# # Test the case where a statement is rolled back due to an error while # Streaming Replication is in effect. We construct an INSERT ... SELECT # statement that will fail with a duplicate key error towards the end of # the statement, after a portion has already been replicated via SR. # --source include/galera_cluster.inc --source include/have_innodb.inc --connection node_1 CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 CHAR) ENGINE=InnoDB; CREATE TABLE t2 (f1 INTEGER PRIMARY KEY, f2 CHAR) ENGINE=InnoDB; INSERT INTO t1 VALUES (1, 'a'), (2, 'a'), (3, 'a'); # This poison value is used to cause the INSERT ... SELECT below to fail INSERT INTO t2 VALUES (3, 'b'); SET SESSION wsrep_trx_fragment_size = 1; --disable_query_log --let $last_committed_before = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'wsrep_last_committed'` --enable_query_log --error ER_DUP_ENTRY INSERT INTO t2 SELECT * FROM t1; # # We should see three fragments replicated: Rows 1, 2 and rollback fragment. # --disable_query_log --let $last_committed_after = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'wsrep_last_committed'` --eval SELECT $last_committed_after - $last_committed_before AS last_committed_diff --enable_query_log --connection node_2 --let $wait_condition = SELECT COUNT(*) = 1 FROM t2; --source include/wait_condition.inc # Cluster continues to operate after the implicit ROLLBACK; --connection node_1 INSERT INTO t2 VALUES (1, 'c'); --connection node_2 INSERT INTO t2 VALUES (2, 'c'); --connection node_1 SELECT * FROM t2; --connection node_2 SELECT * FROM t2; --connection node_1 SET SESSION wsrep_trx_fragment_size = DEFAULT; DROP TABLE t1; DROP TABLE t2;