mariadb/mysql-test/suite/galera/t/galera_many_tables_pk.test

--source include/big_test.inc
--source include/galera_cluster.inc
--source include/have_innodb.inc

if (!`SELECT @@open_files_limit >= 1024`){
  skip Need at least an open file limit of 1024;
}

#
# This test forces 900 tables with a PK to participate in a single
# transaction. The reason for 900 is that some linux system has by default
# a limit of 1024 open files / process
#

#
# First, create 900 tables and make sure the DDLs are all propagated
#

--connection node_1

--let $count = 900
while ($count)
{
  --disable_query_log
  --let $ddl_var = `SELECT CONCAT("CREATE TABLE t", $count, " (f1 INTEGER AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB")`
  --eval $ddl_var
  --enable_query_log
  --dec $count
}

--connection node_2
SELECT COUNT(*) = 900 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME LIKE 't%';

#
# Second, create a transaction that uses all those tables
# 

--connection node_1
SET AUTOCOMMIT=OFF;
START TRANSACTION;

--let $count = 900
while ($count)
{
  --disable_query_log
  --let $ddl_var = `SELECT CONCAT("INSERT INTO t", $count, " VALUES (DEFAULT)")`
  --eval $ddl_var
  --enable_query_log
  --dec $count
}

COMMIT;

#
# Third, confirm that all the inserts have arrived on the second node
#

--connection node_2
CREATE TABLE sum_table (f1 INTEGER);

--let $count = 900
while ($count)
{
  --disable_query_log
  --let $ddl_var = `SELECT CONCAT("INSERT INTO sum_table SELECT COUNT(*) FROM t", $count)`
  --eval $ddl_var
  --enable_query_log
  --dec $count
}

SELECT SUM(f1) = 900 FROM sum_table;

#
# Fourth, create a deadlock
#

--connection node_1
SET AUTOCOMMIT=OFF;
START TRANSACTION;

--let $count = 900
while ($count)
{
  --disable_query_log
  --let $ddl_var = `SELECT CONCAT("UPDATE t", $count, " SET f1 = 2")`
  --eval $ddl_var
  --enable_query_log
  --dec $count
}

--connection node_2
SET AUTOCOMMIT=OFF;
START TRANSACTION;
UPDATE t900 SET f1 = 3;

--connection node_1
COMMIT;

--connection node_2
--error ER_LOCK_DEADLOCK
COMMIT;

DROP SCHEMA test;
CREATE SCHEMA test;