Thanks, So now I need to figure out how to implement an inputFormat, is someone has a good tutorial for doing that?
-----Original Message----- From: Edward Capriolo [mailto:edlinuxg...@gmail.com] Sent: Sunday, January 16, 2011 10:33 PM To: user@hive.apache.org Subject: Re: Sequence file- custom serdes - question 2011/1/16 Guy Doulberg <guy.doulb...@conduit.com>: > Hey all, > > I am new to this hive thing, but I have a very complex task to perform, I am > a little stuck. I hope someone here can help. > > My team has been storing data to a custom sequence file that has a custom key > and a custom value. We want to expose a hive interface to query this data. > I have been trying to write a custom SerDe that deserialize the sequence > file to the a hive table. > > As long as I needed values from the value part of the object everything was > all-right, but when I needed to extract a value from the key-part, I got > stuck, suddenly I realized that in the method of the deserialize(Writeable > o), o is instance of the value class, and I don't know how I can access the > key object. > > It could be I am missing something in the configuration in the java code or > declaration in the HIVE. > > > > Thanks, > Guy > > > > > Hive ignores then Key! (I know how crazy right) What I have done is used my InputFormat to combine the key and the value and make the combined field the value.
