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--source include/galera_cluster.inc --source include/have_innodb.inc # # A conflict between a streaming replication fragment and a local transaction # --connection node_1 CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB; SET SESSION wsrep_trx_fragment_size = 1; SET AUTOCOMMIT=OFF; START TRANSACTION; INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (2); INSERT INTO t1 VALUES (3); INSERT INTO t1 VALUES (4); INSERT INTO t1 VALUES (5); --connection node_2 # Wait until a streaming replication fragment has arrived SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; --let $wait_condition = SELECT COUNT(*) > 0 FROM t1; --source include/wait_condition.inc # Attempt a conflicting INSERT. This will block --send INSERT INTO t1 VALUES(1); # Observe the block from a separate connection --connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2 --let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE LIKE 'wsrep applier committed%'; --source include/wait_condition.inc --let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE LIKE 'update'; --source include/wait_condition.inc # Commit the remote transaction, causing the local transaction to return an error --connection node_1 COMMIT; --connection node_2 --error ER_DUP_ENTRY --reap DROP TABLE t1;