test/org/apache/pig/builtin/avro/code/pig/projection_test_with_schema.pig

in = LOAD '$INFILE' USING AvroStorage('','$AVROSTORAGE_IN_2');
out = FOREACH in GENERATE $0, $1, $3;
RMF $OUTFILE;
STORE out INTO '$OUTFILE' USING AvroStorage('$AVROSTORAGE_OUT_1','$AVROSTORAGE_OUT_2');