github.com/matrixorigin/matrixone@v1.2.0/test/distributed/cases/set/set_transaction.result (about) 1 set transaction isolation level read committed; 2 set global transaction isolation level read committed , read write , isolation level read committed , read only; 3 set session transaction isolation level read committed , read write , isolation level read committed , read only; 4 set session transaction isolation level read committed , isolation level read uncommitted , isolation level repeatable read , isolation level serializable;