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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.
115 lines
3.2 KiB
Plaintext
115 lines
3.2 KiB
Plaintext
# This test checks that in a dual-head setup
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# A->B->A, where A has --log-slave-updates (why would it?
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# assume that there is a C as slave of A),
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# then the Exec_master_log_pos of SHOW SLAVE STATUS does
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# not stay too low on B(BUG#13023 due to events ignored because
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# of their server id).
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# It also will test BUG#13861.
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source include/master-slave.inc;
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source include/have_innodb.inc;
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# set up "dual head"
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# Needed for debug info in wait_for_slave_sql_to_stop.
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let $master_connection= slave;
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connection slave;
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reset master;
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connection master;
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--replace_result $SLAVE_MYPORT SLAVE_PORT
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eval change master to master_host="127.0.0.1",master_port=$SLAVE_MYPORT,master_user="root";
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source include/start_slave.inc;
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# now we test it
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connection slave;
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create table t1 (n int);
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let $master_log_file= query_get_value(SHOW MASTER STATUS, File, 1);
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let $master_log_pos_1= query_get_value(SHOW MASTER STATUS, Position, 1);
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let $master_log_pos_1= `SELECT $master_log_pos_1 + 3`;
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sync_slave_with_master master;
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#
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# BUG#13861 - START SLAVE UNTIL may stop 1 evnt too late if
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# log-slave-updates and circul repl
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#
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source include/stop_slave.inc;
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create table t2 (n int); # create one ignored event
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sync_slave_with_master;
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show tables;
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create table t3 (n int) engine=innodb;
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let $master_log_pos_2= query_get_value(SHOW MASTER STATUS, Position, 1);
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let $master_log_pos_2= `SELECT $master_log_pos_2 + 5`;
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set @a=1;
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insert into t3 values(@a);
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let $master_log_pos_3= query_get_value(SHOW MASTER STATUS, Position, 1);
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let $master_log_pos_3= `SELECT $master_log_pos_3 + 5`;
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begin;
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insert into t3 values(2);
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insert into t3 values(3);
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commit;
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insert into t3 values(4);
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connection master;
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# bug is that START SLAVE UNTIL may stop too late, we test that by
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# asking it to stop before creation of t3.
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--replace_result $master_log_file MASTER_LOG_FILE $master_log_pos_1 MASTER_LOG_POS
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eval start slave until master_log_file="$master_log_file",master_log_pos=$master_log_pos_1;
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--source include/wait_for_slave_sql_to_stop.inc
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# then BUG#13861 causes t3 to show up below (because stopped too
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# late).
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show tables;
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# ensure that we do not break set @a=1; insert into t3 values(@a);
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--replace_result $master_log_file MASTER_LOG_FILE $master_log_pos_2 MASTER_LOG_POS
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eval start slave until master_log_file="$master_log_file",master_log_pos=$master_log_pos_2;
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--source include/wait_for_slave_sql_to_stop.inc
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select * from t3;
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# ensure that we do not break transaction
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--replace_result $master_log_file MASTER_LOG_FILE $master_log_pos_3 MASTER_LOG_POS
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eval start slave until master_log_file="$master_log_file",master_log_pos=$master_log_pos_3;
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--source include/wait_for_slave_sql_to_stop.inc
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select * from t3;
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source include/start_slave.inc;
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# BUG#13023 is that Exec_master_log_pos may stay too low "forever":
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connection master;
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create table t4 (n int); # create 3 ignored events
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create table t5 (n int);
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create table t6 (n int);
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sync_slave_with_master;
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sync_slave_with_master master;
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# then BUG#13023 caused hang below ("master" looks behind, while it's
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# not in terms of updates done).
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show tables;
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# cleanup
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source include/stop_slave.inc;
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reset slave;
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drop table t1,t2,t3,t4,t5,t6;
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sync_slave_with_master;
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# End of 4.1 tests
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