mariadb/mysql-test/suite/galera/t/MDEV-38073.test
Alexey Yurchenko e2088ce4d9 MDEV-38383 Fix MDEV-38073 MTR test warning
MDEV-38073 MTR test started to fail with a warning after upstream merge
from 11.4 a7528a6190 because THD responsible
for creating SST user became read-only when the server was started with
--transaction-read-only=TRUE.
make sure the readonly flag on THDs created for wsp::thd utility class is
cleared regardless of the --transaction-read-only value as it is intended
only for client-facing THDs.
2026-01-29 13:27:13 +02:00

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#
# Ensure that the transaction_read_only option does not apply to Wsrep system
# threads (schema and appliers) and that the cluster keeps functioning.
#
--source include/galera_cluster.inc
--source include/have_innodb.inc
--source include/big_test.inc
# Save original auto_increment_offset values.
--let $node_1=node_1
--let $node_2=node_2
--source include/auto_increment_offset_save.inc
# Restart the node 2 in transaction_read_only mode.
--connection node_2
--source include/shutdown_mysqld.inc
--let $start_mysqld_params=--transaction_read_only=TRUE
--source include/start_mysqld.inc
--connection node_1
CREATE TABLE t1 (id INT PRIMARY KEY) ENGINE=InnoDB;
# Note: this is not obligatory, but we want to test
# SR transactions as well.
SET SESSION wsrep_trx_fragment_size=1;
START TRANSACTION;
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
COMMIT;
--connection node_2
SELECT COUNT(*) = 2 FROM t1;
# Restart the node 2 in normal mode.
--connection node_2
--source include/shutdown_mysqld.inc
--let $start_mysqld_params=
--source include/start_mysqld.inc
# Cleanup
--connection node_1
DROP TABLE t1;
--source include/auto_increment_offset_restore.inc