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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.
70 lines
1.3 KiB
Plaintext
70 lines
1.3 KiB
Plaintext
#
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# Testing replication delay reporting (bug#29309)
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# there is an unavoidable non-determinism in the test
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# please compare the results with the comments
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#
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source include/master-slave.inc;
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connection master;
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#connection slave;
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sync_slave_with_master;
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--echo # Second_behind reports 0
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let $status_items= Seconds_Behind_Master;
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source include/show_slave_status.inc;
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sleep 3;
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### bug emulation
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connection master;
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drop table if exists t1;
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create table t1 (f1 int);
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sleep 3;
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#connection slave;
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sync_slave_with_master;
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flush logs /* contaminate rli->last_master_timestamp */;
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connection slave;
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lock table t1 write;
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connection master;
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insert into t1 values (1);
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sleep 3;
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connection slave;
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--echo # bug emulated: reports slave threads starting time about 3*3 not 3 secs
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source include/show_slave_status.inc;
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unlock tables;
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connection master;
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sync_slave_with_master;
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### bugfix
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connection slave;
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flush logs /* this time rli->last_master_timestamp is not affected */;
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lock table t1 write;
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connection master;
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insert into t1 values (2);
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sleep 3;
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connection slave;
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--echo # reports the correct diff with master query time about 3+3 secs
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source include/show_slave_status.inc;
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unlock tables;
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connection master;
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drop table t1;
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#connection slave;
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sync_slave_with_master;
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# End of tests
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