File: galera_ftwrl.test

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

#
# At this time, issing a FLUSH TABLES WITH READ LOCK causes SELECT and SHOW to
# hang if causality can not be ensured because another node issued a statement
# in the meantime which could not be applied because FTWRL blocks the applier
# as well
#
# See LP bug 1271177
#

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

--connection node_2
--let $wsrep_provider_options_orig = `SELECT @@wsrep_provider_options;`
SET GLOBAL wsrep_provider_options = "repl.causal_read_timeout=PT1S";
FLUSH TABLES WITH READ LOCK;

--connection node_1
INSERT INTO t1 VALUES (1);

--connection node_2
--error ER_LOCK_WAIT_TIMEOUT
SHOW TABLES;

--error ER_LOCK_WAIT_TIMEOUT
SELECT * FROM t1;

UNLOCK TABLES;

--disable_query_log
--eval SET GLOBAL wsrep_provider_options = "$wsrep_provider_options_orig";
--enable_query_log

SHOW TABLES;
SELECT COUNT(*) = 1 FROM t1;

DROP TABLE t1;