try something like:
raw_data = load ....... as record;
...... com.udf.SomeUDF(record)
or you can describe raw_data to check the schema.
On Jan 21, 2013, at 10:50 PM, Stanley Xu <[email protected]> wrote:
> Dear all,
>
> We are using thrift and elephant-bird to store our logs. And I wanted to
> use some UDF to do complex processing on a single record, so I write some
> pig like the following:
>
> =========================================================
> raw_data = load '$INPUT' using
> com.twitter.elephantbird.pig.load.LzoThriftBlockPigLoader('$CLASSNAME')
>
> A = FOREACH raw_data GENERATE com.udf.SomeUDF(raw_data);
> B = LIMIT A 10;
> DUMP B;
> =========================================================
>
> But the pig will told me " ERROR 1000: Error during parsing. Scalars can be
> only used with projections"
>
> Is there anyway I could run a UDF on the raw_data here?
>
>
> Best wishes,
> Stanley Xu
