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PS-9306: MySQL 8.0.38, 8.4.1 and 9.0.0 crashes on restart if database… #5414

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PS-9306: MySQL 8.0.38, 8.4.1 and 9.0.0 crashes on restart if database… #5414

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50 changes: 50 additions & 0 deletions mysql-test/suite/innodb/r/percona_create_table_8k.result
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#
# PS-9306 : MySQL 8.0.38, 8.4.1 and 9.0.0 crashes on restart if database has 10K tables or more
#
CREATE DATABASE test_8k;
CREATE PROCEDURE create_tables(start_index INT, end_index INT)
BEGIN
DECLARE i INT;
SET i = start_index;
WHILE i < end_index DO
SET @table_name = CONCAT('table_', i);
SET @create_stmt = CONCAT('CREATE TABLE IF NOT EXISTS test_8k.', @table_name, ' (id INT PRIMARY KEY AUTO_INCREMENT, data VARCHAR(255));');
PREPARE stmt FROM @create_stmt;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
SET i = i + 1;
END WHILE;
END|
CALL create_tables(0*1024,(0+1)*1024);
CALL create_tables(1*1024,(1+1)*1024);
CALL create_tables(2*1024,(2+1)*1024);
CALL create_tables(3*1024,(3+1)*1024);
CALL create_tables(4*1024,(4+1)*1024);
CALL create_tables(5*1024,(5+1)*1024);
CALL create_tables(6*1024,(6+1)*1024);
CALL create_tables(7*1024,(7+1)*1024);
# restart
CREATE PROCEDURE drop_tables(start_index INT, end_index INT)
BEGIN
DECLARE i INT;
SET i = start_index;
WHILE i < end_index DO
SET @table_name = CONCAT('table_', i);
SET @create_stmt = CONCAT('DROP TABLE test_8k.', @table_name, ';');
PREPARE stmt FROM @create_stmt;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
SET i = i + 1;
END WHILE;
END|
CALL drop_tables(0*1024,(0+1)*1024);
CALL drop_tables(1*1024,(1+1)*1024);
CALL drop_tables(2*1024,(2+1)*1024);
CALL drop_tables(3*1024,(3+1)*1024);
CALL drop_tables(4*1024,(4+1)*1024);
CALL drop_tables(5*1024,(5+1)*1024);
CALL drop_tables(6*1024,(6+1)*1024);
CALL drop_tables(7*1024,(7+1)*1024);
DROP DATABASE test_8k;
DROP PROCEDURE create_tables;
DROP PROCEDURE drop_tables;
88 changes: 88 additions & 0 deletions mysql-test/suite/innodb/t/percona_create_table_8k.test
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--echo #
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--echo # PS-9306 : MySQL 8.0.38, 8.4.1 and 9.0.0 crashes on restart if database has 10K tables or more
--echo #

CREATE DATABASE test_8k;
--source include/count_sessions.inc

DELIMITER |;
CREATE PROCEDURE create_tables(start_index INT, end_index INT)
BEGIN
DECLARE i INT;
SET i = start_index;
WHILE i < end_index DO
SET @table_name = CONCAT('table_', i);
SET @create_stmt = CONCAT('CREATE TABLE IF NOT EXISTS test_8k.', @table_name, ' (id INT PRIMARY KEY AUTO_INCREMENT, data VARCHAR(255));');
PREPARE stmt FROM @create_stmt;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
SET i = i + 1;
END WHILE;
END|
DELIMITER ;|

let $connections=8;
let $i=0;
while ($i < $connections) {
--connect(C$i,localhost,root,,test)
--send_eval CALL create_tables($i*1024,($i+1)*1024)
inc $i;
}

let $i=0;
while ($i < $connections) {
--connection C$i
reap;
--disconnect C$i
--source include/wait_until_disconnected.inc
inc $i;
}
--connection default
--source include/wait_until_count_sessions.inc

--source include/restart_mysqld.inc

--assert(`SELECT COUNT(*)=8192 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'test_8k'`)

--source include/count_sessions.inc

DELIMITER |;
CREATE PROCEDURE drop_tables(start_index INT, end_index INT)
BEGIN
DECLARE i INT;
SET i = start_index;
WHILE i < end_index DO
SET @table_name = CONCAT('table_', i);
SET @create_stmt = CONCAT('DROP TABLE test_8k.', @table_name, ';');
PREPARE stmt FROM @create_stmt;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
SET i = i + 1;
END WHILE;
END|
DELIMITER ;|

let $connections=8;
let $i=0;
while ($i < $connections) {
--connect(C$i,localhost,root,,test)
--send_eval CALL drop_tables($i*1024,($i+1)*1024)
inc $i;
}

let $i=0;
while ($i < $connections) {
--connection C$i
reap;
--disconnect C$i
--source include/wait_until_disconnected.inc
inc $i;
}
--connection default
--source include/wait_until_count_sessions.inc

--assert(`SELECT COUNT(*)=0 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'test_8k'`)

DROP DATABASE test_8k;
DROP PROCEDURE create_tables;
DROP PROCEDURE drop_tables;
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