anchor.diff:      "table": "customers",
       "file": "commitlog-6-123456.log",
       "pos": 54,
  -    "ts_micro": 1562202942666382
  +    "ts_ms": 1562202942666382
     }
   }
   ----
  
positive.code:     "table": "customers",
      "file": "commitlog-6-123456.log",
      "pos": 102,
      "ts_micro": 1562202942666490
    }
  }
  ----
  
negative.code:             "type": "int"
            },
            {
              "name": "ts_ms",
              "type": "long",
              "logicalType": "timestamp-micros"
            }
  