EVOLUTION-MANAGER

Edit File: galera_query_cache_sync_wait.test

--source include/galera_cluster.inc
--source include/have_debug_sync.inc
--source include/have_query_cache.inc

CREATE TABLE t1 (id INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);

--connection node_2
--let $wsrep_provider_options_orig = `SELECT @@wsrep_provider_options`
SET GLOBAL wsrep_provider_options = "repl.causal_read_timeout=PT1S";
SET GLOBAL debug_dbug = "d,sync.wsrep_apply_cb";
SELECT MAX(id) FROM t1; # first lookup miss

#
# Query cache hit, wait timeout
#

--connection node_1
INSERT INTO t1 VALUES (2);

--connection node_2
--error ER_LOCK_WAIT_TIMEOUT
SELECT MAX(id) FROM t1;
SET GLOBAL debug_dbug = "";
SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";

FLUSH QUERY CACHE;
SET GLOBAL debug_dbug = "d,sync.wsrep_apply_cb";
SET DEBUG_SYNC = "RESET";

#
# Query cache miss, wait timeout
#

--connection node_1
INSERT INTO t1 VALUES (3);

--connection node_2
--error ER_LOCK_WAIT_TIMEOUT
SELECT MAX(id) FROM t1;
SET GLOBAL debug_dbug = "";
SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";

#
# Query cache miss
#

--connection node_1
INSERT INTO t1 VALUES (4);

--connection node_2
SELECT MAX(id) FROM t1;

#
# Query cache hit
#

FLUSH STATUS;
SELECT MAX(id) FROM t1;
SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'Qcache_hits';
SET GLOBAL debug_dbug = "d,sync.wsrep_apply_cb";

#
# Query cache invalidated
#

--connection node_1
INSERT INTO t1 VALUES (5);

--connection node_2
--send SELECT MAX(id) FROM t1

--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2a
SET GLOBAL debug_dbug = "";
SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";

--connection node_2
--reap
SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'Qcache_hits';

--disable_query_log
--eval SET GLOBAL wsrep_provider_options = "$wsrep_provider_options_orig"
DROP TABLE t1;

--connection node_2a
SET DEBUG_SYNC = "RESET";