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#
# This test checks that innodb_disallow_writes works as expected
#
# Note that we need to enable binlog for this test: If the commit
# to InnoDB is done in one phase, the transaction is committed in
# memory before it is persisted to disk. This means that the
# innodb_disallow_writes=ON may not prevent transaction to
# become visible to other readers. On the other hand, if the
# commit is two phase (as it is with binlog), the transaction
# will be blocked in prepare phase.
#
--source include/galera_cluster.inc
--source include/have_innodb.inc
--source include/have_log_bin.inc
# Open a separate connection to be used to run SHOW PROCESSLIST
--let $galera_connection_name = node_1a
--let $galera_server_number = 1
--source include/galera_connect.inc
--connection node_1a
SET SESSION wsrep_sync_wait = 0;
--connection node_1
CREATE TABLE t1 (f1 INTEGER) Engine=InnoDB;
SET GLOBAL innodb_disallow_writes=ON;
--send INSERT INTO t1 VALUES (1);
--connection node_1a
SELECT COUNT(*) = 1 FROM t1;
let $wait_condition = SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE INFO = 'INSERT INTO t1 VALUES (1)' AND State = 'Commit';
--source include/wait_condition.inc
SELECT COUNT(*) = 1 FROM t1;
SET GLOBAL innodb_disallow_writes=OFF;
--connection node_1
--reap
SELECT COUNT(*) = 1 FROM t1;
--connection node_2
SELECT COUNT(*) = 1 FROM t1;
DROP TABLE t1;
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