SchemaBuilder bldr = BatchSchema.newBuilder().setSelectionVectorMode(BatchSchema.SelectionVectorMode.NONE);
for (VectorWrapper<?> v : incoming) {
// add field to the output schema
bldr.addField(v.getField());
// allocate a new value vector
ValueVector outgoingVector = TypeHelper.getNewVector(v.getField(), context.getAllocator());
VectorAllocator.getAllocator(v.getValueVector(), outgoingVector).alloc(recordCapacity);
vectorContainer.add(outgoingVector);