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The sql_slave_skip_counter is important to be able to recover replication from certain errors. Often, an appropriate solution is to set sql_slave_skip_counter to skip over a problem event. But setting sql_slave_skip_counter produced an error in GTID mode, with a suggestion to instead set @@gtid_slave_pos to point past the problem event. This however is not always possible; for example, in case of an INCIDENT event, that event does not have any GTID to assign to @@gtid_slave_pos. With this patch, sql_slave_skip_counter now works in GTID mode the same was as in non-GTID mode. When set, that many initial events are skipped when the SQL thread starts, plus as many extra events are needed to completely skip any partially skipped event group. The GTID position is updated to point past the skipped event(s).
42 lines
974 B
Text
42 lines
974 B
Text
include/master-slave.inc
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[connection master]
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*** Test MDEV-6120, output of current GTID when a replication error is logged to the errorlog ***
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CREATE TABLE t1(a INT PRIMARY KEY);
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include/stop_slave.inc
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CHANGE MASTER TO master_use_gtid=slave_pos;
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INSERT INTO t1 VALUES (1);
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SET gtid_seq_no=100;
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INSERT INTO t1 VALUES (2);
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INSERT INTO t1 VALUES (3);
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INSERT INTO t1 VALUES (4);
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SET sql_log_bin=0;
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INSERT INTO t1 VALUES (2);
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SET sql_log_bin=1;
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START SLAVE;
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include/wait_for_slave_sql_error.inc [errno=1062]
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include/stop_slave.inc
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SET GLOBAL gtid_slave_pos= "0-1-100";
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include/start_slave.inc
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SELECT * FROM t1 ORDER BY a;
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a
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1
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2
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3
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4
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SET @dbug_save= @@debug_dbug;
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SET debug_dbug= '+d,incident_database_resync_on_replace';
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REPLACE INTO t1 VALUES (5);
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SET debug_dbug= @dbug_save;
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include/wait_for_slave_sql_error.inc [errno=1590]
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include/stop_slave.inc
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SET sql_slave_skip_counter=1;
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include/start_slave.inc
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SELECT * FROM t1 ORDER BY a;
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a
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1
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2
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3
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4
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5
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DROP TABLE t1;
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include/rpl_end.inc
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