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虽然在斯卡拉写一个数据帧到CSV LD日期字段是越来越转换为相同数量到csv - 1479740431158000无法写入日期字段的数据帧使用Scala的
我尝试以下各种选项,但没有工作
有没有办法以正确的格式获得用csv编写的字段? 我使用的Spark 2.0
scala> tgt.write.format("com.databricks.spark.csv").option("header", "false").option("dateFormat", "MM/dd/yyyy HH:mm:ss").save("/data/mi30/apps.csv")
scala> tgt.write.format("com.databricks.spark.csv").option("header", "false").option("dateFormat", "mm/dd/yyyy HH:mm:ss").save("/data/mi30/apps.csv")
scala> tgt.write.format("com.databricks.spark.csv").option("header", "false").option("dateFormat", "yyyy-mm-dd hh:mm:ss").save("/data/mi30/apps.csv")
scala> tgt.write.format("com.databricks.spark.csv").option("header", "true").option("dateFormat", "yyyy-mm-dd hh:mm:ss").save("/data/mi30/apps.csv")
scala> tgt.write.format("com.databricks.spark.csv").option("header", "true").option("dateFormat", "yyyy-MM-dd HH:mm:ssX").save("/data/mi30/apps.csv")
scala> tgt.write.format("com.databricks.spark.csv").option("header", "true").option("dateFormat", "yyyy-MM-dd HH:mm:ssS").save("/data/mi30/apps.csv")
scala> tgt.write.format("com.databricks.spark.csv").option("header", "true").option("dateFormat", "yyyy-MM-dd HH:mm:ss:S").save("/data/mi30/apps.csv")
scala> tgt.printSchema
root
|-- empno: integer (nullable = true)
|-- ename: string (nullable = true)
|-- message_id: string (nullable = true)
|-- deptno: integer (nullable = true)
|-- md5value: string (nullable = true)
|-- batchid: string (nullable = true)
|-- currind: string (nullable = true)
|-- start_date: timestamp (nullable = true)
|-- end_date: timestamp (nullable = true)
|-- update_date: timestamp (nullable = true)