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--echo *** MDEV-5788 Incorrect free of rgi->deferred_events in parallel replication *** --source include/have_innodb.inc --source include/master-slave.inc --connection server_2 --source include/stop_slave.inc CHANGE MASTER TO master_use_gtid=slave_pos; --source include/start_slave.inc --connection server_1 ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB; CREATE TABLE t3 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB; --save_master_pos --connection server_2 --sync_with_master SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads; # Use just two worker threads, so we are sure to get the rpl_group_info added # to the free list, which is what triggered the bug. --source include/stop_slave.inc SET GLOBAL replicate_ignore_table="test.t3"; SET GLOBAL slave_parallel_threads=2; --source include/start_slave.inc --connection server_1 INSERT INTO t3 VALUES (100, rand()); INSERT INTO t3 VALUES (101, rand()); --save_master_pos --connection server_2 --sync_with_master --connection server_1 INSERT INTO t3 VALUES (102, rand()); INSERT INTO t3 VALUES (103, rand()); INSERT INTO t3 VALUES (104, rand()); INSERT INTO t3 VALUES (105, rand()); --save_master_pos --connection server_2 --sync_with_master --source include/stop_slave.inc SET GLOBAL replicate_ignore_table=""; --source include/start_slave.inc --connection server_1 INSERT INTO t3 VALUES (106, rand()); INSERT INTO t3 VALUES (107, rand()); --save_master_pos --connection server_2 --sync_with_master --replace_column 2 # SELECT * FROM t3 WHERE a >= 100 ORDER BY a; # Clean up. --connection server_2 --source include/stop_slave.inc SET GLOBAL slave_parallel_threads=@old_parallel_threads; --source include/start_slave.inc --connection server_1 DROP TABLE t3; --source include/rpl_end.inc