pyspark添加一列时间戳数据并改名
df.withColumn("create_time",current_timestamp()).withColumnRenamed("count","browse_count")参考
- pyspark.sql.DataFrame.withColumns
- pyspark.sql.DataFrame.withColumnRenamed
- pyspark.sql.functions.current_timestamp
df.withColumn("create_time",current_timestamp()).withColumnRenamed("count","browse_count")