步骤4:转换时间格式 在这一步,我们将使用to_unix_timestamp函数将时间数据转换为Unix时间戳。以下是转换的代码: frompyspark.sql.functionsimportto_unix_timestamp df=df.withColumn("unix_timestamp",to_unix_timestamp(df["datetime_column"],"yyyy-MM-dd HH:mm:ss")) 1. 2. 3. 这里,datetime_column是...
pyspark >>>hiveContext.sql("""select concat(concat(substr(cast(from_unixtime(cast(1509672916 as bigint),'yyyy-MM-dd HH:mm:ss.SS') as string),1,10),'T'),substr(cast(from_unixtime(cast(1509672916 as bigint),'yyyy-MM-dd HH:mm:ss.SS') as string),12))""").show(truncate=Fa...