drop table if exists t1, t2; CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=innodb; CREATE TABLE t2 (b INT PRIMARY KEY) ENGINE=tokudb; BEGIN; SELECT @@log_bin; @@log_bin 0 INSERT INTO t1 VALUES (1); INSERT INTO t2 VALUES (2); SET SESSION debug="d,crash_commit_before"; COMMIT; ERROR HY000: Lost connection to MySQL server during query select * from t1; a select * from t2; b drop table t1, t2; CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=innodb; CREATE TABLE t2 (b INT PRIMARY KEY) ENGINE=tokudb; BEGIN; SELECT @@log_bin; @@log_bin 0 INSERT INTO t1 VALUES (1); INSERT INTO t2 VALUES (2); SET SESSION debug="d,crash_commit_after"; COMMIT; ERROR HY000: Lost connection to MySQL server during query select * from t1; a 1 select * from t2; b 2 drop table t1, t2;