① SET c1 = 1;
SET DEBUG = '+d,ib_drop_foreign_error';
ALTER TABLE t1ć DROP FOREIGN KEY t1c2, RENAME TO ②;
ERROR HY000: The table 't1ć' is full
SET DEBUG = '-d,ib_drop_foreign_error';
SET DEBUG = '+d,ib_rename_column_error';
ALTER TABLE ① CHANGE c2 š INT;
ERROR HY000: The table '①' is full
SET DEBUG = '-d,ib_rename_column_error';
SHOW CREATE TABLE t1ć;
Table	Create Table
t1ć	CREATE TABLE `t1ć` (
  `c1` int(11) NOT NULL,
  `c2` int(11) DEFAULT NULL,
  PRIMARY KEY (`c1`),
  KEY `c2` (`c2`),
  CONSTRAINT `t1c2` FOREIGN KEY (`c2`) REFERENCES `①` (`c2`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
DROP TABLE t1ć, ①;
#
# Bug #21364096	THE BOGUS DUPLICATE KEY ERROR IN ONLINE DDL
#		WITH INCORRECT KEY NAME
create table t1 (id int auto_increment primary key,
a int,
unique key uk(a))engine=innodb;
insert into t1 select 1, 1;
insert into t1 select 2, 2;
SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL s1 WAIT_FOR s2';
alter table t1 add b int, ALGORITHM=inplace;
/* connection con1 */
SET DEBUG_SYNC = 'now WAIT_FOR s1';
insert into t1 select NULL, 1;
ERROR 23000: Duplicate entry '1' for key 'uk'
SET DEBUG_SYNC = 'now SIGNAL s2';
/* connection default */
/* reap */ alter table t1 add b int, ALGORITHM=inplace;
ERROR 23000: Duplicate entry '1' for key 'uk'
SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL s1 WAIT_FOR s2';
alter table t1 add b int, ALGORITHM=inplace;;
/* connection con1 */
set DEBUG_SYNC = 'now WAIT_FOR s1';
update t1 set a=1 where id=2;
ERROR 23000: Duplicate entry '1' for key 'uk'
SET DEBUG_SYNC = 'now SIGNAL s2';
/* connection default */
/* reap */ alter table t1 add b int, ALGORITHM=inplace;
ERROR 23000: Duplicate entry '1' for key 'uk'
drop table t1;
#
# Bug #27753193  ASSERTION `PREBUILT->TRX->ERROR_KEY_NUM <
#                HA_ALTER_INFO->KEY_COUNT'
CREATE TABLE t1 (a INT, UNIQUE KEY(a)) ENGINE = INNODB;
INSERT INTO t1 VALUES (1);
SET DEBUG_SYNC = 'row_log_table_apply1_before signal S1 WAIT_FOR S2';
OPTIMIZE TABLE t1;;
SET DEBUG_SYNC = 'now WAIT_FOR S1';
INSERT INTO t1 VALUES (1);
ERROR 23000: Duplicate entry '1' for key 'a'
SET DEBUG_SYNC = 'now SIGNAL S2';
/* reap */ OPTIMIZE TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	optimize	note	Table does not support optimize, doing recreate + analyze instead
test.t1	optimize	error	Duplicate entry '1' for key 'a'
test.t1	optimize	status	Operation failed
Warnings:
Error	1062	Duplicate entry '1' for key 'a'
SET DEBUG_SYNC='RESET';
DROP TABLE t1;