@Override
public Object makeNullableType(Object type) throws AlgebricksException {
throw new NotImplementedException("NullableTypeComputer is not implented");
}
});
builder.setNullWriterFactory(new VXQueryNullWriterFactory());
if (availableProcessors < 1) {
builder.setClusterLocations(VXQueryMetadataProvider.getClusterLocations(nodeList));
} else {
builder.setClusterLocations(VXQueryMetadataProvider.getClusterLocations(nodeList, availableProcessors));
}