#### db_type: mongodb #### #### test_type: dda_full_write_skew_c1 #### #### isolation: snapshot #### current_result: The query result of the current SQL statement. Each row of table is separated by a space, and the fields in each row are separated by commas expected_result: The expected result is the expected query result for each SQL that conforms to the serializability theory T1 execute stmt: 't1.put(0, 0)' T1 execute stmt: 't1.put(1, 0)' T1 start transaction success T1 execute stmt: 't1.put(0, 1)' T2 start transaction success T2 execute stmt: 't1.put(0, 2)' [ERROR] in MongoConnector::ExecUpdatekV ->WriteConflict error: this operation conflicted with another operation. Please retry your operation or multi-document transaction.: generic server error Test Result: Rollback Reason: WriteConflict error: this operation conflicted with another operation. Please retry your operation or multi-document transaction.: generic server error