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--source include/galera_cluster.inc
--source include/have_innodb.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc
#
# Test that DDL indeed causes all nodes to block so even unrelated updates
# are not allowed to proceed. We block the DDL using DBUG_SYNC
#
CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
CREATE TABLE t2 (f1 INTEGER) ENGINE=InnoDB;
--connection node_1
SET DEBUG_SYNC = 'alter_table_before_open_tables WAIT_FOR continue';
--send ALTER TABLE t1 ADD COLUMN f2 INTEGER;
--let $galera_connection_name = node_1a
--let $galera_server_number = 1
--source include/galera_connect.inc
--let $galera_connection_name = node_1b
--let $galera_server_number = 1
--source include/galera_connect.inc
--connection node_1a
SET SESSION wsrep_sync_wait = 0;
# Allowed
SELECT COUNT(*) = 0 FROM t1;
# Allowed
SELECT COUNT(*) = 0 FROM t2;
# Not allowed
--error ER_LOCK_DEADLOCK,ER_ERROR_DURING_COMMIT
INSERT INTO t1 VALUES (1);
SET AUTOCOMMIT=OFF;
START TRANSACTION;
# Allowed
INSERT INTO t2 VALUES (1);
# Hangs
--send COMMIT;
--sleep 1
--connection node_1b
SET SESSION wsrep_sync_wait = 0;
# The Commit issued above is still not done
SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE INFO = 'Commit';
SELECT COUNT(*) = 0 FROM t2;
SET DEBUG_SYNC= 'now SIGNAL continue';
--connection node_1a
--reap
--connection node_1
--reap
SELECT COUNT(*) = 0 FROM t1;
SELECT COUNT(*) = 1 FROM t2;
--connection node_2
SELECT COUNT(*) = 0 FROM t1;
SELECT COUNT(*) = 1 FROM t2;
--connection node_1
SET DEBUG_SYNC= 'RESET';
--connection node_1b
SET DEBUG_SYNC= 'RESET';
DROP TABLE t1;
DROP TABLE t2;
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