--source include/have_innodb.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc
--source include/not_embedded.inc

# Two parallel connection with autoinc column after restart.

CREATE TABLE t1 (id INT AUTO_INCREMENT PRIMARY KEY)ENGINE=INNODB;

--echo # SETTING auto_increment_increment IN CONNECTION DEFAULT
SET AUTO_INCREMENT_INCREMENT = 1;

--echo # MDEV-24348 InnoDB shutdown hang with innodb_flush_sync=0
SET GLOBAL innodb_flush_sync=OFF;
--echo # For the server to hang, we must have pages for temporary tables
--echo # (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;
SHOW CREATE TABLE t1;

--source include/restart_mysqld.inc

--echo # SETTING auto_increment_increment IN CONNECTION1
SET AUTO_INCREMENT_INCREMENT = 2;

SET DEBUG_SYNC= 'ib_after_row_insert SIGNAL opened WAIT_FOR flushed1';

SEND 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';
send insert into t1 values(NULL);

connection default;
reap;
SELECT * FROM t1;
SHOW CREATE TABLE t1;
SET DEBUG_SYNC= 'now SIGNAL opened1';

connection con1;
reap;
SELECT * FROM t1;
SHOW CREATE TABLE t1;
connection default;
disconnect con1;

DROP TABLE t1;

# Two parallel connection with autoinc column without restart.

CREATE TABLE t1(id INT AUTO_INCREMENT PRIMARY KEY)ENGINE=INNODB;

--echo # SETTING auto_increment_increment IN CONNECTION DEFAULT
SET AUTO_INCREMENT_INCREMENT = 1;
INSERT INTO t1 VALUES(NULL);
SELECT * FROM t1;
SHOW CREATE TABLE t1;
SET DEBUG_SYNC = 'now SIGNAL flushed';

connect(con1, localhost, root,,);

--echo # 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';

send 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';

send INSERT INTO t1 VALUES(NULL);

connection con1;
reap;
SELECT * FROM t1;
SHOW CREATE TABLE t1;
SET DEBUG_SYNC= 'now SIGNAL opened1';
disconnect con1;

connection default;
reap;
SELECT * FROM t1;
SHOW CREATE TABLE t1;
DROP TABLE t1;
SET DEBUG_SYNC='RESET';