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CREATE TABLE t1 (id INT AUTO_INCREMENT PRIMARY KEY)ENGINE=INNODB;
# SETTING auto_increment_increment IN CONNECTION DEFAULT
SET AUTO_INCREMENT_INCREMENT = 1;
# MDEV-24348 InnoDB shutdown hang with innodb_flush_sync=0
SET GLOBAL innodb_flush_sync=OFF;
# For the server to hang, we must have pages for temporary tables
# (and the bug depended on MDEV-12227 not being fixed).
CREATE TEMPORARY TABLE t (id SERIAL) ENGINE=InnoDB;
SET debug_dbug= '+d,ib_log_flush_ahead';
INSERT INTO t1 VALUES(NULL);
SELECT * FROM t1;
id
1
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# restart
# SETTING auto_increment_increment IN CONNECTION1
SET AUTO_INCREMENT_INCREMENT = 2;
SET DEBUG_SYNC= 'ib_after_row_insert SIGNAL opened WAIT_FOR flushed1';
INSERT INTO t1 VALUES(NULL);
connect con1, localhost, root,,;
SET AUTO_INCREMENT_INCREMENT = 2;
SET DEBUG_SYNC= 'now WAIT_FOR opened';
SET DEBUG_SYNC= 'ib_after_row_insert_step SIGNAL flushed1 WAIT_FOR opened1';
insert into t1 values(NULL);
connection default;
SELECT * FROM t1;
id
1
3
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SET DEBUG_SYNC= 'now SIGNAL opened1';
connection con1;
SELECT * FROM t1;
id
1
3
5
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
connection default;
disconnect con1;
DROP TABLE t1;
CREATE TABLE t1(id INT AUTO_INCREMENT PRIMARY KEY)ENGINE=INNODB;
# SETTING auto_increment_increment IN CONNECTION DEFAULT
SET AUTO_INCREMENT_INCREMENT = 1;
INSERT INTO t1 VALUES(NULL);
SELECT * FROM t1;
id
1
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SET DEBUG_SYNC = 'now SIGNAL flushed';
connect con1, localhost, root,,;
# SETTING auto_increment_increment in connection1
SET AUTO_INCREMENT_INCREMENT = 2;
SET DEBUG_SYNC= 'now WAIT_FOR flushed';
SET DEBUG_SYNC= 'ib_after_row_insert SIGNAL opened WAIT_FOR flushed1';
INSERT INTO t1 values(NULL);
connection default;
SET DEBUG_SYNC= 'now WAIT_FOR opened';
SET DEBUG_SYNC= 'ib_after_row_insert_step SIGNAL flushed1 WAIT_FOR opened1';
INSERT INTO t1 VALUES(NULL);
connection con1;
SELECT * FROM t1;
id
1
3
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SET DEBUG_SYNC= 'now SIGNAL opened1';
disconnect con1;
connection default;
SELECT * FROM t1;
id
1
3
5
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
SET DEBUG_SYNC='RESET';
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