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#
# Check the handling of @@wsrep_dirty_reads
#
--source include/galera_cluster.inc
--source include/have_perfschema.inc
call mtr.add_suppression("WSREP has not yet prepared node for application use");
# Save original auto_increment_offset values.
--let $node_1=node_1
--let $node_2=node_2
--source include/auto_increment_offset_save.inc
--connection node_2
--let $wsrep_cluster_address_saved = `SELECT @@global.wsrep_cluster_address`
CREATE TABLE t1(i INT) ENGINE=INNODB;
INSERT INTO t1 VALUES(1);
SELECT * FROM t1;
SET @@global.wsrep_cluster_address = '';
SET @@session.wsrep_dirty_reads=OFF;
# Set wsrep_sync_wait to avoid ER_LOCK_WAIT_TIMEOUT.
SET SESSION wsrep_sync_wait=0;
# Must return 'OFF'
SHOW STATUS LIKE 'wsrep_ready';
# Must return 'Disconnected'
SHOW STATUS LIKE 'wsrep_cluster_status';
--error ER_UNKNOWN_COM_ERROR
SELECT * FROM t1;
--error ER_UNKNOWN_COM_ERROR
SELECT 1 FROM t1;
SET @@session.wsrep_dirty_reads=ON;
SELECT * FROM t1;
SELECT 1 FROM t1;
SELECT i, variable_name, variable_value FROM t1, information_schema.session_variables WHERE variable_name LIKE "wsrep_dirty_reads" AND i = 1;
SET @@session.wsrep_dirty_reads=OFF;
--error ER_UNKNOWN_COM_ERROR
SELECT i, variable_name, variable_value FROM t1, information_schema.session_variables WHERE variable_name LIKE "wsrep_dirty_reads" AND i = 1;
SELECT 1;
USE information_schema;
SELECT * FROM information_schema.session_variables WHERE variable_name LIKE "wsrep_dirty_reads";
SELECT COUNT(*) >= 10 FROM performance_schema.events_statements_history;
--disable_query_log
--eval SET @@global.wsrep_cluster_address = '$wsrep_cluster_address_saved'
--enable_query_log
--source include/wait_until_connected_again.inc
--source include/galera_wait_ready.inc
--connection node_1
USE test;
SELECT * FROM t1;
# Cleanup
DROP TABLE t1;
# Restore original auto_increment_offset values.
--source include/auto_increment_offset_restore.inc
--source include/galera_end.inc
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