Thanks Zheng, Didn't think of that. that worked! R. On Fri, Feb 12, 2010 at 1:19 PM, Zheng Shao <[email protected]> wrote:
> Hi Roberto, > > The reason that Text is passed in is because the table is defined as > TextFile format (the default). > > There are some examples (*.q files) of using SequenceFile format ( > CREATE TABLE xxx .... STORED AS SEQUENCEFILE). > SEQUENCEFILE will return BytesWritable by default. > > Please have a try. > > Zheng > > On Fri, Feb 12, 2010 at 1:05 PM, Roberto Congiu > <[email protected]> wrote: > > Hey guys, > > I wrote a SerDe to support lwes (http://lwes.org) using > BinarySortableSerDe > > as a model. > > The code is very similar, and I serialize an lwes event to a > BytesWritable, > > and deserialize from it. > > Serialization is fine...however, when I run an insert into... select, the > > Deserialize methods is passed a Text object instead of a BytesWritable > > object like expected. > > Hive generates 2 jobs, and it fails on the mapper in the second. > > getSerializedClass() is set correctly: > > public Class<? extends Writable> getSerializedClass() { > > LOG.debug("JournalSerDe::getSerializedClass()"); > > return BytesWritable.class; > > } > > And I don't see any relevant difference between BinarySortableSerDe and > my > > code. > > Does anybody have a hint on what may be happening ? > > Thanks, > > Roberto > > > > -- > Yours, > Zheng >
