1SET DEFAULT_STORAGE_ENGINE='tokudb'; 2drop table if exists t; 3connect conn1,localhost,root; 4connection default; 5create table t (a int primary key, b int); 6insert into t values (1,0),(2,1),(3,0); 7begin; 8delete from t where b>0; 9connection conn1; 10set transaction isolation level serializable; 11select * from t where a!=2; 12connection default; 13commit; 14connection conn1; 15a b 161 0 173 0 18connection default; 19disconnect conn1; 20drop table t; 21