Hi,I am writing a SerDe class to be able to query some proprietary format we have from hive. The format is basically a sequence of records that are maps coded in binary for which we have access libraries. The file is also gzipped.
For what I understand, I need to 1 - write a FileInputFormat class to read the file and extract the single records as Writables (but I am not clear how I tell hive to use this fileformat since all I can use is STORED AS SEQUENCEFILE/TEXTFILE. How do I plug my format in there? ) 2 - Write a SerDe (Since I just need to read it I need just the deserializer part) and an ObjectInspector to let hive understand how to find a column is there any info around for these or somebody who's done something similar ? Thanks in advance, Roberto
