属性要附加到数据帧,请使用联盟方法。
%scala val firstDF = spark.range(3).toDF("myCol") val newRow = Seq(20) val appendded = firstDF.union(newRow.toDF()) display(appended)
%python firstDF = spark.range(3).toDF("myCol") newRow = spark.createDataFrame([[20]]) appended = firstDF.union(newRow) display(appended)