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|
source include/not_embedded.inc;
source include/have_innodb.inc;
#
# This test the rpl_semi_sync_master_wait_point functionality
# and illustrates the differences between the two values AFTER_COMMIT and
# AFTER_SYNC
#
--echo #
--echo # Preparation
--echo #
CREATE TABLE t1 (i INT NOT NULL, PRIMARY KEY (i)) ENGINE=InnoDB;
RESET MASTER;
let $save_timeout = `select @@global.rpl_semi_sync_master_timeout`;
let $save_wait_no_slave = `select @@global.rpl_semi_sync_master_wait_no_slave`;
let $save_wait_point = `select @@global.rpl_semi_sync_master_wait_point`;
SET @@global.rpl_semi_sync_master_timeout = 60000;
SET @@global.rpl_semi_sync_master_wait_no_slave = 1;
--echo # It's okay to see "Killed" but we should not see "Timeout" in the log.
call mtr.add_suppression("Killed waiting for reply of binlog");
call mtr.add_suppression("Run function 'after_commit' in plugin 'rpl_semi_sync_master' failed");
call mtr.add_suppression("Run function 'after_sync' in plugin 'rpl_semi_sync_master' failed");
--echo #
--echo # Test wait point = AFTER_COMMIT
--echo #
SET @@global.rpl_semi_sync_master_wait_point = AFTER_COMMIT;
--echo # Make another connection to INSERT from.
connect (other,localhost,root,,);
connection other;
let $other_connection_id = `SELECT CONNECTION_ID()`;
connection default;
--disable_query_log
eval SET @other_connection_id = $other_connection_id;
--enable_query_log
SET GLOBAL rpl_semi_sync_master_enabled = 1;
--echo # Go ahead and send the INSERT; it should block.
connection other;
send INSERT INTO t1 (i) VALUES (1);
connection default;
let $wait_condition =
SELECT COUNT(*) > 0 AS should_be_true
FROM information_schema.processlist
WHERE id = @other_connection_id
AND state = "Waiting for semi-sync ACK from slave";
--source include/wait_condition.inc
--echo # The INSERT thread should now be waiting.
SELECT state AS should_be_waiting
FROM information_schema.processlist WHERE id = @other_connection_id;
--echo # The insert should be visible to other threads
SELECT * FROM t1 ORDER BY 1;
--echo # Kill the waiting thread; it should die immediately.
KILL @other_connection_id;
--echo # Collect the error from the INSERT thread; it should be disconnected.
connection other;
--error 2013,ER_CONNECTION_KILLED
reap;
connection default;
--echo # Wait for INSERT thread to actually disappear (KILL closes connection
--echo # before thread actually finishes its processing).
let $wait_condition =
SELECT COUNT(*) = 0 AS should_be_true
FROM information_schema.processlist
WHERE id = @other_connection_id;
--source include/wait_condition.inc
--echo # The INSERT thread should now be gone.
SELECT state AS should_be_empty_set
FROM information_schema.processlist WHERE id = @other_connection_id;
--echo # The insert is still there
SELECT * FROM t1 ORDER BY 1;
connection default;
disconnect other;
--echo # Make another connection to INSERT from.
connect (other,localhost,root,,);
connection other;
let $other_connection_id = `SELECT CONNECTION_ID()`;
connection default;
--disable_query_log
eval SET @other_connection_id = $other_connection_id;
--enable_query_log
--echo # Go ahead and send the INSERT; it should block.
connection other;
send INSERT INTO t1 (i) VALUES (2);
connection default;
let $wait_condition =
SELECT COUNT(*) > 0 AS should_be_true
FROM information_schema.processlist
WHERE id = @other_connection_id
AND state = "Waiting for semi-sync ACK from slave";
--source include/wait_condition.inc
--echo # The INSERT thread should now be waiting.
SELECT state AS should_be_waiting
FROM information_schema.processlist WHERE id = @other_connection_id;
--echo # The insert should be visible to other threads
SELECT * FROM t1 ORDER BY 1;
--echo # Now restart server
--source include/restart_mysqld.inc
--echo # Done restarting server
--echo # Reset setting that were lost in restart
SET @@global.rpl_semi_sync_master_timeout = 60000;
SET @@global.rpl_semi_sync_master_wait_no_slave = 1;
--echo # Check that row is still there
SELECT * FROM t1 ORDER BY 1;
disconnect other;
--echo #
--echo # Test wait point = AFTER_SYNC
--echo #
SET @@global.rpl_semi_sync_master_wait_point = AFTER_SYNC;
--echo # Make another connection to INSERT from.
connect (other,localhost,root,,);
connection other;
let $other_connection_id = `SELECT CONNECTION_ID()`;
connection default;
--disable_query_log
eval SET @other_connection_id = $other_connection_id;
--enable_query_log
SET GLOBAL rpl_semi_sync_master_enabled = 1;
--echo # Go ahead and send the INSERT; it should block.
connection other;
send INSERT INTO t1 (i) VALUES (3);
connection default;
let $wait_condition =
SELECT COUNT(*) > 0 AS should_be_true
FROM information_schema.processlist
WHERE id = @other_connection_id
AND state = "Waiting for semi-sync ACK from slave";
--source include/wait_condition.inc
--echo # The INSERT thread should now be waiting.
SELECT state AS should_be_waiting
FROM information_schema.processlist WHERE id = @other_connection_id;
--echo # The insert should NOT be visible to other threads
SELECT * FROM t1 ORDER BY 1;
--echo # Kill the waiting thread; it should die immediately.
KILL @other_connection_id;
--echo # Collect the error from the INSERT thread; it should be disconnected.
connection other;
--error 2013,ER_CONNECTION_KILLED
reap;
connection default;
--echo # Wait for INSERT thread to actually disappear (KILL closes connection
--echo # before thread actually finishes its processing).
let $wait_condition =
SELECT COUNT(*) = 0 AS should_be_true
FROM information_schema.processlist
WHERE id = @other_connection_id;
--source include/wait_condition.inc
--echo # The INSERT thread should now be gone.
SELECT state AS should_be_empty_set
FROM information_schema.processlist WHERE id = @other_connection_id;
--echo # The row inserted is there
SELECT * FROM t1 ORDER BY 1;
connection default;
disconnect other;
--echo # Make another connection to INSERT from.
connect (other,localhost,root,,);
connection other;
let $other_connection_id = `SELECT CONNECTION_ID()`;
connection default;
--disable_query_log
eval SET @other_connection_id = $other_connection_id;
--enable_query_log
--echo # Go ahead and send the INSERT; it should block.
connection other;
send INSERT INTO t1 (i) VALUES (4);
connection default;
let $wait_condition =
SELECT COUNT(*) > 0 AS should_be_true
FROM information_schema.processlist
WHERE id = @other_connection_id
AND state = "Waiting for semi-sync ACK from slave";
--source include/wait_condition.inc
--echo # The INSERT thread should now be waiting.
SELECT state AS should_be_waiting
FROM information_schema.processlist WHERE id = @other_connection_id;
--echo # The insert should NOT be visible to other threads
SELECT * FROM t1 ORDER BY 1;
--echo # Now restart server
--source include/restart_mysqld.inc
--echo # Done restarting server
--echo # Reset setting that were lost in restart
SET @@global.rpl_semi_sync_master_timeout = 60000;
SET @@global.rpl_semi_sync_master_wait_no_slave = 1;
--echo # But the row inserted is there
SELECT * FROM t1 ORDER BY 1;
disconnect other;
--echo #
--echo # Cleanup
--echo #
SET GLOBAL rpl_semi_sync_master_enabled = 0;
DROP TABLE t1;
eval SET @@global.rpl_semi_sync_master_timeout = $save_timeout;
eval SET @@global.rpl_semi_sync_master_wait_no_slave = $save_wait_no_slave;
eval SET @@global.rpl_semi_sync_master_wait_point = $save_wait_point;
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