int index = 0;
for (int i = 0; i < byteBufs.length; i++) {
byteBufs[i].readBytes(byteBuf, index, byteBufs[i].writerIndex());
index += byteBufs[i].writerIndex();
}
byteBuf.writerIndex(bytes);
batchLoader.load(writableBatch.getDef(), byteBuf);
boolean firstColumn = true;
int recordCount = 0;
for (VectorWrapper<?> v : batchLoader) {