1Parsed test spec with 2 sessions 2 3starting permutation: rwx1 c1 rwx2 c2 4step rwx1: UPDATE test SET t = 'apple' WHERE t = 'pear'; 5step c1: COMMIT; 6step rwx2: UPDATE test SET t = 'pear' WHERE t = 'apple' 7step c2: COMMIT; 8 9starting permutation: rwx1 rwx2 c1 c2 10step rwx1: UPDATE test SET t = 'apple' WHERE t = 'pear'; 11step rwx2: UPDATE test SET t = 'pear' WHERE t = 'apple' 12step c1: COMMIT; 13step c2: COMMIT; 14ERROR: could not serialize access due to read/write dependencies among transactions 15 16starting permutation: rwx1 rwx2 c2 c1 17step rwx1: UPDATE test SET t = 'apple' WHERE t = 'pear'; 18step rwx2: UPDATE test SET t = 'pear' WHERE t = 'apple' 19step c2: COMMIT; 20step c1: COMMIT; 21ERROR: could not serialize access due to read/write dependencies among transactions 22 23starting permutation: rwx2 rwx1 c1 c2 24step rwx2: UPDATE test SET t = 'pear' WHERE t = 'apple' 25step rwx1: UPDATE test SET t = 'apple' WHERE t = 'pear'; 26step c1: COMMIT; 27step c2: COMMIT; 28ERROR: could not serialize access due to read/write dependencies among transactions 29 30starting permutation: rwx2 rwx1 c2 c1 31step rwx2: UPDATE test SET t = 'pear' WHERE t = 'apple' 32step rwx1: UPDATE test SET t = 'apple' WHERE t = 'pear'; 33step c2: COMMIT; 34step c1: COMMIT; 35ERROR: could not serialize access due to read/write dependencies among transactions 36 37starting permutation: rwx2 c2 rwx1 c1 38step rwx2: UPDATE test SET t = 'pear' WHERE t = 'apple' 39step c2: COMMIT; 40step rwx1: UPDATE test SET t = 'apple' WHERE t = 'pear'; 41step c1: COMMIT; 42