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# ==== Purpose ====
# This test case verifies that receiver threads GTID sets do not rely on
# global SID anymore. Because of this, it is possible to have a receiver
# thread receiving GTIDs (and adding them to its retrieved GTID set) and
# having the server applying GTIDs from a server UUID that doesn't belong
# to the global SID map yet.
#
# The test uses debug instrumentation to pause the receiver thread while
# adding the received gtid to received_transaction_set and verifies that
# restoring backup from a server it never applied transactions is successful.
#
# ==== Related Bugs and Worklogs ====
#
# WL#8599: Reduce contention in IO and SQL threads
#
--source include/have_debug.inc
--source include/have_debug_sync.inc
# Test requires master-info-repository=TABLE, relay-log-info-repository=TABLE
--source include/have_slave_repository_type_table.inc
--let $rpl_skip_start_slave=1
--let $rpl_gtid_utils=1
--let $rpl_multi_source=1
--let $rpl_topology=1->2,3->2,4->2
--source include/rpl_init.inc
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--let $server1_uuid=`SELECT @@global.server_uuid`
# Create one table, populate it, then drop it
CREATE TABLE t1 (c1 INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES(1);
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
--let $rpl_channel_name='channel_1'
--source include/start_slave.inc
# Add debug instrumentation to hold the receiver thread
# while writing to the relay log.
--let $debug_point=updating_received_transaction_set
--source include/add_debug_point.inc
# Execute transaction on server1
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
INSERT INTO t1 VALUES(2);
# Wait until the receiver reached the debug point on server2
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
SET DEBUG_SYNC="now WAIT_FOR reached_updating_received_transaction_set";
# Remove the debug point on server2
--let $debug_point=updating_received_transaction_set
--source include/remove_debug_point.inc
--let $rpl_connection_name= server_4
--source include/rpl_connection.inc
# Create one table, populate it, then drop it
CREATE TABLE t4 (c1 INT) ENGINE=InnoDB;
INSERT INTO t4 VALUES(1);
DROP TABLE t4;
--let $server4_gtid_executed=`SELECT @@GLOBAL.gtid_executed`
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
START SLAVE FOR CHANNEL 'channel_4';
--echo Wait until channel_4 be synchronized with master
--let $wait_condition= SELECT RECEIVED_TRANSACTION_SET='$server4_gtid_executed' FROM performance_schema.replication_connection_status WHERE CHANNEL_NAME = 'channel_4'
--source include/wait_condition_or_abort.inc
# Execute transactions on server3 to take backup
--let $rpl_connection_name= server_3
--source include/rpl_connection.inc
# Execute transactions on server3/master2
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES(1);
INSERT INTO t2 VALUES(2);
# Get the binlog file for backup
--let $server3_datadir = `SELECT @@DATADIR`
--let $server3_binlog_file=query_get_value(SHOW MASTER STATUS, File, 1)
--let $server3_gtid = `SELECT @@GLOBAL.GTID_EXECUTED`
--let $server3_uuid = `SELECT @@global.server_uuid`
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
# Setting the arguments to connect to server2
--let $server2_uuid = `SELECT @@global.server_uuid`
--let $server2_connection_args= --user=root --host=127.0.0.1 --port=$SERVER_MYPORT_2
# Restoring the backup file on server3 using mysqlbinlog client and the connection arguments set above
--exec $MYSQL_BINLOG $server3_datadir/$server3_binlog_file | $MYSQL $server2_connection_args
--let $assert_text= Restoring backup is successful
--let $assert_cond= GTID_IS_EQUAL(GTID_INTERSECTION_WITH_UUID(@@GLOBAL.GTID_EXECUTED,"$server3_uuid"),"$server3_gtid")
--source include/assert.inc
# Let the receiver of server2 continue
SET DEBUG_SYNC="now SIGNAL continue_updating_received_transaction_set";
# Cleanup
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
DROP TABLE t1;
--let $rpl_channel_name= 'channel_1'
--let $sync_slave_connection= server_2
--source include/sync_slave_sql_with_master.inc
--let $rpl_channel_name= 'channel_3'
--source include/start_slave.inc
--let $rpl_connection_name= server_3
--source include/rpl_connection.inc
DROP TABLE t2;
--let $rpl_channel_name= 'channel_3'
--let $sync_slave_connection= server_2
--source include/sync_slave_sql_with_master.inc
--let $rpl_skip_sync=1
--source include/rpl_end.inc
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