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Some of the test cases reference to binlog position and these position numbers are written into result explicitly. It is difficult to maintain if log event format changes. There are a couple of cases explicit position number appears, we handle them in different ways A. 'CHANGE MASTER ...' with MASTER_LOG_POS or/and RELAY_LOG_POS options Use --replace_result to mask them. B. 'SHOW BINLOG EVENT ...' Replaced by show_binlog_events.inc or wait_for_binlog_event.inc. show_binlog_events.inc file's function is enhanced by given $binlog_file and $binlog_limit. C. 'SHOW SLAVE STATUS', 'show_slave_status.inc' and 'show_slave_status2.inc' For the test cases just care a few items in the result of 'SHOW SLAVE STATUS', only the items related to each test case are showed. 'show_slave_status.inc' is rebuild, only the given items in $status_items will be showed. 'check_slave_is_running.inc' and 'check_slave_no_error.inc' and 'check_slave_param.inc' are auxiliary files helping to show running status and error information easily.
51 lines
1.6 KiB
Plaintext
51 lines
1.6 KiB
Plaintext
# Verify that after CHANGE MASTER, replication (I/O thread and SQL
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# thread) restart from where SQL thread left, not from where
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# I/O thread left (some old bug fixed in 4.0.17)
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source include/master-slave.inc;
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connection master;
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# Make SQL slave thread advance a bit
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create table t1(n int);
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sync_slave_with_master;
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select * from t1;
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# Now stop it and make I/O slave thread be ahead
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stop slave sql_thread;
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connection master;
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insert into t1 values(1);
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insert into t1 values(2);
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save_master_pos;
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connection slave;
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--real_sleep 3 # wait for I/O thread to have read updates
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stop slave;
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source include/wait_for_slave_to_stop.inc;
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let $read_pos= query_get_value(SHOW SLAVE STATUS, Read_Master_Log_Pos, 1);
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let $exec_pos= query_get_value(SHOW SLAVE STATUS, Exec_Master_Log_Pos, 1);
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if (`SELECT $read_pos = $exec_pos`)
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{
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source include/show_rpl_debug_info.inc;
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echo 'Read_Master_Log_Pos: $read_pos' == 'Exec_Master_Log_Pos: $exec_pos';
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die Failed because Read_Master_Log_Pos is equal to Exec_Master_Log_Pos;
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}
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change master to master_user='root';
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let $read_pos= query_get_value(SHOW SLAVE STATUS, Read_Master_Log_Pos, 1);
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let $exec_pos= query_get_value(SHOW SLAVE STATUS, Exec_Master_Log_Pos, 1);
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if (`SELECT $read_pos <> $exec_pos`)
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{
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source include/show_rpl_debug_info.inc;
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echo 'Read_Master_Log_Pos: $read_pos' <> 'Exec_Master_Log_Pos: $exec_pos';
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die Failed because Read_Master_Log_Pos is not equal to Exec_Master_Log_Pos;
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}
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start slave;
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sync_with_master;
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select * from t1;
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connection master;
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drop table t1;
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save_master_pos;
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connection slave;
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sync_with_master;
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# End of 4.1 tests
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