|Country| DOB| app_name| contact| email| friend| name| phone| UID|
+-------+----------+-------------+--------------------+--------------------+--------------------+--------------------+--------------------+--------------------+
| India|25/03/1995| [IMT]|[[India,123,Wrapp...|[romaahire11@gmai...|[Kashmira G, Bhar...|[Roma Ahire, Roma A]|[9028512546, 7276...|059fe797-c296-46d...|
| India|22/05/1978|[IMT, ozmott]|[[India,595,Wrapp...|[azeem@yahoo.com,...|[Prjakta W, Praja...|[Azeem, Azeem Seikh]| [9785213564]|454bc185-5de0-427...|
| India|22/05/1978|[IMT, ozmott]|[[USA,789,Wrapped...|[praj@yahoo.com, ...|[Gouri Abhyankar,...|[Prajakta W, Praj...| [9785213564]|91897109-9fd2-4f3...|
+-------+----------+-------------+--------------------+--------------------+--------------------+--------------------+--------------------+-----------
上面是我的registerTempTable
答案 0 :(得分：0)
您可以使用monotonically increasing id为每行提供唯一ID。
import org.apache.spark.sql.functions._
df.withColumn("Keys",monotonicallyIncreasingId)