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MDEV-20601: Make REPLICA a synonym for SLAVE in SQL statements
Fix: === Add "REPLICA" as an alias for "SLAVE". All commands which use "SLAVE" keyword can be used with new alias "REPLICA". List of commands: On Master: ========= SHOW REPLICA HOSTS <--> SHOW SLAVE HOSTS Privilege "SLAVE" <--> "REPLICA" On Slave: ========= START SLAVE <--> START REPLICA START ALL SLAVES <--> START ALL REPLICAS START SLAVE UNTIL <--> START REPLICA UNTIL STOP SLAVE <--> STOP REPLICA STOP ALL SLAVES <--> STOP ALL REPLICAS RESET SLAVE <--> RESET REPLICA RESET SLAVE ALL <--> RESET REPLICA ALL SLAVE_POS <--> REPLICA_POS
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connect slave,127.0.0.1,root,,,$SERVER_MYPORT_3;
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connect master1,127.0.0.1,root,,,$SERVER_MYPORT_1;
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connect master2,127.0.0.1,root,,,$SERVER_MYPORT_2;
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connection slave;
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CHANGE MASTER 'slave1' TO MASTER_PORT=MYPORT_1, MASTER_HOST='127.0.0.1', MASTER_USER='root';
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CHANGE MASTER 'slave2' TO MASTER_PORT=MYPORT_2, MASTER_HOST='127.0.0.1', MASTER_USER='root';
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START REPLICA 'slave1';
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SET default_master_connection = 'slave1';
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include/wait_for_slave_to_start.inc
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SET default_master_connection = 'slave2';
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"Command: START ALL SLAVES --> START ALL REPLICAS"
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START ALL REPLICAS;
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Warnings:
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Note 1937 SLAVE 'slave2' started
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include/wait_for_slave_to_start.inc
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SET default_master_connection = '';
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connection master1;
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connection slave;
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connection master2;
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connection slave;
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"Command: SHOW ALL STAVES STATUS --> SHOW ALL REPLICAS STATUS"
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SHOW ALL REPLICAS STATUS;
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Connection_name slave1
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Slave_SQL_State Slave has read all relay log; waiting for the slave I/O thread to update it
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Slave_IO_State Waiting for master to send event
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Master_Host 127.0.0.1
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Master_User root
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Master_Port MYPORT_1
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Connect_Retry 60
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Master_Log_File master-bin.000001
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Read_Master_Log_Pos <read_master_log_pos>
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Relay_Log_File mysqld-relay-bin-slave1.000002
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Relay_Log_Pos <relay_log_pos>
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Relay_Master_Log_File master-bin.000001
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Slave_IO_Running Yes
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Slave_SQL_Running Yes
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Replicate_Do_DB
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Replicate_Ignore_DB
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Replicate_Do_Table
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Replicate_Ignore_Table
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Replicate_Wild_Do_Table
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Replicate_Wild_Ignore_Table
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Last_Errno 0
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Last_Error
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Skip_Counter 0
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Exec_Master_Log_Pos <read_master_log_pos>
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Relay_Log_Space <relay_log_space1>
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Until_Condition None
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Until_Log_File
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Until_Log_Pos 0
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Master_SSL_Allowed No
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Master_SSL_CA_File
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Master_SSL_CA_Path
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Master_SSL_Cert
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Master_SSL_Cipher
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Master_SSL_Key
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Seconds_Behind_Master 0
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Master_SSL_Verify_Server_Cert No
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Last_IO_Errno 0
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Last_IO_Error
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Last_SQL_Errno 0
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Last_SQL_Error
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Replicate_Ignore_Server_Ids
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Master_Server_Id 1
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Master_SSL_Crl
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Master_SSL_Crlpath
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Using_Gtid No
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Gtid_IO_Pos
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Replicate_Do_Domain_Ids
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Replicate_Ignore_Domain_Ids
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Parallel_Mode optimistic
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SQL_Delay 0
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SQL_Remaining_Delay NULL
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Slave_SQL_Running_State Slave has read all relay log; waiting for the slave I/O thread to update it
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Slave_DDL_Groups 0
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Slave_Non_Transactional_Groups 0
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Slave_Transactional_Groups 0
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Retried_transactions 0
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Max_relay_log_size 1073741824
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Executed_log_entries 7
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Slave_received_heartbeats 0
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Slave_heartbeat_period 60.000
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Gtid_Slave_Pos
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Connection_name slave2
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Slave_SQL_State Slave has read all relay log; waiting for the slave I/O thread to update it
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Slave_IO_State Waiting for master to send event
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Master_Host 127.0.0.1
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Master_User root
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Master_Port MYPORT_2
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Connect_Retry 60
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Master_Log_File master-bin.000001
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Read_Master_Log_Pos <read_master_log_pos>
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Relay_Log_File mysqld-relay-bin-slave2.000002
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Relay_Log_Pos <relay_log_pos>
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Relay_Master_Log_File master-bin.000001
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Slave_IO_Running Yes
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Slave_SQL_Running Yes
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Replicate_Do_DB
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Replicate_Ignore_DB
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Replicate_Do_Table
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Replicate_Ignore_Table
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Replicate_Wild_Do_Table
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Replicate_Wild_Ignore_Table
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Last_Errno 0
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Last_Error
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Skip_Counter 0
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Exec_Master_Log_Pos <read_master_log_pos>
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Relay_Log_Space <relay_log_space1>
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Until_Condition None
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Until_Log_File
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Until_Log_Pos 0
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Master_SSL_Allowed No
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Master_SSL_CA_File
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Master_SSL_CA_Path
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Master_SSL_Cert
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Master_SSL_Cipher
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Master_SSL_Key
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Seconds_Behind_Master 0
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Master_SSL_Verify_Server_Cert No
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Last_IO_Errno 0
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Last_IO_Error
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Last_SQL_Errno 0
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Last_SQL_Error
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Replicate_Ignore_Server_Ids
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Master_Server_Id 2
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Master_SSL_Crl
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Master_SSL_Crlpath
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Using_Gtid No
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Gtid_IO_Pos
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Replicate_Do_Domain_Ids
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Replicate_Ignore_Domain_Ids
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Parallel_Mode optimistic
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SQL_Delay 0
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SQL_Remaining_Delay NULL
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Slave_SQL_Running_State Slave has read all relay log; waiting for the slave I/O thread to update it
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Slave_DDL_Groups 0
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Slave_Non_Transactional_Groups 0
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Slave_Transactional_Groups 0
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Retried_transactions 0
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Max_relay_log_size 1073741824
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Executed_log_entries 7
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Slave_received_heartbeats 0
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Slave_heartbeat_period 60.000
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Gtid_Slave_Pos
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"Command: STOP ALL SLAVES --> STOP ALL REPLICAS"
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STOP ALL REPLICAS;
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Warnings:
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Note 1938 SLAVE 'slave2' stopped
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Note 1938 SLAVE 'slave1' stopped
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include/reset_master_slave.inc
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disconnect slave;
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connection master1;
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include/reset_master_slave.inc
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disconnect master1;
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connection master2;
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include/reset_master_slave.inc
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disconnect master2;
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