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###############################################################################
# Bug#19021091: RELAY_LOG_RECOVERY KO WHEN CHANGE MASTER WITHOUT FILE AND
# SQL_THREAD NOT STARTED
#
# Problem:
# ========
# If, on an empty database:
# - CHANGE MASTER TO without a MASTER_FILE and MASTER_POS is used,
# - the IO_THREAD is started WITHOUT starting the SQL_THREAD,
# - MySQL crashed,
# - MySQL is restarted with relay_log_recovery = 1.
#
# Crash recovery will not work as expected:
# - The IO_THREAD position will NOT be initialized to the SQL_THREAD position,
# - SQL_THREAD position will NOT be initialized to the new relay log.
#
# It looks like, when the SQL_THREAD does not have a Relay_Master_Log_File,
# relay_log_recovery does not work.
#
# Test:
# =====
# Use master and slave info repositories to be tables and set
# relay-log-recovery=1. Stop the slave, execute a CREATE DATABASE statement on
# the master. Execute a CHANGE MASTER statement on slave without a MASTER_FILE
# and MASTER_POS. Start IO thread alone. Crash the slave and restart it. When
# slave is restarted with bug, sql thread will not be able to start. It will fail
# with an error saying the database already exists. Post fix sql thread will
# read positions from the first rotate event that is received from the master.
# Sql thread will start without any error.
###############################################################################
--source include/not_group_replication_plugin.inc
--source include/master-slave.inc
--source include/force_restart.inc
--source include/rpl_connection_slave.inc
call mtr.add_suppression("Recovery from master pos .*");
--source include/rpl_connection_slave.inc
--source include/stop_slave.inc
--source include/rpl_connection_master.inc
CREATE DATABASE test_jfg;
--source include/rpl_connection_slave.inc
--replace_result $MASTER_MYPORT MASTER_PORT
--replace_column 2 ####
--eval CHANGE MASTER TO master_host='127.0.0.1',master_port=$MASTER_MYPORT,master_user='root'
START SLAVE IO_THREAD;
source include/wait_for_slave_io_to_start.inc;
--source include/rpl_connection_master.inc
source include/sync_slave_io_with_master.inc;
# Restart the slave server
--let $rpl_server_number= 2
--let $rpl_force_stop= 1
--let $rpl_server_parameters=--skip_slave_start=FALSE --master-info-repository=TABLE --relay-log-info-repository=TABLE --relay-log-recovery=1
--source include/rpl_restart_server.inc
# With bug sql thread will not be able to start it will fail with error 1007
# Slave: Can't create database 'test_jfg'; database exists Error_code: 1007
source include/wait_for_slave_sql_to_start.inc;
--source include/rpl_connection_master.inc
DROP DATABASE test_jfg;
--source include/rpl_end.inc