Hi Michael thanks for the reply. I know that I can create DataFrame using JavaBean or Struct Type I want to know how can I create DataFrame from above code which is custom Hadoop format.
On Tue, Aug 11, 2015 at 12:04 AM, Michael Armbrust <mich...@databricks.com> wrote: > You can't create a DataFrame from an arbitrary object since we don't know > how to figure out the schema. You can either create a JavaBean > <https://spark.apache.org/docs/latest/sql-programming-guide.html#programmatically-specifying-the-schema> > or manually create a row + specify the schema > <https://spark.apache.org/docs/latest/sql-programming-guide.html#programmatically-specifying-the-schema> > . > > > > On Mon, Aug 10, 2015 at 11:22 AM, unk1102 <umesh.ka...@gmail.com> wrote: > >> Hi I have my own Hadoop custom InputFormat which I want to use in >> DataFrame. >> How do we do that? I know I can use sc.hadoopFile(..) but then how do I >> convert it into DataFrame >> >> JavaPairRDD<Void,MyRecordWritable> myFormatAsPairRdd = >> >> jsc.hadoopFile("hdfs://tmp/data/myformat.xyz",MyInputFormat.class,Void.class,MyRecordWritable.class); >> JavaRDD<MyRecordWritable> myformatRdd = myFormatAsPairRdd.values(); >> DataFrame myFormatAsDataframe = >> sqlContext.createDataFrame(myformatRdd,??); >> >> In above code what should I put in place of ?? I tried to put >> MyRecordWritable.class but it does not work as it is not schema it is >> Record >> Writable. Please guide. >> >> >> >> -- >> View this message in context: >> http://apache-spark-user-list.1001560.n3.nabble.com/How-to-use-custom-Hadoop-InputFormat-in-DataFrame-tp24198.html >> Sent from the Apache Spark User List mailing list archive at Nabble.com. >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@spark.apache.org >> For additional commands, e-mail: user-h...@spark.apache.org >> >> >
