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63 lines
1.8 KiB
Text
63 lines
1.8 KiB
Text
source include/have_binlog_format_statement.inc;
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source include/master-slave.inc;
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call mtr.add_suppression("Unsafe statement written to the binary log");
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# Make sure that the start time of the first event is certainly different
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# from the next event
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--let $timestamp= `SELECT @@timestamp`
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--disable_query_log
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eval SET TIMESTAMP= $timestamp-100;
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--enable_query_log
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CREATE TABLE t1 (a int);
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# Make sure that the slave is done with the first event, and all checks
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# that we'll perform later will be really against the second event
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sync_slave_with_master;
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connection master;
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# Restore the timestamp now. It doesn't matter that it's not precise,
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# it just needs to be very different from the earlier event
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--disable_query_log
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eval SET TIMESTAMP= $timestamp;
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--enable_query_log
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send INSERT INTO t1 VALUES(SLEEP(2));
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connection slave;
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# When the slave starts executing the event, Seconds_Behind_Master
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# should start growing steadilly. The bugfix ensures that they are
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# calculated based on the start time of the current event, rather
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# than the start time of the previous event. To check it, we only need
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# the first non-zero value
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let $run = 20;
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while ($run)
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{
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dec $run;
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let $sbm=query_get_value(SHOW SLAVE STATUS, Seconds_Behind_Master, 1);
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# for debugging uncomment echo and remove the if()
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# echo Seconds_Behind_Master: $sbm;
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if ($sbm)
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{
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let $run = 0;
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}
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sleep 0.5;
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}
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# Normally the first non-zero value should be 1. However, due to race
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# conditions on slow servers, sometimes the check might miss the value 1,
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# and only catch a higher one. It does not matter, we just need to make
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# sure it didn't start with 100+, as it would have with bug MDEV-5114
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--disable_query_log
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eval SELECT $sbm > 0 and $sbm < 99 AS Seconds_Behind_Master_is_less_than_100;
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--enable_query_log
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connection master;
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reap;
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drop table t1;
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source include/rpl_end.inc;
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